S0600-Aa-Pro-060 0910-Lp-412-0500 Revision 1

S0600-AA-PRO-060 0910-LP-412-0500 REVISION 1

UNDERWATER SHIP HUSBANDRY MANUAL

CHAPTER 6 SUBMARINE SONAR SYSTEMS

This manual supersedes S600-AA-PRO-060 dated 15 April 1991.

DISTRIBUTION STATEMENT C: Distribution authorized to U.S. Government agencies and their contractors; administrative/operational use, 1 June 1996. Other requests for this document shall be referred to the Naval Sea Systems Command (SEA 09T).

DESTRUCTION NOTICE: Destroy by any method that will prevent disclosure of contents or reconstruction of the document.

Published by direction of Commander, Naval Sea Systems Command 1 JUNE 1996 Change 1 dated 15 AUGUST 1999 S0600-AA-PRO-060

LIST OF EFFECTIVE PAGES

Date of original pages is: 1 June 1996 Date of Change 1 is: 15 August 1999 Page No. * Change No. Page No. * Change No.

Title and A ...... 1 6-32B blank ...... 1 Certification Sheet ...... 1 6-33 through 6-58...... 0 blank ...... 0 6-59 through 6-59A ...... 1 Flyleaf-1 (Flyleaf-2 blank) ...... 1 i through iii...... 0 6-59B blank ...... 1 iv blank ...... 0 6-60 through 6-68...... 0 v...... 1 6-69 through 6-71...... 1 vi through vii ...... 0 6-72 through 6-103...... 0 viii through x ...... 6-104. . . 1 blank...... 0 6-1 through 6-20 ...... 0 6-105 through 6-121...... 0 6-21 through 6-21A ...... 1 6-21B blank ...... 1 6-122 blank...... 0 6-22 through 6-28 ...... 0 A-1 through A-5 ...... 0 6-29 through 6-32A ...... 1 A-6 blank ...... 0

* 0 in this column indicates an original page.

A Change 1

S0600-AA-PRO-060

RECORD OF CHANGES ACN/FORMAL

DATE *CHANGE ENTERED OF TITLE AND/OR BRIEF DESCRIPTION** ACN NO. BY CHANGE

1 8-15-99 Chain Hoist Caution

*When a formal change supersedes an ACN, draw a line through the ACN number **Only message or letter reference need be cited for ACNs

Flyleaf-1/(Flyleaf-2 blank) S0600-AA-PRO-060

TABLE OF CONTENTS

Paragraph Page

SECTION 1 SUBMARINE SONAR SYSTEMS 6-1.1 PURPOSE ...... 6-1 6-1.3 SCOPE...... 6-1 6-1.5 APPLICABILITY ...... 6-1 SECTION 2 FAULT ISOLATION AND REPLACEMENT PROCEDURES FOR THE AN/BQN-3J (TR143) TRANSDUCER/TRANSDUCER CABLE ASSEMBLY IN TRIDENT I C4 SUBMARINES 6-2.1 GENERAL ...... 6-2 6-2.4 RECORDING RESULTS OF TESTS AND INSPECTIONS ...... 6-2 6-2.7 REFERENCE DOCUMENTS ...... 6-2 6-2.9 DRAWINGS ...... 6-2 6-2.10 TECHNICAL MANUALS AND HANDBOOKS ...... 6-4 6-2.11 SAFETY REFERENCES ...... 6-4 6-2.12 EQUIPMENT AND MATERIAL REQUIREMENTS...... 6-4 6-2.13 SUPPORT AND TEST EQUIPMENT...... 6-4 6-2.14 MATERIALS ...... 6-5 6-2.15 PRELIMINARY PROCEDURES...... 6-5 6-2.20 PROCEDURAL STEP 1: FAULT ISOLATION ...... 6-5 6-2.30 PROCEDURAL STEP 2: FURTHER FAULT ISOLATION ...... 6-11 6-2.71 PROCEDURAL STEP 3: REPLACEMENT OF THE TRANSDUCER CABLE ASSEMBLY IN A DRY TRANSDUCER CAVITY...... 6-18 6-2.109 PROCEDURAL STEP 4: REMOVAL OF A TRANSDUCER IN A DRY TRANSDUCERCAVITY...... 6-21 6-2.124 PROCEDURAL STEP 5: REPLACEMENT OF A TRANSDUCER AND TRANSDUCER CABLE ASSEMBLY IN A DRY TRANSDUCER CAVITY. . . . 6-27 6-2.170 PROCEDURAL STEP 6: REMOVAL AND REPLACEMENT OF A TRANSDUCER AND TRANSDUCER CABLE ASSEMBLY FROM A FLOODED TRANSDUCER CAVITY ...... 6-32 6-2.240 PROCEDURAL STEP 7: CONFIGURATION RESTORATION ...... 6-37 SECTION 3 FAULT ISOLATION AND REPLACEMENT PROCEDURES FOR THE AN/BQN-25 (TR143) TRANSDUCER/TRANSDUCER CABLE ASSEMBLY IN TRIDENT II D5 SUBMARINES 6-3.1 GENERAL ...... 6-47 6-3.4 RECORDING RESULTS OF TESTS AND INSPECTIONS ...... 6-47 6-3.7 REFERENCE DOCUMENTS ...... 6-47 6-3.9 DRAWINGS ...... 6-47 6-3.10 TECHNICAL MANUALS AND HANDBOOKS ...... 6-47

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TABLE OF CONTENTS

Paragraph Page

6-3.11 SAFETY REFERENCES ...... 6-49 6-3.12 EQUIPMENT AND MATERIAL REQUIREMENTS ...... 6-49 6-3.13 SUPPORT AND TEST EQUIPMENT...... 6-49 6-3.14 MATERIALS...... 6-50 6-3.15 PRELIMINARY PROCEDURES ...... 6-50 6-3.19 PROCEDURAL STEP 1: FAULT ISOLATION ...... 6-50 6-3.29 PROCEDURAL STEP 2: FURTHER FAULT ISOLATION ...... 6-55 6-3.41 PROCEDURAL STEP 3: REMOVAL AND RELACEMENT OF A TRANSDUCER AND TRANSDUCER CABLE ASSEMBLY ...... 6-59 6-3.111 PROCEDURAL STEP 4: CONFIGURATION RESTORATION ...... 6-71 SECTION 4 FAULT ISOLATION AND REPLACEMENT PROCEDURES FOR THE AB/BQN-25 (TR143) HYDROPHONE/HYDROPHONE CABLE ASSEMBLY AND MOUNTING INSERT IN TRIDENT II D5 SUBMARINES 6-4.1 GENERAL ...... 6-80 6-4.4 RECORDING RESULTS OF TESTS AND INSPECTIONS ...... 6-80 6-4.7 REFERENCE DOCUMENTS...... 6-80 6-4.9 DRAWINGS ...... 6-80 6-4.10 TECHNICAL MANUALS AND HANDBOOKS ...... 6-80 6-4.11 SAFETY REFERENCES ...... 6-82 6-4.12 EQUIPMENT AND MATERIAL REQUIREMENTS ...... 6-82 6-4.13 SUPPORT AND TEST EQUIPMENT...... 6-82 6-4.14 MATERIALS...... 6-83 6-4.15 PRELIMINARY PROCEDURES ...... 6-83 6-4.17 PROCEDURAL STEP 1: FAULT ISOLATION ...... 6-83 6-4.24 PROCEDURAL STEP 2: HYDROPHONE REMOVAL ...... 6-83 6-4.44 PROCEDURAL STEP 3 HYDROPHONE MOUNTING INSERT INSPECTION AND REPLACEMENT ...... 6-96 6-4.48 PROCEDURAL STEP 4 HYDROPHONE/HYDROPHONE CABLE FAILURE ISOLATION ...... 6-96 6-4.54 PROCEDURAL STEP 5 HYDROPHONE AND CABLE ASSEMBLY REINSTALLATION...... 6-96 SECTION 5 FAULT ISOLATION AND REPLACEMENT PROCEDURES FOR THE AN/BQN-25 THERMISTOR IN TRIDENT II D5 SUBMARINES 6-5.1 GENERAL ...... 6-106 6-5.4 RECORDING RESULTS OF TESTS AND INSPECTIONS ...... 6-106

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TABLE OF CONTENTS

Paragraph Page

6-5.7 REFERENCE DOCUMENTS ...... 6-106 6-5.9 DRAWINGS ...... 6-106 6-5.10 TECHNICAL MANUALS AND HANDBOOKS ...... 6-106 6-5.11 SAFETY REFERENCES ...... 6-107 6-5.12 EQUIPMENT AND MATERIAL REQUIREMENTS...... 6-107 6-5.13 SUPPORT AND TEST EQUIPMENT...... 6-107 6-5.14 MATERIALS ...... 6-107 6-5.15 PRELIMINARY PROCEDURES...... 6-107 6-5.17 PROCEDURAL STEP 1: FAULT ISOLATION ...... 6-110 6-5.25 PROCEDURAL STEP 2: THERMISTOR AND CABLE ASSEMBLY REMOVAL ...... 6-111 6-5.39 PROCEDURAL STEP 3: THERMISTOR AND CABLE ASSEMBLY REPLACEMENT ...... 6-112 APPENDIX A NSS: HYDROPHONE INSERT REMOVAL TOOL

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THIS PAGE LEFT BLANK INTENTIONALLY

iv S0600-AA-PRO-060

LIST OF ILLUSTRATIONS

Figure Page

6-1 Flow Diagram of BQN-3 Transducer Fault Isolation and Replacement ...... 6-3 6-2 AN/BQN-3J Transducer/Transducer Cable Assembly Components ...... 6-10 6-3 Connection of Transducer Cable Assembly Hull Connector to Hull Penetrator ...... 6-12 6-4 Transducer Hull Window Assembly ...... 6-14 6-5 Connection of Transducer Cable Assembly Transducer Connector to Transducer Receptacle ...... 6-16 6-6 Transducer Lifting Device Installed ...... 6-22 6-7 Chain Hoist Rigged ...... 6-23 6-8 Transducer Retaining Bolts ...... 6-24 6-9 Diver Operating Chain Hoist ...... 6-25 6-10 Yard and Stay Rig ...... 6-26 6-10A Typical Running Block Flip (one or two part chain reeve) ...... 6-22 6-11 Transducer Protective Face Plate ...... 6-28 6-12 Cable Coiled on Handling Fixture ...... 6-30 6-13 Transducer Cable Assembly Transducer Receptacle Test Point Identification ...... 6-41 6-14 Flow Diagram of TR143 Transducer Fault Isolation and Replacement ...... 6-48 6-15 BQN-25/TR143 Transducer Cable Assembly Components ...... 6-51 6-16 Connection of TR143 Transducer Cable Assembly Hull Connector to Hull Penetrator ...... 6-56 6-17 Transducer Hull Acoustic Window ...... 6-58 6-18 Transducer Lifting Device Installed ...... 6-60 6-19 Chain Hoist Rigged ...... 6-61 6-20 TR-143 Transducer Retaining Bolts ...... 6-62 6-20A Typical Running Block Flip (one or two part chain reeve) ...... 6-60 6-21 Diver Operating Chain Hoist ...... 6-64 6-22 Yard and Stay Rig ...... 6-65 6-23 TR143 Transducer Protective Face Plate Installation ...... 6-66 6-24 Connection of Transducer Cable Assembly Transducer Connector to Transducer Receptacle ...... 6-67 6-25 Cable Coiled on Transducer Lifting Device ...... 6-72 6-26 Transducer Cable Assembly Connector Test Point Identification ...... 6-75 6-27 NSS Acoustic Windows ...... 6-81 6-28 Sonar External Hull Fitting (EHF) Arrangement ...... 6-88 6-29 NSS Conduit Locations Sonar Penetrator Cavity...... 6-89 6-30 NSS Interconnection Block Diagram ...... 6-90

Change 1 v S0600-AA-PRO-060

LIST OF ILLUSTRATIONS

Figure Page

6-31 NSS Acoustic Window Mounting Detail ...... 6-92 6-32 NSS Window Lanyards ...... 6-93 6-33 Hydrophone Arrangement (Looking Up) ...... 6-94 6-34 Hydrophone/Cable Test Point Identification...... 6-102 6-39 Thermistor/Cable Test Point Identification ...... 6-120 6-40 O-Ring Removal Tool ...... 6-122

LIST OF TABLES

Table Page

6-1 List of Materials ...... 6-6 6-2 List of Materials ...... 6-52 6-3 List of Materials ...... 6-84 6-4 List of Materials ...... 6-108

vi S0600-AA-PRO-060

SAFETY SUMMARY

GENERAL SAFETY PRECAUTIONS. The cannot be grounded, avoid holding them to following general safety precautions supple- prevent injury. ment the specific warnings and cautions throughout this chapter. These general pre- Equipment in Motion. cautions are related to isolating faults in submarine sonar systems, and removing and Remain clear of equipment in motion. A safety replacing them, if necessary. They are precau- watch will be posted if equipment requires tions that must be understood and applied adjustment while in motion. The safety watch before and during work on submarine sonar shall have a full view of operations and imme- systems. In addition to the following precau- diate access to controls which are capable of tions, personnel must be familiar with and stopping equipment. If at any time the sonar observe safety precautions set forth in the fol- system appears to be moving out of control, lowing publications: stop equipment immediately.

a. Navy Safety Precautions for Forces Limit Switches and Interlocks. Afloat-OPNAV 5100 series Limit switches and interlocks are provided to b. Naval Ships’ Technical Manual protect personnel and equipment. They (NSTM) should not be overridden or modified except by an authorized person. Do not depend c. Technical/operating manuals for equip- solely upon limit switches for protection. Dis- ment connect power at the power distribution source before adjusting limit switches if possible. d. U.S. Navy Diving Manual, Volume 1, NAVSEA 0944-LP-001-9010 First Aid.

Do Not Repair or Adjust Alone. Attend to all injuries, however slight, by obtain- ing first aid or medical attention immediately. Do not repair or adjust energized equipment alone. The presence of a qualified individual Resuscitation. capable of rendering aid is required. Always protect against grounding hazards and make Personnel working with or near high voltage adjustments with one hand free and clear of shall be familiar with approved resuscitation equipment. Be aware that even after equip- methods. Begin resuscitation immediately if ment has been deenergized, dangerous elec- someone is injured and stops breathing. A trical hazards can exist due to capacitors delay could cost the victim's life. Resuscitation retaining electrical charges. Circuits must be procedures shall be posted where electrical grounded and capacitors discharged. hazards exist.

Test Equipment. Minimizing Relative Motion.

Make certain electrical test equipment is in Relative motion is the movement of two or good condition and personnel are familiar with more objects in relation to each other. This its safe operation. Hand-held test equipment poses unique hazards to divers. A common must be grounded, if possible, to prevent example is a nest of ships swaying and bounc- shock injury. Since some types of equipment ing against each other due to wind and wave

vii S0600-AA-PRO-060 action. This motion would easily crush a diver Do not attempt to rig the trans- caught between the two ships. To reduce the ducer using existing eyebolts. hazards of relative motion and to simplify the Eyebolts supplied with the task, suspend the work platform and rigging transducer may fail during han- from fittings on the ship. dling. Use only item 14, Table 6-2 (page 6-69). WARNINGS AND CAUTIONS. Specific warnings and cautions appearing in this chapter are summarized below for emphasis and review. All page numbers where each warning or caution appears are given in parentheses CAUTIONS following the warning or caution. Damage to the O-ring or gasket WARNINGS mating surfaces may cause improper seating and permit leakage. Use extreme care to Entry into the transducer cavity prevent damage to these sur- is not possible with SCUBA faces while installing the O-ring tanks, surface supplied air and gasket (pages 6-11, 6-18, must be utilized (page 6-15). and 6-55).

Do not attempt to rig the trans- A nylon lanyard is attached to a ducer using existing eye-bolts. padeye inside the cavity and to Eyebolts supplied with trans- a padeye on the transducer hull ducer may fail during handling. window to prevent loss of the Use only item 16, table 6-1 window during removal. Ensure (pages 6-21, 6-28, 6-32, 6-34, that the lanyard is in place and and 6-68). securely attached before releasing the window (pages Uncontrolled movement of the 6-13, and 6-57). 600-pound transducer may result in serious personal injury Acute bend radii in the cable or property damage. Do not can cause excessive stress loosen the transducer retaining and possible damage to the bolts more than four turns until cable insulation. Maintain a it can be verified that the trans- minimum bend radius of 4 ducer is totally supported by inches while pulling the cable the chain hoist (pages 6-21A, (pages 6-15, 6-17, 6-18, 6-19, 6-32, and 6-59A). 6-31, 6-36, 6-70, and 6-95). If water contacts the electrical Uncontrolled movement of the system components, the sys- 600-pound transducer can tem can short out. Ensure that result in serious personal injury connector do not get wet or property damage. Ensure (pages 6-15, and 6-18). that divers and divers' umbilicals are clear of the transducer Damage to the O-ring seating cavity and the transducer cavity surfaces may cause improper edges while handling the trans- seating and permit leakage. ducer (pages 6-21A, 6-29, Use extreme care to prevent 6-32, 6-35, 6-59A, and 6-69). damage to these surfaces

viii Change 1 S0600-AA-PRO-060 while installing the O-rings and the running block. The (pages 6-15, 6-17, 6-33, and short throw allows for much 6-68). easier visual detection of twist in the individual chain reeves. Inadvertent flooding of the Confirm that none of the chain unattended cavity can cause lengths running from the work- serious damage if the trans- ing chain sprocket to the run- ducer connector is unprotected. ning chain sprocket (chain Ensure that the O-rings and reeves) have any twist caused transducer connector cap are by the running block being properly installed on the trans- flipped over and through the ducer connector before leaving loop of the chain. If ANY chain the cavity (page 6-17). twist is detected, flip the run- Chain twist in the working chain ning block back through the loops of manual chain hoists chain loop until the twist is and chain falls will cause chain removed. If ANY twist can not failure. Chain twist in the work- be removed by flipping the run- ing chain loop occurs when the ning block, the hoist chain chain has an improper reeve MUST be removed from the through the chain sprockets hoist body and re-reeve exer- OR (more often) the running cising care not to twist the block has flipped up and chain during installation (pages through any of the chain loops 6-21, 6-29, 6-32, 6-59, and 6- (see figures 6-10A and 6-20A) 69). All chain hoists and chain falls issued with NAVSEA SUP- SALV Underwater Ship Hus- bandry equipment kits have been checked for chain twist and the chain hoist/fall has been loosely two-blocked so that the running block can not flip over into the working chain loops during shipment. OPERATORS must ensure that the running block is not flipped over into the chain loops Fig. 6-10A & 6-20A Typical Running Block Flip creating chain twist while (one or two part chain reeve) deploying and rigging the chain hoists/falls. Crushing or pinching the trans- To check for chain twist in the ducer cable will damage the chain loop: cable. Ensure that the cable coiled on top of the transducer Hang the hoist from the top does not become crushed or hook in a safe, accessible loca- pinched between the trans- tion. Tighten the hoist until less ducer and the transducer foun- then one foot of separation dation (pages 6-29, 6-35, and exists between the hoist body 6-69).

Change 1 ix S0600-AA-PRO-060

Use of 1/2-inch-13 UNC x 2 mounting screws (page 6-94). 1/2-inch capscrews to pull the Hydrophone weighs 70 lbs (in window into place will result in air) (page 6-94). damage to the plastic ring in the window assembly. Use the During all torquing operations, 1/2-inch-13 UNC x 6-inch studs ensure hex socket is fully (item 15, table 6-1) to prevent seated in screw socket to avoid damage (page 6-37). rounding of socket head (6-96). Use of 5/8-inch-11 UNC x 2 If the thermistor/cable assem- 1/4-inch capscrews to pull the bly requires replacement, it is window into place will result in necessary to disconnect both damage to the window. Use the thermistor cables and remove 5/8-inch-11 UNC x 6-inch studs them together to preclude dam- (item 13 table 6-2) to prevent age to the cables (page 6-110). damage (page 6-71). Use of 5/8-inch 11 UNC x 2 Ensure inboard cable is discon- 1/4-inch capscrews to pull the nected from preamp prior to window into place will result in accomplishing paragraph damage to the window. Use 6-4.23 (page 6-82). the 5/2-inch 13 UNC x 6-inch studs (item 7, table 6-4) to pre- To avoid rounding of screw vent damage (page 6-112). socket head, ensure that hex socket is fully seated in screw head (page 6-90). Do not use hydraulic impact wrench to remove window mounting screws (page 6-90). Prior to window removal verify lanyards are in good condition (page 6-90). When divers are directly under- neath or in the NSS seachest, air bubbles force water up vents and conduits in sonar penetrator cavity. Ensure hull penetrators remain covered at all times to preclude moisture from entering hull penetrator (page 6-90). Do not allow Termalene grease or any foreign substance to contact hydrophone and/or transducer faces (page 6-94). Ensure wrench is fully seated in screw to preclude rounding of the socket on the hydrophone

x Change 1 S0600-AA-PRO-060

CHAPTER 6 SUBMARINE SONAR SYSTEMS

SECTION 1 INTRODUCTION 6-1.1 PURPOSE cedures contained in this chapter are not intended to duplicate or supersede information 6-1.2 The purpose of this chapter is to pro- contained in Submarine Sonar System techni- vide divers and other repair activity personnel cal manuals, the U.S. Navy Diving Manual or with technical information and NAVSEA- the Naval Ships’ Technical Manual. approved procedures for waterborne inspection, fault isolation, repair and replacement of 6-1.5 APPLICABILITY Submarine Sonar Systems. Implementation of and adherence to these procedures will 6-1.6 This chapter combines information from ensure that the most stringent quality control various sources to provide repair activity per- requirements are satisfied before, during and sonnel with a single document that can be after underwater work on Submarine Sonar used to plan and conduct underwater ship Systems. husbandry on Submarine Sonar Systems. The procedures described are those procedures 6-1.3 SCOPE necessary for divers, working in conjunction with qualified technical repair personnel, to 6-1.4 This chapter covers only those tasks safely and efficiently conduct the necessary that can be performed on submarines while inspections, tests and repairs to return a Sub- they are waterborne. The information and pro- marine Sonar System to operating condition.

6-1 S0600-AA-PRO-060

SECTION 2 FAULT ISOLATION AND REPLACEMENT PROCEDURES FOR THE AN/BQN-3J (TR143) TRANSDUCER/TRANSDUCER CABLE ASSEMBLY IN TRIDENT I C4 SUBMARINES

6-2.1 GENERAL 6-2.6 Each test called out in the procedures is referenced to a block in Data Report Form 1. Each block in the form is identified by the 6-2.2 This section provides detailed proce- applicable procedural step number and a capi- dures that direct divers and other repair per- tal letter within each procedural step. Blocks in sonnel through the proper sequence of events the preliminary procedures portion of Data to identify and isolate electrical faults in the Report Form 1 are identified by letters only. AN/BQN-3J (TR-143) transducer/transducer The paragraph number which requires the test cable assembly (TCA) and to repair or replace is shown in parentheses after the block num- the assembly as necessary to restore the sys- ber. Where applicable, acceptable test values tem to operating condition. Figure 6-1 is a flow are given in the test-result block. The entire diagram of the procedures. Data Report Form 1, pages 6-38 through 6-46, may be reproduced and maintained at the 6-2.3 The successful completion of these pro- work site as a part of the quality control pack- cedures requires close coordination between age required by applicable regulations. these activities: lead work center (LWC), rig- gers (RIG), divers (DV) and ship’s force 6-2.7 REFERENCE DOCUMENTS (SHIP) personnel. The activity responsible for performing each step in these procedures is 6-2.8 The drawings, technical manuals, hand- identified in parentheses at the beginning of books and instructions listed in the following the step. paragraphs support the information contained in this chapter. Each document is unique in NOTE subject matter, therefore all documents listed must be available for ready reference while conducting underwater transducer/TCA repair The BQN-3/TR-143 transducer procedures. is classified CONFIDENTIAL. The shipping container con- 6-2.9 DRAWINGS tains a copy of the Factory Acceptance Test (FAT) docu- a. NAVSEA 113-4695779, Foundations, ment which is also classified AN/BQN-3 CONFIDENTIAL. Appropriate security measures for handling and storage of these items b. NAVSEA 101-4640634, NonPressure must be provided. Hull Frames 20, 21 and 22

c. NAVSEA 100-4640663, NonPressure 6-2.4 RECORDING RESULTS OF TESTS Hull Plating, Frame 6-27 AND INSPECTIONS d. NAVSEA 123-4788442, Access Plate, 6-2.5 The results of the various tests and Bolted, Main Deck Forward inspections conducted in the preliminary and procedural steps must be recorded in the e. NAVSEA 101-4640632, Center Line appropriate blocks of Data Report Form 1. Longitude Bulkhead, Frames 15-25

6-2 S0600-AA-PRO-060

Figure 6-1. Flow Diagram of BQN-3 Transducer Fault Isolation and Replacement.

6-3 S0600-AA-PRO-060

f. TRIREFFAC, Bangor DWG #T.R.F. d. NAVSEA 0994-LP-001-9010, U.S. 411-026-87, Transducer Lifting Device Navy Diving Manual, Volume 1, Air Div- ing 6-2.10 TECHNICAL MANUALS AND HAND- BOOKS 6-2.12 EQUIPMENT AND MATERIAL REQUIREMENTS a. SSPO 0652-013-9 (Vol. 1 of 3 Part 4), AN/BQN-3J Sonar Sounding Set 6-2.13 SUPPORT AND TEST EQUIPMENT

b. NAVSEA OP 4429 (Vol. 3-Part 3) SMP The equipment listed below is required to con- 33-4604, Sonar Transducer Test duct underwater transducer/TCA repairs. The equipment should be assembled on site and c. NAVSEA 0900-LP-091-6010, Subma- tested or calibrated as required before the rine Fastening Criteria for Pressure task begins. Containing Systems a. Insulation Test Set, Biddle d. NAVSEA S0900-000-PRO-000/MLDG 21160W/21963C MAN, Molding and Inspection Proce- dures for Fabricating Connector Plugs b. Chain Hoist, 1-ton capacity, Beebe for Submarine Outboard Cables International, Inc. Model C3H010 with a 30-foot load chain vice the standard e. NAVSEA S9165-AC-HBK-010, Sub- 10-foot chain (Beebe, 2724 6th Ave. S., marine Sonar Dome Handbook Seattle, WA 98314) f. NAVSEA S9086-CQ-STM-000/081, c. Transducer Lifting Device, (TRIREF- Waterborne Underwater Hull Cleaning FAC, Bangor DWG # T.R.F. 411-026- of Navy Ships 87) g. NAVSEA S9061-AA-MMA-010, Main- d. Impedance Bridge ELA 250 DE tenance and Repair Instructions, Pres- sure Hull Electrical Penetrations and Associated Outboard Components e. Hydraulic Impact Wrench with Power Unit h. NAVSEA OD 52591, Trident SWS Navigation Subsystem Standard Oper- f. Torque Wrench, 250 foot-pound ating Procedures, Volume 1 capacity

6-2.11 SAFETY REFERENCES g. Torque Wrench, 125 inch-pound capacity a. OPNAVINST 5100.19 (series), Navy Safety Precautions for Forces Afloat h. Spanner Wrenches, 1-1/4 to 3 inches with 1/8-inch diameter pin and 2 to 4- b. COMSUBLANTINST 5101.2, Stan- 3/4 inches, claw type dard Tag-Out Procedures i. Allen Wrench Set c. COMSUBPACINST 5101.4D, Equip- ment Tag-Out Procedures j. Transducer face protective covers.

6-4 S0600-AA-PRO-060

6-2.14 MATERIALS performance was unsatisfactory, discontinue these proce- The materials listed in Table 6-1 must be dures and perform fault obtained and positioned in the immediate isolation/repair between the vicinity of the job site before beginning under- junction box and the transmit- water transducer/TCA repairs. ter/receiver in accordance with the reference listed in para- 6-2.15 PRELIMINARY PROCEDURES graph 6-2.10a.

6-2.16 Before beginning the fault isolation If EITHER capacitance OR and replacement procedures, conduct the fol- resistance is outside the speci- lowing tests to determine whether or not an fied acceptable range, continue electrical fault exists. with procedural step 1, paragraph 6-2.20. 6-2.17 (LWC) Conduct an insulation resistance test (SMP 33-4604) on the affected unit 6-2.20 PROCEDURAL STEP 1: FAULT ISO- (starboard or port unit) and record the results LATION in Block A on Data Report Form 1. 6-2.21 (LWC) Isolate the fault to either the 6-2.18 (LWC) Review Navigational Operating internal cabling/hull penetrator or to the trans- Procedure (paragraph 6-2.10h), Data Sheet 7, ducer/TCA. from the ship’s records to determine whether the transducer was operable from the last at- 6-2.22 (LWC) Request ship’s force to secure sea data recorded. power and tag-out the system.

6-2.19 (LWC) Measure the transducer/TCA a. Set the sonar switch on the sonar indi- capacitance from the junction box and record cator panel to the OFF position. the results in Blocks B of Data Report Form 1. b. Secure the 60 Hz sonar power switch a. Set the impedance bridge for 1,000 Hz on power panel WP-11-1 and attach a DANGER tag. b. Connect the inner shield to BRIDGE COMMON c. Disconnect cable W4 within the trans- mitter/receiver network and attach a c. Connect the center conductor of the DANGER tag. cable to BRIDGE HI

NOTE NOTE

If BOTH capacitance AND Disconnect cable W4 from jack resistance are within specified J3 for the starboard unit or from acceptable ranges AND there jack J4 for the port unit has been no degradation in at- sea performance, return the d. Complete Block 1A of Data Report system to the desired status. If Form 1. BOTH capacitance AND resistance are within the specified e. Shut the AN/BQN-3J ventilation acceptable ranges, BUT at-sea damper.

6-5 S0600-AA-PRO-060

Table 6-1. List of Materials.

Item No. Description Qty Part No.

1 Termalene Grease 35-lb container NSN: 9G-9150-01-306-9167 Item 7292-1A Belray Co., Inc. Farmingdale, NJ 07727

NOTE: Termalene can also be ordered directly from vendor in 14½-oz. cartridges, 12 per case.

2 D.C. Plug, 2 inches, or 1 NSN: 9C-5510-00-260-8958 equivalent

3 O-Ring (Hull As needed NSN: 9A-5330-00-543-3041 Penetrator) P/N: M83248/1-220

4 Gasket (TCA Hull As needed NSN: 1H-5530-01-230-7691 Connector) P/N: CPG 1027/1-031

5 O-Ring (Transducer As needed NSN: 9Z-5330-00-166-1026 Receptacle Face) P/N: M83248/1-027

6 O-Ring (interior As needed NSN: 9A-5530-00-166-1017 transducer receptacle) P/N: M83248/1-023

7 D.C. Plug, 5 inches, or 1 NSN: 9C-5510-00-260-8966 equivalent

8 Nylon Cable Ties 1 Pkg. NSN: 9G-5975-00-074-2072

9 Nylon Line 1/2-inch 100 feet NSN: 9Z-4020-01-255-0886 1/4-inch 100 feet NSN: 9Q-4920-00-928-3438

10 TCA Hull Connector 2 M24231/3-020** Plug Modified with D-Ring

11 Hull Penetrator Seal- 2 NSN: 9N-5935-00-070-9487 ing Cap N24231/13-011**

12 TCA Transducer Con- 2 MSS-K-DSR*** nector Plug NSN: 1HM-000-LL-TSC-9701

13 Transducer Recepta- 2 MSS-K-DSP*** cle Cap

6-6 S0600-AA-PRO-060

Table 6-1. List of Materials - Continued.

Item No. Description Qty Part No.

14 O-Ring Lubricant As needed NSN: 1HM-000-LL-TSC-9700 MIL-C-21567 (G-697) NSN: 9G-6850-00-702-4297

15 Transducer Hull 2 ½″ 13 UNC x 6″ Window Mounting Manufactured from Threaded Guide Studs with: Steel Rod NSN: 9Z-5306-00-174-1937

(a) Flat Washers 2 ½″ 13 UNC NSN: 9Z-5310-00-809-5998

(b) Hex Nuts 2 ½″ 13 UNC NSN: 9Z-5310-00-768-0318

16 5/8″ Eyebolts (weight- 85/8″ 11 UNC MS51937-7 tested to 680 lbs.) NSN: 9Z-5306-00-017-0810

17 U-Channel Rubber for As needed Neoprene Channel, Banding ½″ Groove 96″ Long NSN: 9G-9390-00-872-6393

18 Stainless Steel Band- As needed ½″ CRES Banding Roll ing with: NSN: 90-8135-01-023-4126

(a) Stainless Steel As needed NSN: 9Z-5340-00-244-7325 Buckle/Seal

19 Spare Hull Window 16 ½″ 13 UNC - 3A x 2½″ to Spec Screws FF-S-86, NiCu, Type IV NSN: 9Z-5305-01-210-1462

20 Spare Transducer 8 Capscrews, Socket Head, Mounting Bolts NiCuAl, 1″ - 8 UNC 3A x 3 1/4″ FF-S-86 Type VI (Procure Locally)

6-7 S0600-AA-PRO-060

Table 6-1. List of Materials - Continued

Item No. Description Qty Part No.

21 Preterminated & Pre- 1 tested Transducer Cable Assembly (TCA):

(a) Transducer Cable NSN: 8P-6605-LL-SOO-2983 Assembly (includes GE P/N 03538-77C71647281 TCA Transducer Con- nector)

(b) TCA Hull Connector NSN: 1H-5935-01-243-2429- (Kit) SS P/N: CPG 1027/1-108****

(d) O-Ring NSN: 9Z-5330-00-166-8411 M83248/1-220 [part of item 21 (b)]

22 3/4″ inch Galvanized 1 NSN: 9Z-4030-00-185-0489 Shackle (weight-tested to 1,200 lbs.)

23 O-Ring Removal Tool 1 Manufacture locally using stainless steel round bar, NSN: 9Z-9505-00-189-0574 (see Figure 6-40)

24 Cable Clamp Screw 2 10 32 UNF-3A x 1A Long CRES Socket Head Cap- screw (MS16996-14) NSN: 9Z-5305-00-068-5408

6-8 S0600-AA-PRO-060

Table 6-1. List of Materials - Continued.

Item No. Description Qty Part No.

25 60 ft. Wire Rope Pen- 1 3/8″ x 60′ with Soft Eye dant manufactured Swagged Each End (manufac- from: ture locally and weight tested to 1,200 lbs.)

(a) Wire Rope, CRES As needed NSN: 9Z-4010-00-222-4493 3/8″

(b) Swage Sleeve As needed NSN: 9Z-4030-00-445-6210

26 Isopropyl Alcohol 1 qt. NSN: 9G-6810-00-983-8551

27 Cotton Swabs 1 pkg. NSN: 9L-6515-00-303-8250

28 BQN-3/TR143 Trans- NSN: 8P-5845-00-724-8307 ducer GE P/N 03538-7325806G2

*Commercial and Government Entity (CAGE) codes replaced Federal Supply Codes for Man- ufacturers (FSCM) in May 1986. The code numbers were not changed; only the name of the codes changed.

**Part numbers beginning with “M” refer to D.G. O’Brien, Inc., P.O. Box 159, Seabrook, NH, 03874 (CAGE: 17476), part numbers (see first footnote).

***Part numbers beginning with “MSS” refer to Brantner & Associates, 1240 Vernon Way, El Cajon, CA, 92020-1839 (CAGE: 15739), part numbers (see first footnote.)

****Part numbers (P/N) beginning with “CPG” refer to General Dynamics, Electric Boat Divi- sion, 4 Eastern Point Rd., Groton, CT 06340-4947 (CAGE: 96169), part numbers (see first footnote).

6-2.23 (SHIP) Remove the topside sonar cav- NOTE ity deck plate at frame 22 (paragraph 6-2.9 d) and attach a CAUTION tag that states: “DO The terminology for the compo- NOT CLOSE SONAR CAVITY WITHOUT nents of the TCA, the trans- CONTACTING LEAD WORK CENTER.” ducer and the hull penetrator is given in Figure 6-2, and is used throughout these procedures. 6-2.24 (LWC) Pump sonar cavity dry. 6-2.26 (LWC) Disconnect the TCA from the 6-2.25 (LWC) Remove sonar cavity interior hull penetrator using the spanner wrench on deck plate. Flush area around penetrators with the affected unit (3752W01-EHF64, starboard fresh water and pump cavity dry. unit, or 3753W01-EHF65, port unit).

6-9 S0600-AA-PRO-060

Figure 6-2. AN/BQN-3J Transducer/Transducer Cable Assembly Components.

6-10 S0600-AA-PRO-060

6-2.27 (LWC) Visually inspect the TCA and 6-2.30 PROCEDURAL STEP 2: FURTHER the hull penetrator for O-ring damage or leak- FAULT ISOLATION age indication. Record the results of the inspection in Block 1B of Data Report Form 1. 6-2.31 (LWC/DV) Isolate the fault determined by procedural step 1 to either the TCA or the 6-2.28 (LWC) Conduct an insulation resis- transducer, or both. tance test on the hull penetrator and the internal cabling and record the results in Block 1C 6-2.32 (LWC) Remove the old gasket (item 4, of Data Report Form 1. Table 6-1) from the TCA hull connector and the old O-ring from the TCA hull connector plug (item 10,Table 6-1) (Figure 6-3). NOTE

CAUTION If ALL of the actual recorded values equal or exceed the Damage to the O-ring or gasket specified acceptable values, mating surfaces may cause install the hull penetrator cap improper seating and permit (item 11, Table 6-1) on the hull leakage. Use extreme care to penetrator and continue with prevent damage to these sur- paragraph 6-2.29. If ANY of the faces while installing the O-ring recorded values are less than and gasket. the acceptable values, perform corrective maintenance on the NOTE hull penetrator and internal cabling and return to paragraph Lubricate all gaskets and O- 6-2.28. rings with item 14, Table 6-1.

6-2.29 (LWC) Conduct an insulation resis- 6-2.33 (LWC) Lubricate and install a new tance test on the transducer/TCA and record TCA hull connector gasket (item 4, Table 6-1). the results in Block 1D of Data Report Form 1. Lubricate and install a new hull penetrator O- ring (item 3, Table 6-1) on the TCA hull connector plug (item 10, Table 6-1) NOTE 6-2.34 (LWC) Install the TCA hull connector If ALL of the actual recorded plug (item 10, Table 6-1) into the TCA hull values equal or exceed the connector, align the keying and tighten hand specified acceptable values, tight. discontinue these procedures and continue with paragraph 6- 6-2.35 (LWC) Attach a ½-inch nylon line (item 2.99. (Disregard paragraph 6- 9, Table 6-1) to the TCA hull connector sealing 2.106.) If ANY of the recorded plug D ring and secure the line inside the top- values are less than the side sonar cavity. acceptable values, continue with procedural step 2, para- 6-2.36 (LWC) Remove the banding from the graph 6-2.30. transducer cable.

6-11 S0600-AA-PRO-060

Figure 6-3. Connection of Transducer Cable Assembly Hull Connector to Hull Penetrator.

6-12 S0600-AA-PRO-060

6-2.37 (DV) Notify ship when divers are ready 6-2.39 (LWC) Complete Block 2A of Data to enter water. Report Form 1.

a. (SHIP) Pass the word that divers are in NOTE the water. If the diver’s report of inspec- b. (DV) Remove the transducer hull win- tion findings indicates severe dow and mounting ring (Figure 6-4). damage or biofouling, remove the window assembly for repair c. Remove the fairing compound from the and/or cleaning. If removal is 16½-inch recessed Allen capscrews. not necessary, leave the window suspended from the nylon d. Benchmark the transducer hull window lanyard until the job is com- and mounting ring to facilitate reinstal- pleted and the window is ready lation. to be reinstalled (Figure 6-4).

6-2.40 (DV) Attach a stainless steel safety CAUTION strap to the padeye in the cavity and to the padeye on the window. A nylon lanyard is attached to a padeye inside the cavity and to 6-2.41 (DV) Inspect the transducer being par- a padeye on the transducer hull ticularly attentive to the presence of the follow- window to prevent loss of the ing abnormal conditions: window during removal. Ensure that the lanyard is in place and a. Cuts, cracks, bubbles or other defects securely attached before on the rubber transducer acoustical releasing the window. window covering. e. Remove the 16 ½-inch capscrews from the transducer hull window using a b. Any signs of separation between the 5/16-inch Allen wrench. rubber transducer acoustical window covering and the stainless steel trans- 6-2.38 (DV) Inspect the transducer hull win- ducer body. dow being particularly attentive to the presence of the following abnormal conditions: c. Report the finding of the inspection to the LWC supervisor. a. Severe gouges and major nicks (reference NAVSEA S9165-AC-HBK-010, 6-2.42 (LWC) Complete Block 2B of Data Submarine Sonar Dome Handbook, Report Form 1. paragraph 6-2.10e) NOTE b. Biofouling FR 40 or greater (reference NAVSEA S9086-CQ-STM-000/ 081, The transducer should be Waterborne Underwater Hull Cleaning replaced if signs of separation of Navy Ships, paragraph 6-2.10f) exist between the rubber transducer acoustical window cover- c. Report the findings or the inspection to ing and the stainless steel the LWC supervisor. transducer body.

6-13 S0600-AA-PRO-060

Figure 6-4. Transducer Hull Window Assembly.

6-14 S0600-AA-PRO-060

6-2.50 (DV) Swim the plugged hull connector end of the TCA to the surface. WARNING

6-2.51 (LWC) Pull the plugged hull connector Entry into the transducer cavity end of the TCA topside, external to the ship is not possible with SCUBA and secure. tanks; surface-supplied air must be utilized. 6-2.52 (DV) Place the megger and the connector cleaning material in a watertight con- 6-2.43 (DV) Enter the transducer cavity. tainer and take them below to the transducer cavity. 6-2.44 (LWC/DV) Lower/pull the TCA through the cable conduit with the ½-inch nylon line attached to the TCA hull connector plug. CAUTION

6-2.45 (DV) Disconnect the ½-inch nylon line If water contacts the electrical from the TCA hull connector plug. system components, the system can short out. Ensure that 6-2.46 (LWC) Pull the ½-inch nylon line back the transducer receptacle and into the cable conduit so that the lower end is TCA transducer connector do six inches inside the end of the conduit. not get wet.

6-2.47 (DV) Plug the lower cable conduit and 6-2.53 (DV) Loosen the Allen set screw vent pipe using D.C. plugs (items 2 and 7, (3/32-inch Allen recess) on the TCA trans- Table 6-1) ducer connector and disconnect the TCA transducer connector by turning the connector 6-2.48 (DV) De-water the cavity using divers’ ring counterclockwise. See Figure 6-5. air. 6-2.54 (DV) Visually inspect the TCA trans- NOTE ducer connector and the transducer receptacle for correct O-ring seating and for If the cavity cannot be de- indications of flooding. watered, proceed to procedural step 6, paragraph 6- 6-2.55 (DV) Report the findings of the inspec- 2.170. tion to the LWC supervisor. 6-2.49 (DV) Ensure that the area above the transducer and the transducer connector is 6-2.56 (LWC) Complete Block 2C on Data completely dry. Report Form 1.

CAUTION CAUTION

6-15 S0600-AA-PRO-060

Figure 6-5. Connection of Transducer Cable Assembly Transducer Connector to Transducer Receptacle.

6-2.57 (DV) Conduct an insulation resistance 6-2.59 (LWC) Complete Block 2D on Data test on the transducer and TCA from within the Report Form 1. transducer cavity. 6-2.60 (DV) Lubricate the transducer connector O-rings (items 5 and 6, Table 6-1) and 6-2.58 (DV) Report the actual resistance val- install the O-rings on the TCA transducer con- ues to the LWC supervisor. nector plug (item 12, Table 6-1).

6-16 S0600-AA-PRO-060

CAUTION CAUTION

Acute bend radii in the cable Damage to the O-ring seating can cause excessive stress surfaces may cause improper and possible damage to the seating and permit leakage. cable insulation. Maintain a Use extreme care to prevent minimum bend radius of 4 damage to these surfaces inches while pulling the cable. while installing the O-rings. 6-2.61 (DV) Install the TCA transducer connector plug on the TCA transducer receptacle, 6-2.67. (DV) Lubricate the receptacle O-rings align the keying and tighten hand-tight. (items 5 and 6, Table 6-1) and install the O- rings on the transducer receptacle. 6-2.62 (DV) Use a 5/32-inch Allen wrench to remove the TCA cable clamp from the cable clamp support and remove the cable from the 6-2.68. (DV) Install the transducer connector support. cap (item 13, Table 6-1) on the transducer receptacle, align the keying and tighten hand- tight. 6-2.63 (LWC) Replace the TCA cable clamp on the cable clamp support to prevent its loss. 6-2.69. (DV) Place the megger and the con- 6-2.64 (LWC) Pull the TCA topside, remove nector cleaning material in a watertight con- the TCA transducer connector plug (item 12, tainer and swim the container to the surface. Table 6-1) and clean the TCA transducer connector. 6-2.70. (LWC) Conduct an insulation resis- 6-2.65 (DV) Remove and discard the O-rings tance test on the TCA. Complete Block 2E on from the transducer receptacle. Data Report Form 1.

6-2.66 (DV) Clean the transducer receptacle. NOTE

CAUTION If the TCA is defective and the transducer is satisfactory, con- Inadvertent flooding of the tinue with procedural step 3, unattended cavity can cause paragraph 6-2.71. serious damage if the transducer connector is unprotected. Ensure that the O-rings and If the transducer is defective, transducer connector cap are regardless of the condition of properly installed on the trans- the TCA, continue with proce- ducer connector before leaving dural step 4, paragraph 6- the cavity. 2.109.

6-17 S0600-AA-PRO-060

6-2.71 PROCEDURAL STEP 3: REPLACE- 6-2.78 (LWC) Install the TCA transducer con- MENT OF THE TRANSDUCER CABLE nector plug on the TCA transducer connector, ASSEMBLY IN A DRY TRANSDUCER CAV- align the keying and tighten hand-tight. ITY CAUTION 6-2.72 (LWC) Take the failed TCA to the repair shop for problem isolation; repair, if pos- Acute bend radiis in the cable can cause excessive stress sible; and retest. and possible damage to the cable insulation. Maintain a 6-2.73 (LWC) Prepare the replacement cable minimum bend radius of 4 for shipboard installation. inches while pulling the cable. 6-2.79 (LWC/DV) Pull the transducer connec- CAUTION tor end of the TCA along the outside of the ship’s hull and into the de-watered transducer Damage to the O-ring or gasket cavity. mating surfaces may cause 6-2.80 (LWC) Secure the hull connector end improper seating and permit of the TCA topside. leakage. Use extreme care to prevent damage to these surfaces while installing the O-ring CAUTION and gasket. If water contacts the electrical system components, the sys- 6-2.74 (LWC) Lubricate the gasket (item 4, tem can short out. Ensure that Table 6-1) and install the gasket on the TCA the connector does not get wet. hull connector. 6-2.81 (DV) Remove the TCA transducer connector plug from the TCA transducer connec- 6-2.75 (LWC) Lubricate the O-ring (item 3, tor and the transducer receptacle cap from the Table 6-1) and install the O-ring on the TCA transducer receptacle. hull connector plug (item 10, Table 6-1). 6-2.82 (DV) Remove and discard the O-rings 6-2.76 (LWC) Install the TCA hull connector from the transducer receptacle. plug on the TCA hull connector, align the keying and tighten hand tight. 6-2.83 (DV) Inspect all connector surfaces on the transducer receptacle to ensure that they are clean, dry and free of contaminants. 6-2.77 (LWC) Lubricate the O-rings (items 5 and 6, Table 6-1) and install the O-rings on the 6-2.84 (DV) Clean the receptacle surfaces as TCA transducer connector plug (item 12, necessary using isopropyl alcohol and cotton Table 6-1). swabs (items 26 and 27, Table 6-1).

6-18 S0600-AA-PRO-060

6-2.85 (DV) Lubricate and install two new O- rings (items 5 and 6, Table 6-1) on the transducer receptacle. CAUTION

6-2.86 (DV) Attach the TCA transducer con- Acute bend radii in the cable nector to the transducer receptacle, align the can cause excessive stress keying and tighten hand-tight. and possible damage to the cable insulation. Maintain a 6-2.87 (DV) Use a 3/32-inch Allen wrench to minimum bend radius of 4 tighten the set screw in the knurled ring. inches while pulling the cable.

NOTE 6-2.92 (DV) Remove all tools and cleaning materials from the transducer cavity and The purpose of the set screw is return them to the surface. to prevent the knurled ring from loosening. Do not overtighten 6-2.93 (DV) Remove the D.C. plugs from the the set screw. lower cable conduit and from the vent pipe.

6-2.88 (DV) Use a 5/32-inch Allen wrench to remove the TCA cable clamp from the cable 6-2.94 (LWC) Lower the ½-inch nylon line clamp support, align the cable in the support down through the conduit so that it is readily and reattach the TCA cable clamp. accessible to the diver.

6-2.89 (LWC) Remove the TCA hull connec- 6-2.95 (DV) Swim the plugged hull connector tor plug from the TCA hull connector. end of the TCA to the transducer cavity and attach the ½-inch nylon line to the TCA hull 6-2.90 (LWC) Conduct an insulation resis- connector sealing plug. tance test on the transducer/TCA and record the results in Block 3A on Data Report Form 1. CAUTION NOTE Acute bend radii in the cable If the actual recorded values can cause excessive stress equal or exceed the specified and possible damage to the acceptable values, continue cable insulation. Maintain a with paragraph 6-2.91. If the minimum bend radius of 4 actual values are less than the inches while pulling the cable. acceptable values, return to procedural step 2, paragraph 6- 6-2.96 (LWC/DV) Pull the ½-inch nylon line 2.30, for fault isolation and and the TCA up through the conduit. Divers problem resolution. should assist by guiding the cable into the conduit. Continue to pull cable until it forms a 6-2.91 (LWC) Reconnect the TCA hull con- lazy S in the transducer cavity. nector plug to the TCA hull connector, ensuring that the gasket and O-ring are correctly 6-2.97 (LWC) Remove the TCA hull connec- installed. tor plug from the TCA hull connector.

6-19 S0600-AA-PRO-060

6-2.98 (LWC) Conduct an insulation resis- NOTE tance test on the transducer/TCA and record the results in Block 3B of Data Report Form 1. Do not band or tie the excess cable in the transducer cavity. NOTE 6-2.107 (LWC) Conduct an insulation resis- If the actual recorded values tance test (SMP 33-4604) on the trans- equal or exceed the specified ducer/TCA from the junction box and record acceptable values, continue the results in Block 3C of Data Report Form 1. with paragraph 6-2.99. If the actual values are less than the NOTE acceptable values, return to procedural step 2, paragraph 6- If the actual recorded values 2.30, for fault isolation and equal or exceed the specified problem resolution. acceptable values, continue with paragraph 6-2.108. If the 6-2.99 (LWC) Remove the hull penetrator cap actual values are less than the acceptable values, return to from the hull penetrator. procedural step 1, paragraph 6- 2.20, for fault isolation and 6-2.100 Remove and discard the O-ring from problem resolution. the hull penetrator using the O-ring removal tool (item 23, Table 6-1). 6-2.108 (LWC) Measure the capacitance of the transducer/TCA from the junction box. 6-2.101 (LWC) Clean the hull penetrator with a stiff-bristled brush, cotton swabs and alco- a. Set the impedance bridge for 1,000 Hz. hol. b. Connect the inner shield to BRIDGE 6-2.102 (LWC) Lubricate and install a new O- COMMON. ring (item 3, Table 6-1) on the hull penetrator. c. Connect the center conductor to 6-2.103 (LWC) Lubricate and install a new BRIDGE HI. gasket (item 4, Table 6-1) on the TCA hull connector. d. Record the results in Block 3D of Data Report Form 1. 6-2.104 (LWC) Connect the TCA hull connector to the hull penetrator and tighten using the NOTE claw-type spanner wrench. If the actual recorded value is within the specified range of 6-2.105 (LWC) Use nylon cable ties to tempo- acceptable values, continue rarily band the cable outward from the hull with procedural step 7, para- penetrator to the cable brackets in the sonar graph 6-2.240. If the actual cavity topside. value is not within the range of acceptable values, return to 6-2.106 (DV) Ensure that the transducer procedural step 1, paragraph 6- cable in the transducer cavity forms a lazy S 2.20, for fault isolation and above the transducer. problem resolution.

6-20 S0600-AA-PRO-060

6-2.109 PROCEDURAL STEP 4: REMOVAL been loosely two-blocked so OF A TRANSDUCER IN A DRY TRANS- that the running block can not DUCER CAVITY flip over into the working chain loops during shipment. WARNING OPERATORS must ensure that the running block is not Do not attempt to rig the trans- flipped over into the chain loops ducer using existing eyebolts. creating chain twist while Eyebolts supplied with the deploying and rigging the chain transducer may fail during han- hoists/falls. dling. Use only item 16, Tab l e 6-1. To check for chain twist in the chain loop: 6-2.110 (DV) Install four 5/8-inch eyebolts (item 16, Table 6-1) on the transducer (Figure Hang the hoist from the top 6-6). hook in a safe, accessible loca- tion. Tighten the hoist until less 6-2.111 (DV) Attach the transducer lifting device (Figure 6-6) to the four 5/8-inch eye- then one foot of separation bolts. exists between the hoist body and the running block. The 6-2.112 (DV) Attach a 1-ton chain hoist to the short throw allows for much padeye welded on the sea chest overhead easier visual detection of twist within the transducer foundation (Figure 6- in the individual chain reeves. 7).C6-2.113 Confirm that none of the chain lengths running from the working chain sprocket to the running chain sprocket (chain CAUTION reeves) have any twist caused by the running block being flipped over and through the Chain twist in the working chain loop of the chain. If ANY chain loops of manual chain hoists and chain falls will cause chain twist is detected, flip the run- failure. Chain twist in the work- ning block back through the ing chain loop occurs when the chain loop until the twist is chain has an improper reeve removed. If ANY twist can not through the chain sprockets be removed by flipping the run- OR (more often) the running ning block, the hoist chain block has flipped up and MUST be removed from the through any of the chain loops hoist body and re-reeve exer- (see figure 6-10A) cising care not to twist the All chain hoists and chain falls chain during installation.. issued with NAVSEA SUP- SALV Underwater Ship Hus- 6-2.113 (DV) Connect the chain hoist hook to bandry equipment kits have the transducer lifting device (Figure 6-7) and been checked for chain twist remove the slack from the chain hoist lifting and the chain hoist/fall has chain.

Change 1 6-21 S0600-AA-PRO-060

ducer.

6-2.116 (DV) Remove the eight 1-inch transducer retaining bolts.

6-2.117 (DV) Slack off on the chain hoist to lower the transducer far enough that the transducer lifting device clears the transducer cavity and is accessible to attach a shackle (approximately 3 or 4 feet) (Figure 6-9).

6-2.118 (RIG) Attach a 60-foot wire rope pendant (item 25, Table 6-1) to the hook of the Fig. 6-10A Typical Running Block Flip (one or shore crane and lower the pendant into the two part chain reeve) water.

6-2.119 (DV) Swim the lazy end of the 60-foot wire rope pendant to the transducer and WARNING shackle to the transducer lifting device (Figure 6-10).

6-2.120 (RIG/DV) Yard and stay the trans- Uncontrolled movement of the ducer by alternately slacking the chain hoist 600-pound transducer can and heaving in on the shore crane hook. result in serious personal injury or property damage. Do not 6-2.121 (DV) Disconnect the chain hoist lifting loosen the transducer retaining chain from the transducer lifting device when bolts more than four turns until the transducer is plumbed under the shore it can be verified that the trans- crane hook. ducer is totally supported by the chain hoist. 6-2.122 (RIG) Raise transducer to pier and lower onto a protective faceplate that has 6-2.114 (DV) Use a hydraulic impact wrench been placed on a pallet. Carefully align protec- to loosen the eight 1-inch transducer retaining tive faceplate threaded mounting holes (4) bolts four turns (Figure 6-8).

6-2.115 (DV) Ensure that the transducer is totally supported by the chain hoist.

WARNING

Uncontrolled movement of the 600-pound transducer can result in serious personal injury or property damage. Ensure that divers and diver umbilicals are clear of the transducer cavity and the transducer cavity edges while handling the trans-

6-21A Change 1 S0600-AA-PRO-060

THIS PAGE LEFT BLANK INTENTIONALLY

Change 1 6-21B S0600-AA-PRO-060

6-24 S0600-AA-PRO-060

Figure 6-6. Transducer Lifting Device Installed.

6-22 S0600-AA-PRO-060

Figure 6-7. Chain Hoist Rigged.

6-23 S0600-AA-PRO-060

Figure 6-8. Transducer Retaining Bolts.

6-24 S0600-AA-PRO-060

Figure 6-9. Diver Operating Chain Hoist.

6-25 S0600-AA-PRO-060

Figure 6-10. Yard and Stay Rig.

6-26 S0600-AA-PRO-060 with corresponding transducer mounting holes 6-2.127 (LWC) Conduct an insulation resis- as transducer is being lowered (Figure 6-11). tance test on the replacement TCA. Complete Block 5C on Data Report Form 1. 6-2.123 (RIG) Transport the transducer to a classified storage area. NOTE

NOTE If the actual values resulting from the test conducted in When both a transducer and paragraph 6-2.127 are not TCA are available for installa- within acceptable limits, tion, continue with procedural acquire a new transducer cable step 5, paragraph 6-2.124. assembly and return to paragraph 6-2.127. 6-2.124 PROCEDURAL STEP 5: REPLACE- 6-2.128 (LWC) Remove and discard the O- MENT OF A TRANSDUCER AND TRANS- rings from the transducer receptacle. DUCER CABLE ASSEMBLY IN A DRY TRANSDUCER CAVITY 6-2.129 (LWC) Inspect all receptacle surfaces on both the transducer receptacle and the 6-2.125 (LWC) Conduct an insulation resis- TCA transducer connector to ensure that they tance test on the replacement transducer are clean, dry and free of contaminants. (item 28, Table 6-1) and record the results in Block 5A of Data Report Form 1. Also record serial number of replacement transducer. 6-2.130 (LWC) Clean the connector surfaces as necessary using isopropyl alcohol and cotton swabs (items 26 and 27, Table 6-1). 6-2.126 (LWC) Measure the capacitance of the replacement transducer. 6-2.131 (LWC) Lubricate and install two new O-rings (items 5 and 6, Table 6-1) on the a. Set the impedance bridge to 1,000 Hz. transducer receptacle.

b. Connect the inner shield to BRIDGE 6-2.132 (LWC) Attach the TCA transducer COMMON. connector to the transducer receptacle, align the key and tighten hand tight. c. Connect the center conductor to BRIDGE HI. 6-2.133 (LWC) Use a 3/32-inch Allen wrench to tighten the set screw in the knurled ring. d. Record the results in Block 5B of Data Report Form 1. NOTE

NOTE The purpose of the set screw is to prevent the knurled ring from If the actual values resulting loosening. Do not overtighten from either of the tests con- the set screw. ducted in paragraphs 6-2.125 and 6-2.126 are not within 6-2.134 (LWC) Use a 5/32-inch Allen wrench acceptable limits, acquire a to remove the TCA cable clamp from the cable new transducer and return to clamp support, align the cable in the support paragraph 6-2.125. and reattach the rubber TCA cable clamp.

6-27 S0600-AA-PRO-060

Figure 6-11. Transducer Protective Face Plate.

6-2.135 (LWC) Conduct an insulation resis- dling. Use only item 16, Tab l e tance test on the replacement transducer/TCA 6-1. and record the results in Block 5D of Data Report Form 1. 6-2.136 (LWC) Install four 5/8-inch eyebolts (item 16, Table 6-1) on the transducer. WARNING 6-2.137 (LWC) Attach the transducer lifting device to the four eyebolts (Figure 6-6). Do not attempt to rig the transducer using existing eyebolts. 6-2.138 (LWC) Install the TCA hull connector Eyebolts supplied with the plug (item 10, Table 6-1) on the TCA hull con- transducer may fail during han- nector.

6-28 S0600-AA-PRO-060

6-2.139 (LWC) Coil the cable on top of the when the transducer is plumbed under the transducer around the transducer lifting device chain hoist. and secure it in place with nylon cable ties (Figure 6-12). WARNING

6-2.140 (RIG) Attach the 60-foot wire rope pendant, suspended from the crane hook to Uncontrolled movement of the the transducer lifting device. 600-pound transducer may result in serious personal injury 6-2.141 (RIG) Lift the transducer to a conve- or property damage. Ensure nient height and remove the transducer pro- that divers and divers’ umbili- tective faceplate from the transducer (Figure cals are clear of the transducer 6-11). cavity and the transducer cavity edges while handling the trans- 6-2.142 (LWC) Inspect the transducer rubber ducer. face and record the results of the inspection in Block 5E of Data Report Form 1. CAUTION

NOTE Crushing or pinching the transducer cable will damage the If the transducer is damaged, cable. Ensure that the cable acquire a new transducer and coiled on top of the transducer return to paragraph 6-2.125. does not become crushed or pinched between the transducer and the transducer foun- CAUTION dation.

Refer to the Chain Hoist CAU- 6-2.147 (DV) Take in on the chain hoist to TION immediately before para- raise the transducer into the cavity until it is graph 6-2.113. approximately flush with the transducer foundation (Figure 6-9). 6-2.143 (RIG) Lower the transducer into the water deep enough to allow divers to attach 6-2.148 (DV) Coat eight 1-inch bolts (item 20, the transducer cavity chain hoist lifting chain Table 6-1) with Termalene grease (item 1, to the transducer lifting device. Table 6-1).

6-2.144 (DV) Attach the transducer cavity 6-2.149 (DV) Bolt the transducer to the trans- chain hoist lifting chain to the transducer lifting ducer foundation with the eight 1-inch bolts. device. NOTE 6-2.145 (RIG/DV) Yard and stay the transducer to the transducer cavity by alternately Torque the bolts in a diametri- slacking the crane hook and heaving in on the cally opposed sequence in 50 chain hoist (Figure 6-10). foot-pound increments. Report the completion of each torquing 6-2.146 (DV) Disconnect the 60-foot wire sequence to the LWC supervi- rope pendant from the transducer lifting device sor.

Change 1 6-29 S0600-AA-PRO-060

Figure 6-12. Cable Coiled on Handling Fixture.

6-2.150 (DV) Torque the 1-inch bolts to 250 6-2.154 (DV) Remove all cleaning materials foot-pounds 25 foot-pounds. and tools from the transducer cavity and return them to the surface. 6-2.151 (LWC) Complete Block 5F of Data Report Form 1. 6-2.155 (DV) Remove the D.C. plugs from the lower cable conduit and from the vent pipe. 6-2.152 (DV) Remove the nylon cable ties holding the cable in place on the transducer 6-2.156 (LWC) Lower the ½-inch nylon line lifting device and uncoil the cable. down through the conduit so that it is readily accessible to the diver. 6-2.153 (DV) Remove the transducer cavity chain hoist, transducer lifting device and lifting 6-2.157 (DV) Attach the ½-inch nylon line to eyebolts and return them to the surface. the TCA hull connector plug.

6-30 Change 1 S0600-AA-PRO-060

and a new gasket (item 4, Table 6-1) on the TCA hull connector. CAUTION 6-2.165 (LWC) Connect the TCA hull connec- Acute bend radii in the cable tor to the penetrator and tighten using the claw can cause excessive stress type spanner wrench. and possible damage to the cable insulation. Maintain a 6-2.166 (LWC) Use nylon cable ties to tempo- minimum bend radius of 4 rarily band the transducer cable outward from inches while pulling the cable. the hull penetrator to the cable brackets in the 6-2.158 (LWC/DV) Pull the ½-inch nylon line sonar cavity topside. and the TCA through the cable conduit. Divers should assist by guiding the cable into the 6-2.167 (DV) Ensure that the excess trans- conduit. Continue pulling cable until it forms a ducer cable in the transducer cavity forms a lazy S in cavity. lazy S above the transducer.

6-2.159 (LWC) Remove the TCA hull connec- NOTE tor plug from the TCA hull connector. Do not band or tie the excess 6-2.160 (LWC) Conduct an insulation resis- cable in the transducer cavity. tance test on the transducer/TCA and record the results in Block 5G of Data Report Form 1. 6-2.168 (LWC) Conduct an insulation resistance test (SMP 33-4604) on the trans- NOTE ducer/TCA from the junction box and record the results in Block 5H of Data Report Form 1. If the actual recorded values equal or exceed the specified NOTE acceptable values, continue with paragraph 6-2.161. If the If the actual recorded values actual values are less than the equal or exceed the specified acceptable values, return to acceptable values, continue procedural step 2, paragraph 6- with paragraph 6-2.169. If the 2.30 for fault isolation and prob- actual values are less than the lem resolution. recorded values, return to procedural step 1, paragraph 6- 6-2.161 (LWC) Remove the hull penetrator 2.20, for fault isolation and cap from the hull penetrator. problem resolution.

6-2.162 Remove and discard the O-ring from 6-2.169 (LWC) Measure the capacitance of the hull penetrator using the O-ring removal the transducer/TCA from the junction box. tool (item 23, Table 6-1). a. Set the impedance bridge for 1,000 Hz. 6-2.163 (LWC) Clean the hull penetrator with a stiff-bristled brush, cotton swabs and alco- b. Connect the inner shield to BRIDGE hol. COMMON.

6-2.164 (LWC) Lubricate and install a new O- c. Connect the center conductor to ring (item 3, Table 6-1) on the hull penetrator BRIDGE HI.

Change 1 6-31 S0600-AA-PRO-060

d. Record the results in Block 5I of Data 6-2.174 (DV) Attach a chain hoist to the Report Form 1. welded padeye on the sea chest overhead within the transducer foundation. NOTE 6-2.175 Connect the chain hoist lifting chain If the actual recorded value is to the transducer lifting device and remove all within the range of acceptable slack from the lifting chain (Figure 6-7). values, continue with procedural step 7, paragraph 6- WARNING 2.240. If the actual value is not within the range of acceptable values, return to procedural Uncontrolled movement of the step 1, paragraph 6-2.20, for 600-pound transducer may fault isolation and problem res- result in serious personal injury olution. or property damage. Do not loosen the transducer retaining 6-2.170 PROCEDURAL STEP 6: REMOVAL bolts more than four turns until AND REPLACEMENT OF A TRANSDUCER it can be verified that the trans- AND TRANSDUCER CABLE ASSEMBLY ducer is totally supported by FROM A FLOODED TRANSDUCER CAVITY the chain hoist.

6-2.176 (DV) Use a hydraulic impact wrench WARNING to loosen the eight 1-inch transducer retaining bolts four turns (Figure 6-8). Do not attempt to rig the transducer using existing eyebolts. 6-2.177 (DV) Ensure that the transducer is Eyebolts supplied with the totally supported by the chain hoist. transducer may fail during handling. Use only item 16, Table 6-1. WARNING

6-2.171 (DV) Install four 5/8-inch eyebolts Uncontrolled movement of the (item 16, Table 6-1) on the transducer. 600-pound transducer can result in serious personal injury 6-2.172 (DV) Attach the transducer lifting or property damage. Ensure device to the four eyebolts (Figure 6-6). that divers and diver umbilicals are clear of the transducer cav- 6-2.173 (DV) Coil the cable on top of the ity and the transducer cavity transducer around the transducer lifting device edges while handling the trans- and secure the cable to the transducer lifting ducer. device with nylon cable ties (Figure 6-12).. 6-2.178 (DV) Remove the eight 1-inch transducer retaining bolts. CAUTION 6-2.179 (DV) Slack off on the chain hoist to lower the transducer far enough that the trans- Refer to the Chain Hoist CAU- ducer lifting device clears the transducer cav- TION immediately before para- ity and is accessible to attach a shackle graph 6-2.113. (approximately 3 or 4 feet) (Figure 6-9).

6-32 Change 1 S0600-AA-PRO-060

6-2.180 (RIG) Attach a 60-foot wire rope pendant (item 25, Table 6-1) to the hook of the shore crane.

6-2.181 (RIG) Lower the 60-foot wire rope pendant into the water to a sufficient depth to allow divers to attach it to the transducer lifting device.

6-2.182 (DV) Swim the lazy end of the 60-foot wire rope pendant to the transducer and shackle to the transducer lifting device.

6-2.183 (RIG/DV) Yard and stay the transducer by alternately slacking the chain hoist and heaving in on the crane hook (Figure 6- 10).

6-2.184 (DV) Disconnect the chain hoist lifting chain from the transducer lifting device when the transducer is plumbed under the shore crane hook.

6-2.185 (RIG) Remove transducer to pier and lower onto a protective faceplate that has been placed on a pallet. Carefully align protective faceplate threaded mounting holes (4) with corresponding transducer mounting holes as transducer is being lowered (Figure 6-11).

Change 1 6-32A S0600-AA-PRO-060

THIS PAGE LEFT BLANK INTENTIONALLY

6-32B Change 1 S0600-AA-PRO-060 been placed on a pallet. Carefully align protective faceplate threaded mounting holes (4) with corresponding transducer mounting holes CAUTION as transducer is being lowered (Figure 6-11). Damage to the O-ring seating 6-2.186 (RIG) Remove the 60-foot wire rope surfaces may cause improper pendant from the transducer lifting device. seating and permit leakage. Use extreme care to prevent 6-2.187 (LWC) Uncoil the TCA from the top of damage to these surfaces the transducer. while installing the O-rings. 6-2.194 (LWC) Lubricate the receptacle O- 6-2.188 (LWC) Loosen the Allen set screw rings (items 5 and 6, Table 6-1) and install the (3/32-inch Allen recess) on the TCA trans- O-rings on the transducer receptacle. ducer connector and disconnect the TCA from the transducer by turning the connector ring 6-2.195 (LWC) Install the transducer connec- counterclockwise. tor cap (item 13, Table 6-1) on the transducer receptacle, align the keying and tighten hand 6-2.189 (LWC) Inspect the TCA transducer tight. connector and the transducer receptacle for correct O-ring seating and indications of flood- 6-2.196 (LWC) Transport the transducer to a ing. Record the results of the inspection in classified storage area. Block 6A of Data Report Form 1. 6-2.197 (LWC) Take the TCA to the repair CAUTION shop for problem isolation; repair if necessary; and retest. Damage to the O-ring seating surfaces may cause improper 6-2.198 (LWC) Conduct an insulation resis- seating and permit leakage. tance test on the TCA and record the results in Use extreme care to prevent Block 6B on Data Report Form 1. damage to these surfaces while installing the O-rings. 6-2.199 (LWC) Conduct an insulation resistance test on the transducer and record the 6-2.190 (LWC) Lubricate the connector O- results in Block 6C on Data Report Form 1. rings (items 5 and 6, Table 6-1) and install the O-rings on the TCA transducer connector plug (item 12, Table 6-1), 6-2.200 (LWC) Measure the capacitance of the transducer. 6-2.191 (LWC) Install the TCA transducer connector plug on the TCA transducer recep- a. Set the impedance bridge for 1,000 Hz. tacle, align the key and tighten hand- tight. b. Connect the inner shield to BRIDGE 6-2.192 (LWC) Use a 5/32-inch Allen wrench COMMON. to remove the TCA cable clamp from the cable clamp support and remove the cable from the c. Connect the center conductor to support. BRIDGE HI.

6-2.193 (LWC) Replace the TCA cable clamp d. Record the results in Block 6D of Data on the cable clamp support to prevent its loss. Report Form 1.

6-33 S0600-AA-PRO-060

NOTE 6-2.207 (LWC) Conduct an insulation resistance test on the replacement transducer/TCA The results of the tests con- and record the results in Block 6E of Data ducted in paragraphs 6-2.198 Report Form 1. through 6-2.200 will determine whether the transducer or the NOTE TCA or both are defective. After the defective compo-nent(s) If the actual recorded values have been replaced or equal or exceed the specified repaired, the tests in para- acceptable values, continue graphs 6-2.198 through 6- with these procedures at para- 2.200 should be conducted graph 6-2.208. If the actual again until satisfactory results recorded values are less than are achieved. Then continue the acceptable values, discon- with these procedures at para- nect the cable assembly from graph 6-2.201. the transducer and return to the procedural step at paragraph 6- 2.198 for fault isolation and 6-2.201 (LWC) Inspect all connector surfaces problem resolution. on both the transducer and the cable to ensure that they are clean, dry and free of contaminants. WARNING

6-2.202 (LWC) Clean the connector surfaces Do not attempt to rig the trans- as necessary using isopropyl alcohol and cot- ducer using existing eyebolts. ton swabs (items 26 and 27, Table 6-1). Eyebolts supplied with the transducer may fail during han- 6-2.203 (LWC) Lubricate and install two new dling. Use only item 16, Tab l e O-rings (items 5 and 6, Table 6-1) on the 6-1. transducer receptacle. 6-2.208 (LWC) Install four, 5/8-inch eyebolts 6-2.204 (LWC) Attach the TCA transducer (item 16, Table 6-1) on the transducer. connector to the transducer receptacle, align the key and tighten hand tight. 6-2.209 (LWC) Attach the transducer lifting device to the four eyebolts (Figure 6-6). 6-2.205 (LWC) Use a 3/32-inch Allen wrench to tighten the set screw in the knurled ring. 6-2.210 (LWC) Lubricate the gasket (item 4, Table 6-1) and install the gasket on the TCA hull connector. NOTE 6-2.211 (LWC) Lubricate the O-ring (item 3, The purpose of the set screw is Table 6-1) and install the O-ring on the TCA to prevent the knurled ring from hull connector plug (item 10, Table 6-1). loosening. Do not overtighten the set screw. 6-2.212 (LWC) Install the TCA hull connector plug on the TCA hull connector, align the key 6-2.206 (LWC) Use a 5/32-inch Allen wrench and tighten hand-tight. to remove the TCA cable clamp from the cable clamp support, align the cable in the support 6-2.213 (LWC) Coil the cable on top of the and reattach the TCA cable clamp. transducer around the transducer lifting device

6-34 S0600-AA-PRO-060 and secure it to the transducer lifting device ity and the transducer cavity with nylon cable ties (Figure 6-12). edges while handling the transducer. 6-2.214 (RIG) Attach the 60-foot wire rope pendant, suspended from the shore crane CAUTION hook, to the transducer lifting device.

6-2.215 (RIG) Lift the transducer to a conve- Crushing or pinching the trans- nient height and remove the transducer pro- ducer cable will damage the tective faceplate (Figure 6-11). cable. Ensure that the cable coiled on top of the transducer 6-2.216 (LWC) Inspect the transducer rubber does not become crushed or face and record the results of the inspection in pinched between the trans- Block 6F of Data Report Form 1. ducer and the transducer foundation. NOTE 6-2.221 (DV) Take in on the transducer cavity If the transducer is damaged, chain hoist to lift the transducer into the cavity obtain a new transducer and and approximately flush with the transducer return to paragraph 6-2.199. foundation (Figure 6-9).

6-2.217 (RIG) Lower the transducer into the 6-2.222 (DV) Coat eight 1-inch bolts (item 20, water deep enough to allow divers to attach Table 6-1) with Termalene grease (item 1, the transducer cavity chain hoist lifting chain Table 6-1). to the transducer lifting device. 6-2.223 (DV) Bolt the transducer to the foun- 6-2.218 (DV) Attach the transducer cavity dation using the eight 1-inch bolts. chain hoist lifting chain to the transducer lifting device. NOTE 6-2.219 (RIG/DV) Yard and stay the transducer to the transducer cavity by alternately Torque the bolts in a diametri- slacking the crane hook and heaving in on the cally opposed sequence in 50 chain hoist (Figure 6-10). foot-pound increments. Report the completion of each torquing 6-2.220 (DV) Disconnect the 60-foot wire sequence to the LWC supervi- rope pendant from the transducer lifting device sor. when the transducer is plumbed under the chain hoist. 6-2.224 (DV) Torque the eight 1-inch bolts to 250 foot-pounds, 25 foot-pounds. WARNING 6-2.225 (LWC) Complete Block 6G of Data Uncontrolled movement of the Report Form 1. 600-pound transducer may result in serious personal injury 6-2.226 (DV) Remove the nylon cable ties or property damage. Ensure banding the cable to the transducer lifting that divers and diver umbilicals device, uncoil the cable and attach the ½-inch are clear of the transducer cav- nylon line to the TCA hull connector plug.

6-35 S0600-AA-PRO-060

6-2.227 (DV) Remove the transducer cavity 6-2.234 (LWC) Lubricate and install a new O- chain hoist, the transducer lifting device and ring (item 3, Table 6-1) on the hull penetrator the eyebolts and return them to the surface. and a new gasket (item 4, Table 6-1) on the TCA hull connector. CAUTION 6-2.235 (LWC) Connect the TCA hull connector to the hull penetrator and tighten using the Acute bend radii on the cable claw-type spanner wrench. can cause excessive stress and possible damage to the 6-2.236 (LWC) Use nylon cable ties to tempo- cable insulation. Maintain a rarily band the transducer cable outward from minimum bend radius or 4 the hull penetrator to the cable brackets in the inches while pulling the cable. sonar cavity topside. 6-2.228 (LWC/DV) Pull the ½-inch nylon line 6-2.237 (DV) Ensure that the excess cable and the TCA through the conduit. Divers forms a lazy S above the transducer. should assist by guiding the cable into the conduit. Continue pulling cable until it forms a lazy S. NOTE Do not band or tie the excess 6-2.229 (LWC) Remove the TCA hull connec- cable in the transducer cavity. tor plug from the TCA hull connector. 6-2.238 (LWC) Conduct an insulation resis- 6-2.230 (LWC) Conduct an insulation resistance test (SMP 33-4604) on the trans- tance test on the transducer/TCA and record ducer/TCA from the junction box and record the results in Block 6H of Data Report Form 1. the results in Block 6I of Data Report Form 1.

NOTE NOTE

If the actual recorded values If the actual recorded values equal or exceed the specified equal or exceed the specified acceptable values, continue acceptable values, continue with paragraph 6-2.231. If the with paragraph 6-2.239. If the actual values are less than the actual values are less than the acceptable values, return to acceptable values, return to procedural step 2, paragraph 6- procedural step 2, paragraph 6- 2.30, for fault isolation and 2.30, for fault isolation and problem resolution. problem resolution.

6-2.231 (LWC) Remove the hull penetrator 6-2.239 (LWC) Measure the capacitance of cap. the transducer/TCA from the junction box.

6-2.232 Remove and discard the O-ring from a. Set impedance bridge for 1,000 Hz. the hull penetrator using the O-ring removal tool (item 23, Table 6-1). b. Connect inner shield to BRIDGE COM- MON. 6-2.233 (LWC) Clean the hull penetrator with a stiff-bristled brush, cotton swabs and alco- c. Connect the center conductor of cable hol. to BRIDGE HI.

6-36 S0600-AA-PRO-060

d. Complete Block 6J of Data Report Form 1. CAUTION NOTE Use of ½-inch 13 UNC x 2½ inch capscrews to pull the win- If the actual recorded value is dow into place will result in within the specified range of damage to the plastic ring in acceptable values, continue the window assembly. Use the with paragraph 6-2.240. If the ½-inch 13 UNC x 6-inch studs actual value is not within the (item 15, Table 6-1) to prevent specified range of acceptable damage. values, return to procedural step 2, paragraph 6-2.30, for 6-2.248 (DV) Reinstall the transducer hull fault isolation and problem res- window assembly using the two ½-inch 13 olution. UNC x 6-inch studs (item 15, Table 6-1) to pull the window assembly into place. 6-2.240 PROCEDURAL STEP 7: CONFIGU- RATION RESTORATION 6-2.249 (DV) Lubricate with Termalene grease (item 1, Table 6-1) and install 14½- 6-2.241 (LWC) Replace the nylon cable ties inch 13 UNC x 2½-inch capscrews in the in the sonar cavity with U-channel rubber and remaining holes. Remove the previously stainless steel banding (items 17 and 18, installed ½-inch 13 UNC x 6-inch studs and Table 6-1). replace them with the two remaining ½-inch 13 UNC x 2½-inch capscrews after lubricating 6-2.242 (LWC) Reinstall the interior deck with Termalene grease. Torque all transducer plate in the sonar cavity. hull window assembly capscrews to 125 inch- pounds in a diametrically opposed sequence. Heads should be flush or not more than 0.05 6-2.243 (LWC) Inspect the sonar cavity to inch below the exterior surface. ensure removal of all material and tools. 6-2.250 (DV) Report completion of the torqu- 6-2.244 (SHIP) Close out the cavity, remove ing sequence to the LWC supervisor. the CAUTION tag and reinstall the hull deck plate. 6-2.251 (LWC) Complete Block 7A of Data Report Form 1. 6-2.245 (DV) Remove the stainless steel safety strap from the transducer hull window 6-2.252 (LWC) Request ship’s force to assembly and return the strap to the surface. remove all DANGER tags and return the system to operational status. Obtain bottom 6-2.246 (DV) Inspect the transducer cavity to sounding at lowest transmit power possible. ensure removal of all material and tools. 6-2.253 (LWC) Record transmit power level 6-2.247 (DV) Realign the hull window assem- required to obtain bottom sounding in Block bly with the alignment marks. 7C of Data Report Form 1.

6-37 S0600-AA-PRO-060

DATA REPORT FORM 1 Page 1 of 9

SHIP:

(name and hull number)

TASK DESCRIPTION: Transducer/transducer cable

(starboard or port) assembly waterborne fault isolation and replacement procedures for Trident I C4 Submarines.

EQUIPMENT COMPONENT: TR-143 Transducer/transducer cable assembly (TCA).

SYSTEM: SWS NAVIGATION

RELATED MAINTENANCE: NAVSEA OP 4429 (Vol. 3, Part 3) SMP 33-4604.

SUBSYSTEM: AN/BQN-3J Sonar sounding set.

MANPOWER REQUIREMENTS:

DIVERS: Dive station manned in accordance with the requirements of NAVSEA 0994-LP-001-9010, U.S. Navy Diving Manual, Volume 1, Air Diving

SWS NAVIGATION REPAIR PERSONNEL (Lead Work Center, LWC, is Shop 67M):

Quantity Position

2 SWS Navigation Electroncis Technicians or civilian System Mechanics

1 SWS Electronics Systems Quality Assurance Inspector.

MANHOUR EXPENDITURES

Procedural Step Elapsed Time (hours) X No. of Personnel = Manhours Expended

Preliminary

Step 1

Step 2

Step 3

Step 4

Step 5

6-38 S0600-AA-PRO-060

DATA REPORT FORM 1 Page 2 of 9

Step 6

Step 7

Total Elapsed Time

Total Man-hours/Evolution

PRELIMINARY PROCEDURES

BLOCK A (6-2.17): Insulation Resistance Test (Transducer/TCA From Junction Box)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Inner Shield to Outer Armor ≥ 1 Mohm Mohm

Center Conductor to Inner Shield ≥ 150 Mohms Mohms

Sat Unsat Initials

BLOCK B (6-2.19): Capacitance (Transducer/TCA From Junction Box)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Inner Shield to Center Conductor 9189 to 14376 pF pF

Sat Unsat Initials

PROCEDURAL STEP 1

BLOCK 1A (6-2.22d): System Tag Out

System Secured and Tagged Out Signature/Date

BLOCK 1B (6-2.27): Visual Inspection

Condition of Cable Connector Sat Unsat Initials

Condition of Hull Penetrator Sat Unsat Initials

6-39 S0600-AA-PRO-060

DATA REPORT FORM 1 Page 3 of 9

BLOCK 1C (6-2.28): Insulation Resistance Test (Figure 6-13) (Hull Penetrator/Internal Cabling)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Inner Shield to Outer Armor ≥ 1 Mohm Mohm

Center Conductor to Inner Shield ≥ 150 Mohms Mohms

Sat Unsat Initials

BLOCK 1D (6-2.29): Insulation Resistance Test (Transducer/TCA From Hull Penetrator)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Pin 2 to Outer Shield ≥ 1 Mohm Mohm

Pin 1 to Pin 2 ≥ 150 Mohms Mohms

Sat Unsat Initials

PROCEDURAL STEP 2

BLOCK 2A (6-2.39): Inspection of the Transducer Hull Window

Severe Gouges, Major Nicks Yes No

Biofouling FR 40 or Greater Yes No

Condition of Hull Window Sat Unsat Initials

BLOCK 2B (6-2.42): Inspection of the Transducer Window

Cuts, Cracks, Bubbles, or Other Defects Yes No

Separation Between Rubber and Steel Body Yes No

Condition of Transducer Rubber Face Sat Unsat Initials

BLOCK 2C (6-2.56): Inspection of TCA Transducer Connector and Transducer Receptacle

TCA Transducer Connector Sat Unsat

Transducer Receptacle Sat Unsat Initials

6-40 S0600-AA-PRO-060

DATA REPORT FORM 1 Page 4 of 9

Figure 6-13. Transducer Cable Assembly Transducer Receptacle Test Point Identification.

6-41 S0600-AA-PRO-060

DATA REPORT FORM 1 Page 5 of 9

BLOCK 2D (6-2.59): Insulation Resistance Test (Transducer)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Pin 2 to Outer Shield ≥ 1 Mohm Mohm

Pin 1 to Pin 2 ≥ 150 Mohms Mohms

Sat Unsat Initials

BLOCK 2E (6-2.70): Insulation Resistance Test (TCA)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Pin 2 to Outer Shield ≥ 1 Mohm Mohm

Pin 1 to Pin 2 ≥ 150 Mohms Mohms

Sat Unsat Initials

PROCEDURAL STEP 3

BLOCK 3A (6-2.90): Insulation Resistance Test (Transducer/TCA Dockside)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Pin 2 to Outer Shield ≥ 1 Mohm Mohm

Pin 1 to Pin 2 ≥ 150 Mohms Mohms

Sat Unsat Initials

BLOCK 3B (6-2.98): Insulation Resistance Test (Transducer/TCA Shipboard)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Pin 2 to Outer Shield ≥ 1 Mohm Mohm

Pin 1 to Pin 2 ≥ 150 Mohms Mohms

Sat Unsat Initials

6-42 S0600-AA-PRO-060

DATA REPORT FORM 1 Page 6 of 9

BLOCK 3C (6-2.107): Insulation Resistance Test (TCA/Transducer From Junction Box)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Inner Shield to Outer Armor ≥ 1 Mohm Mohm

Center Connector to Inner Shield ≥ 150 Mohms Mohms

Sat Unsat Initials

BLOCK 3D (6-2.108d): Capacitance (Transducer/TCA From Junction Box)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Inner Shield to Center Conductor 9189 to 14376 pF pF

Sat Unsat Initials

PROCEDURAL STEP 5

BLOCK 5A (6-2.125): Insulation Resistance Test (Transducer)

Transducer Serial No.

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Pin 2 to Outer Shield ≥ 1 Mohm Mohm

Pin 1 to Pin 2 ≥ 150 Mohms Mohms

Sat Unsat Initials

BLOCK 5B (6-2.126d): Capacitance (Transducer)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Pin 1 to Pin 2 7210 to 12409 pF pF

Sat Unsat Initials

BLOCK 5C (6-2.127): Insulation Resistance Test (TCA)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Pin 2 to Outer Shield ≥ 1 Mohm Mohm

6-43 S0600-AA-PRO-060

DATA REPORT FORM 1 Page 7 of 9

BLOCK 5D (6-2.135): Insulation Resistance Test (Transducer/TCA)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Pin 2 to Outer Shield ≥ 1 Mohm Mohm

Pin 1 to Pin 2 ≥ 150 Mohms Mohms

Sat Unsat Initials

BLOCK 5E (6-2.142): Insulation Transducer Face

Condition of Transducer Rubber Face

Sat Unsat Initials

BLOCK 5F (6-2.151): Bolt Torquing

Transducer Retaining Bolts Torqued to 250 foot-pounds. Initials

BLOCK 5G (6-2.160): Insulation Resistance Test (Transducer/TCA From Hull Penetrator)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Pin 2 to Outer Shield ≥ 1 Mohm Mohm

Pin 1 to Pin 2 ≥ 150 Mohms Mohms

Sat Unsat Initials

BLOCK 5H (6-2.168): Insulation Resistance Test (Transducer/TCA From Junction Box)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Inner Shield to Outer Armor ≥ 1 Mohm Mohm

Center Conductor to Inner Shield ≥ 150 Mohms Mohms

Sat Unsat Initials

BLOCK 5I (6-2.169d): Capacitance (From Junction Box)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Inner Shield to Center Conductor 9189 to 14376 pF pF

6-44 S0600-AA-PRO-060

DATA REPORT FORM 1 Page 8 of 9

PROCEDURAL STEP 6

BLOCK 6A (6-2.189): TCA transducer Connector and Transducer Receptacle Inspection

Condition of TCA

Transducer Connector Sat Unsat Initials

Condition of Transducer Receptacle Sat Unsat Initials

BLOCK 6B (6-2.198): Insulation Resistance Test (TCA)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Pin 2 to Outer Shield ≥ 1 Mohm Mohm

Pin 1 to Pin 2 ≥ 150 Mohms Mohms

Sat Unsat Initials

BLOCK 6C (6-2.199): Insulation Resistance Test (Transducer)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Pin 2 to Outer Shield ≥ 1 Mohm Mohm

Pin 1 to Pin 2 ≥ 150 Mohms Mohms

Sat Unsat Initials

BLOCK 6D (6-2.200d): Capacitance (Transducer)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Pin 1 to Pin 2 7210 to 12409 pF pF

Sat Unsat Initials

BLOCK 6E (6-2.207): Insulation Resistance Test (Transducer/TCA)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Pin 2 to Outer Shield ≥ 1 Mohm Mohm

Pin 1 to Pin 2 ≥ 150 Mohms Mohms

6-45 S0600-AA-PRO-060

DATA REPORT FORM 1 Page 9 of 9

BLOCK 6F (6-2.216): Inspection of Transducer Face

Condition of Transducer Rubber Face Sat Unsat Initials

BLOCK 6G (6-2.225): Bolt Torquing

Transducer Retaining Bolts Torqued to 250 foot-pounds. Initials

BLOCK 6H (6-2.230): Insulation Resistance Test (Transducer/TCA From Hull Penetrator)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Pin 2 to Outer Shield ≥ 1 Mohm Mohm

Pin 1 to Pin 2 ≥ 150 Mohms Mohms

Sat Unsat Initials

BLOCK 6I (6-2.238): Insulation Resistance Test (Transducer/TCA From Junction Box)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Inner Shield to Outer Armor ≥ 1 Mohm Mohm

Center Connector to Inner Armor ≥ 150 Mohms Mohms

Sat Unsat Initials

BLOCK 6J (6-2.239d): Capacitance (Transducer/TCA From Junction Box)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Inner Shield to Center Conductor 9189 to 14376 pF pF

Sat Unsat Initials

PROCEDURAL STEP 7

BLOCK 7A (6-2.251): Window Capscrew Torquing

Capscrews torqued to 125 inch-pounds. Initials

BLOCK 7B (6-2.254): Transmit Power Level

Sat Unsat Initials

6-46 S0600-AA-PRO-060

SECTION 3 FAULT ISOLATION AND REPLACEMENT PROCEDURES FOR THE AN/BQN-25 (TR-143) TRANSDUCER/TRANSDUCER CABLE ASSEMBLY IN TRIDENT II D5 SUBMARINES 6-3.1 GENERAL 6-3.7 REFERENCE DOCUMENTS

6-3.2 This section provides detailed proce- 6-3.8 The drawings, technical manuals, hand- dures that direct divers and other repair per- books and instructions listed in the following sonnel through the proper sequence of events paragraphs support the information contained to identify and isolate electrical faults in the in this chapter. Each document is unique in AN/BQN-25 (TR-143) Transducer/transducer subject matter, therefore all documents listed cable assembly (TCA) and to repair or replace must be available for ready reference while the components as necessary to restore the conducting underwater transducer/TCA repair system to operating condition. Figure 6-14 is a procedures. flow diagram of the procedures. 6-3.9 DRAWINGS 6-3.3 The successful completion of these procedures requires close coordination between a. NAVSEA 113-4695779, Foundation, these activities: lead work center (LWC), rig- AN/BQN-3 gers (RIG), divers (DV) and ship’s force (SHIP) personnel. The activity responsible for performing each step in these procedures is b. NAVSEA 101-4640634, NonPressure identified in parentheses at the beginning of Hull Frames 20, 21 and 22 the step. c. NAVSEA 113-4642918, Navigation 6-3.4 RECORDING RESULTS OF TESTS Sonar System Installation Details, AND INSPECTIONS Foundation Depth Sounder Transduc- ers 6-3.5 The results of the various tests and inspections conducted in the preliminary and 6-3.10 TECHNICAL MANUALS AND HAND- procedural steps must be recorded in the BOOKS appropriate blocks of the Data Report Form 2. a. SSP 0652-027-7, Trident II SWS Navi- 6-3.6 Each test called out in the procedures is gation Second Level Maintenance referenced to a block in the Data Report Form. Manual, Vol. 3 Each block in the form is identified by the applicable procedural step number and a capi- b. NAVSEA 0900-LP-091-6010, Subma- tal letter within each procedural step. Blocks in rine Fastening Criteria for Pressure the preliminary procedures portion of Data Containing Systems Report Form 2 are identified by letters only. The paragraph number which requires the test is shown in parentheses after the block num- c. NAVSEA S0900-000-PRO-000/ MLDG ber. Where applicable, acceptable test values MAN, Molding and Inspection Proce- are given in the test-result block. The entire dures for Fabricating Connector Plugs Data Report Form 2, pages 6-73 through 6-78, for Submarine Outboard Cables may be reproduced and maintained at the work site as a part of the quality control pack- d. NAVSEA S9165-AC-HBK-010, Sub- age required by applicable regulations. marine Sonar Dome Handbook

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Figure 6-14. Flow Diagram of TR143 Transducer Fault Isolation and Replacement.

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e.NAVSEA S9086-CQ-STM-000/081, 6-3.12 EQUIPMENT AND MATERIAL Waterborne Underwater Hull Cleaning REQUIREMENTS of Navy Ships 6-3.13 SUPPORT AND TEST EQUIPMENT. f. CPG-1060, Procedures for Wiring, Molding, Inspecting and Testing of The equipment listed below is required to con- Pressure Proof Electrical Connectors duct underwater transducer/TCA repairs. The for Trident Submarines equipment should be assembled on site and tested or calibrated as required before the g. CPG-1145, Installation Procedures Tri- task begins. dent Outboard Electrical Harness and Hull Penetrations a. Insulation Test Set, Biddle 2116OW/21963C h. Standard Maintenance Procedure b. Chain Hoist, 1-ton capacity, Beebe (SMP) 34-4404 International, Inc. Model C3H010 with a 30-foot load chain vice the standard i. Standard Maintenance Procedure 10-foot chain (Beebe, 2724 6th Ave. S., (SMP) 34-4405 Seattle, WA 98314)

j. NAVSEA S9061-AA-MMA-010/ c. Transducer Lifting Device, EB Div S- SSBN/726CL, Maintenance and Drawing (S-9747) Repair Instructions, Pressure Hull Electrical Penetrations and Associated d. Impedance Bridge ELA 250 DE/1325 Outboard Components e. Hydraulic Impact Wrench with Power k. SSP 57650 (TRIDENT II), Trident SWS Unit Navigation Subsystem Standard Oper- ating Procedures, Volume 1 f. Torque Wrenches, Click Type (1) 0- 350 foot-pound capacity, (2) 0-100 6-3.11 SAFETY REFERENCES foot-pound capacity, (3) 0-150 inch- pound capacity a. OPNAVINST 5100.19A, Navy Safety g. Pin Spanner Wrench, 1/8-inch dia. pin, Precautions for Forces Afloat 1-1/4 to 3-inch capacity

b. COMSUBLANTINST 5101.2, Stan- h. Claw Spanner Wrench, 2 to 4-3/4 inch dard Tag-Out Procedures capacity

c. COMSUBPACINST 5101.4D, Equip- i. 5/16", 3/8", and 1/2" Hex Key Sockets ment Tag-Out Procedures 1/2" Drive (2 each)

d. NAVSEA 0994-LP-001-9010, U.S. j. Tap, bottom 1/4"-28 UNF Navy Diving Manual, Volume 1, Air Div- ing k. Screwdriver, wide blade

6-49 S0600-AA-PRO-060

l. Allen Wrench Set b. (SHIP) Tag-out circuit breakers IAW Safety References (b) and (c). m. Breaker Bar (3/4" Drive) c. (SHIP) Disconnect transducer buss n. 3/4" hex key socket (3/4" Drive) bars.

d. (LWC) Complete Block 1A of the Data o. Transducer face protective cover. Report Form 2.

6-3.14 MATERIALS 6-3.22 (LWC) Remove the topside sonar cavity deckplate at frame 22 utilizing a 7/32" allen The materials listed in Table 6-2 must be wrench and attach a CAUTION tag that states: obtained and positioned in the immediate “DO NOT CLOSE SONAR CAVITY WITH- vicinity of the job site before beginning under- OUT CONTACTING LEAD WORK CEN- water transducer/TCA repairs. TER.”

6-3.15 PRELIMINARY PROCEDURES 6-3.23 (LWC) Pump port and starboard sonar cavities dry. 6-3.16 Before beginning the fault isolation and replacement procedures, conduct the fol- 6-3.24 (LWC) Remove starboard sonar cavity lowing tests to determine whether or not an interior deck plate. Flush area around hull electrical fault exists. penetrators with fresh water. Pump dry.

6-3.17 (LWC) Conduct an insulation resis- NOTE tance test (SMP 34-4404) on the affected unit (starboard or port unit) and record the results The terminology for the compo- in Block A on the Data Report Form 2. nents of the TCA, the transducer, and the hull penetrator is 6-3.18 (LWC) Review Navigational Operating given in Figure 6-15 and is Procedure (paragraph 6-3.10 j), Data Sheet 7, used throughout these proce- from the ship’s records to determine whether dures. the transducer was operable from the last at- sea data recorded. 6-3.25 (LWC) Disconnect the TCA from the hull penetrator on the affected unit (cable 3752W01-EHF64 - Starboard, 3753W01- 6-3.19 PROCEDURAL STEP 1: FAULT ISO- EHF65 - Port) using the spanner wrench. LATION 6-3.26 (LWC) Visually inspect the TCA and 6-3.20 (LWC) Isolate the fault to either the the hull penetrator for O-ring damage or leak- internal cabling/hull penetrator or to the trans- age indication. Record serial number of transducer/TCA. ducer and the results of the inspection in Block 1B of the Data Report Form 2. 6-3.21 (LWC) Request ship’s force to secure power and tag-out the system. 6-3.27 (LWC) Conduct an insulation resistance test on the hull penetrator and the inter- a. (SHIP) De-energize circuit breakers nal cabling and record the results in Block 1C 54-59 in the 1 SFA switchboard. of the Data Report Form 2.

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Figure 6-15. BQN-25/TR143 Transducer Cable Assembly Components.

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Table 6-2. List of Materials.

Item No. Description Qty Part No.

1 Termalene Grease 1 35 lb. pail NSN: 9G-9150-01-306-9167 Item 7292-1A Bel Ray Co. Inc. Farmingdale N.J. 07727 Note: Termalene can also be ordered directly from vendor in 14-1/2 oz cartridges, 12 per case 2 O-Ring (Hull Penetra- as needed NSN: 9Z-5330-00-543-3041 tor) P/N: M83248/1-220 3 Gasket (TCA Hull Con- as needed NSN: IH-5330-01-230-7691 nector) P/N: CPG 1027/1-031 4 O-Ring (Transducer as needed NSN: 9Z-5330-00-166-1026 Receptacle Face) P/N: M83248/1-027 5 O-Ring (Interior Trans- as needed NSN: 9Z-5330-00-727-2637 ducer Receptacle) P/N: M83248/1-023 6 Nylon Cable Ties 1 Pkg. NSN: 9G-5975-00-074-2072 7 Nylon line, 1/2” 200 feet NSN: 9Z-4020-01-225-0886 8 TCA Hull Connector 2 M24231/3-020** (TR143 & Sealing Plug Modified TR333) with “D” Ring 9 Hull Penetrator Cap 2 M24231/13-011** (TR143 & TR333) 10 TCA Transducer Con- 2 MSS-K-DSR*** nector Plug NSN: 1HM-000-LL-TSC-9701 11 Transducer Recepta- 2 MSS-K-DSP*** cle Cap NSN: 1HM-000-LL-TSC-9700 12 O-Ring Lubricant as needed MIL-C-21567 (G-697) NSN: 9G-6850-00-702-4297 13 TR 143 Hull Window 2 5/8" - 11 UNC x 6" Manufac- Mounting Guide Studs tured from Threaded Steel with: Rod NSN: 9Z-5306-00-903-3538 (a) Flat Washers 2 5/8" I.D. MS27183-21 NSN: 9Z-5310-00-003-9174

(b) Hex Nuts 2 5/8" - 11 UNC NSN: 9Z-5310-00-763-8920

6-52 S0600-AA-PRO-060

Table 6-2. List of Materials - Continued.

Item No. Description Qty Part No.

14 5/8" Eyebolts (weight- 85/8" - 11 UNC MS 51937-7 tested to 680 lbs. mini- NSN: 9Z-5306-00-017-0810 mum) 15 U-Channel Rubber for as needed Neoprene Channel, 1/2" Banding Groove 96" Long NSN: 9G-9390-00-872-6393 16 Stainless Steel Band- as needed 1/2" Banding Roll ing Roll NSN: 9Q-8135-01-023-4126 17 Stainless Steel as needed NSN: 9Z-5340-00-244-7325 Buckle/Seal 18 BQN-3/TR143 Trans- as required NSN: 8P-5845-00-724-8307 ducer GE P/N 03538-7325806G2 19 Spare Transducer 8 Capscrews, Socket Head, Mounting Bolts NiCuAl, 1" - 8 UNC 3A x 3-3/4" FF-S-86 Type VI (Procure Locally) 20 Preterminated & Pre- 1 tested Transducer Cable Assembly (TCA): (a) Transducer Cable NSN: 8P-6605-LL-S00-2983 Assembly (includes GE P/N 03538-77C716472P1 TCA Transducer Con- nector) (b) O-Ring Transducer NSN: 9Z-5330-00-729-4992 Receptacle face P/N: M83248/1-027 [part of item 20 (a)] (c) O-Ring Interior NSN: 9Z-5330-00-727-2637 Transducer Receptacle P/N: M83248/1-023 [part of item 20 (a)] (d) TCA Hull Connector NSN: 1H-5935-01-243-2429 (Kit) P/N: CPG 1027/1-108**** (e) Flat Gasket NSN: 1H:5330-01-230-7691 P/N: CPG 1027/1-031**** [part of item 20 (d)] (f) O-Ring NSN: 9Z-5330-00-166-8411 M83248/1-220 [part of item 20 (d)]

6-53 S0600-AA-PRO-060

Table 6-2. List of Materials - Continued

Item No. Description Qty Part No.

21 3/4 inch Galvanized 1 NSN: 9Z-4030-00-185-0489 Shackle (weight tested to 1,200 lbs) 22 O-ring Removal Tool 1 Manufacture locally using stainless steel round bar, NSN: 9Z-9505-00-189-0574 (see Figure 6-40) 23 Cable Clamp Screw 2 10-32 UNF-3A x 1" Long CRES Socket Head Cap- screw MS16996-14 NSN: 9Z-5305-00-068-5408 24 60 ft. Wire Rope Pen- 1 3/8" x 60" with Soft Eye dent manufactured Swaged Each End (Manufac- from: ture Locally and weight test to 1,200 lbs.)

(a) Wire Rope, CRES as needed NSN: 9Z-4010-00-222-4493 3/8"

(b) Swage Sleeve as needed NSN: 9Z-4030-00-445-6210 25 Isopropyl Alcohol 1 qt. NSN: 9G-6810-00-983-8551 26 Cotton Swabs 1 pkg. NSN: 9L-6515-00-303-8250 27 TR143 Hull Window Screws

(a) Mtg Screws 20 5/8"-11 UNC-3A x 2-1/4" long, Spec FF-S-86 Type IV (see item 42 on Ref. 6-3.9a

(b) Lanyard Screws 2 3/8"-16 UNC-3A x 1-3/4" long, FF-S-92 Type 1 style 25 (item 8 on Ref. 6-3.9a)

6-54 S0600-AA-PRO-060

Table 6-2. List of Materials - Continued.

Item No. Description Qty. Part No.

28 TR143 Transducer 41.0"-8 UNC x 36" Manufac- Guide Rods with: tured from threaded steel rod NSN: 9Z-5306-00-903-3541 (a) Flat Washers 8 1.03" ID NSN: 9Z-5310-00-149-9141 (b) Hex Nuts 8 1.0"-8 UNC NSN: 9Z-5310-00-762-6248 ** Part numbers beginning with “M” refer to D.G. O’Brien, Inc., P.O. Box 159, Seabrook, NH, 03874 (CAGE: 17476), part numbers (see first footnote). *** Part numbers beginning with “MSS” refer to Brantner & Associates, 1240 Vernon Way, El Cajon, CA, 92020-1839 (CAGE: 15739), part numbers (see first footnote.) **** Part numbers (P/N) beginning with “CPG” refer to General Dynamics, Electric Boat Divi- sion, 4 Eastern Point Rd., Groton, CT 06340-4947 (CAGE: 96169), part numbers (see first footnote).

NOTE discontinue these procedures and continue with paragraph 6- If ALL of the actual recorded 2.99. (Disregard paragraph 6- values equal or exceed the 2.106.) If ANY of the recorded specified acceptable values, values are less than the install the hull penetrator cap acceptable values, continue (item 9, Table 6-2) on the hull with procedural step 2, para- penetrator and continue with graph 6-3.30. paragraph 6-3.28. If ANY of the recorded values are less than 6-3.29 PROCEDURAL STEP 2: FURTHER the acceptable values, perform FAULT ISOLATION corrective maintenance on the hull penetrator and internal 6-3.30 (LWC) Remove the old gasket (item 3, cabling and return to paragraph Table 6-2) from the TCA hull connector and 6-3.27. the old O-ring from the TCA hull connector plug (item 8, Table 6-2) (Figure 6-16). 6-3.28 (LWC) Conduct an insulation resistance test on the transducer/TCA and record CAUTION the results in Block 1D of the Data Report Form 2. Damage to the O-ring or gasket mating surfaces may cause NOTE improper seating and permit leakage. Use extreme care to If ALL of the actual recorded prevent damage to these sur- values equal or exceed the faces while installing the O-ring specified acceptable values and gasket.

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Figure 6-16. Connection of TR143 Transducer Cable Assembly Hull Connector to Hull Penetrator.

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NOTE window during removal. Ensure that the lanyard is in place and Lubricate all gaskets and O- securely attached before rings with item 12, Table 6-2. releasing the window. 6-3.36 (DV) Inspect the transducer acoustic 6-3.31 (LWC) Lubricate and install a new TCA hull connector gasket (item 3, Table 6-2). hull window being particularly attentive to the Lubricate and install a new hull penetrator O- presence of the following abnormal conditions: ring (item 2, Table 6-2) on the TCA hull connector plug (item 8, Table 6-2) a. Severe gouges and major nicks (reference NAVSEA S9165-AC-HBK-010, 6-3.32 (LWC) Install the TCA hull connector Submarine Sonar Dome Handbook, plug (item 8, Table 6-2) into the TCA hull con- paragraph 6-3.10e) nector, align the keying and tighten hand- tight. b. Biofouling FR 40 or greater (reference NAVSEA S9086-CQ-STM-000/081, 6-3.33 (LWC) Attach a 1/2-inch nylon line Waterborne Underwater Hull Cleaning (item 7, Table 6-2) to the TCA hull connector of Navy Ships, paragraph 6-3.10f) plug and secure the line inside the topside sonar cavity. c. Report the findings of the inspection to the LWC supervisor. 6-3.34 (LWC) Remove the banding from the transducer cable. 6-3.37 (LWC) Complete Block 2A of the Data Report Form 2. 6-3.35 (DV) Notify ship when divers are ready to enter the water. NOTE

a. (SHIP) Pass the word that divers are in If the diver’s report of inspec- the water. tion findings indicates severe damage or biofouling, remove b. (DV) Remove the transducer hull win- the window for repair and/or dow (Figure 6-17) by removing the 20 cleaning. If window must be 5/8-inch capscrews from the trans- removed mark window as Port ducer hull window using a 3/8-inch or Starboard. Allen wrench. 6-3.38 (DV) Install 5/8"-11 UNC x 6" long NOTE threaded rod (item 13, Table 6-2) in aft outboard window mounting hole and rotate win- The use of a wide blade screw- dow on rod until it is out of the way. Install flat driver may be necessary to washer and 5/8"-11 UNC nut (item 13, Tab l e remove the window from the 6-2) and tighten to hold window in place. opening. 6-3.39 (DV) Inspect the transducer being par- CAUTION ticularly attentive to the presence of the following abnormal conditions: A nylon lanyard is attached to a padeye inside the cavity and to a. Cuts, cracks, bubbles or other defects a padeye on the transducer hull on the rubber transducer acoustical window to prevent loss of the window covering.

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Figure 6-17. Transducer Hull Acoustic Window.

6-58 S0600-AA-PRO-060

b. Any signs of separation between the OR (more often) the running rubber transducer acoustical window block has flipped up and covering and the stainless steel trans- through any of the chain loops ducer body. (see figure 6-20A)

c. Report the finding of the inspection to All chain hoists and chain falls the LWC supervisor. issued with NAVSEA SUP- SALV Underwater Ship Hus- 6-3.40 (LWC) Complete Block 2B of the Data bandry equipment kits have Report Form 2. been checked for chain twist and the chain hoist/fall has NOTE been loosely two-blocked so that the running block can not The transducer/cable connec- flip over into the working chain tion is not waterborne demate- loops during shipment. able. The transducer and cable OPERATORS must ensure must be removed as an assem- that the running block is not bly. flipped over into the chain loops creating chain twist while NOTE deploying and rigging the chain hoists/falls. The transducer should be replaced if signs of separation To check for chain twist in the exist between the rubber trans- chain loop: ducer acoustical window covering and the stainless steel Hang the hoist from the top transducer body. hook in a safe, accessible loca- tion. Tighten the hoist until less 6-3.41 PROCEDURAL STEP 3: REMOVAL then one foot of separation AND RELACEMENT OF A TRANSDUCER exists between the hoist body AND TRANSDUCER CABLE ASSEMBLY and the running block. The short throw allows for much 6-3.42 (DV) Install four 5/8-inch weight tested easier visual detection of twist eyebolts (item 14, Table 6-2) on the trans- in the individual chain reeves. ducer. Confirm that none of the chain lengths running from the work- 6-3.43 (DV) Attach the transducer lifting chain sprocket to the run- ing device to the four eyebolts ning chain sprocket (chain (Figure 6-18). reeves) have any twist caused by the running block being flipped over and through the CAUTION loop of the chain. If ANY chain twist is detected, flip the run- Chain twist in the working chain ning block back through the loops of manual chain hoists chain loop until the twist is and chain falls will cause chain removed. If ANY twist can not failure. Chain twist in the work- be removed by flipping the run- ing chain loop occurs when the ning block, the hoist chain chain has an improper reeve MUST be removed from the through the chain sprockets hoist body and re-reeve exer-

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cising care not to twist the b. Install flat washers and nuts such that chain during installation.. the weight of the transducer is supported by the threaded rods and chain hoist.

6-3.47 (DV) Remove the four remaining 1- inch transducer retaining bolts.

WARNING

Uncontrolled movement of the 600-pound transducer can result in serious personal injury or property damage. Ensure that divers and diver’s umbili- Fig. 6-20A Typical Running Block Flip (one or cals are clear of the transducer two part chain reeve) cavity and the transducer cavity edges while handling the trans- 6-3.44 (DV) Attach a chain hoist to the ducer. welded padeye on the sea chest overhead within the transducer foundation. 6-3.48 (DV) Ensure that the transducer is totally supported by the chain hoist. 6-3.45 Connect the chain hoist lifting chain to the transducer lifting device and remove all slack from the lifting chain (Figure 6-19).

WARNING

Uncontrolled movement of the 600-pound transducer may result in serious personal injury or property damage. Do not loosen the transducer retaining bolts more than four turns until it can be verified that the transducer is totally supported by the chain hoist.

6-3.46 (DV) Use a hydraulic impact wrench to loosen the eight 1-inch transducer retaining bolts no more than four turns (Figure 6-20).

a. Remove four of the mounting bolts and install threaded rod 36" long (item 28, Table 6-2)

6-59A Change 1 S0600-AA-PRO-060

THIS PAGE LEFT BLANK INTENTIONALLY

Change 1 6-59B S0600-AA-PRO-060

Figure 6-18. Transducer Lifting Device Installed.

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Figure 6-19. Chain Hoist Rigged.

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Figure 6-20. TR-143 Transducer Retaining Bolts.

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6-3.49 (DV) By loosening the nuts and using 6-3.59 (LWC) Uncoil the TCA from the top of the chain hoist, lower transducer until it is just the transducer. below the hull. 6-3.60 (LWC) Loosen the Allen set screw 6-3.50 (DV/LWC) Lower the cable down the (3/32-inch Allen recess) on the TCA trans- conduit, loosely coil and secure to lifting ducer connector, and disconnect the TCA device with cable ties. Tie off 1/2" nylon line in from the transducer by turning the connector sea chest. ring counterclockwise (Figure 6-24).

6-3.51 (DV) Remove 1”-8 UNC nuts and then 6-3.61 (LWC) Inspect the TCA transducer slack off on the chain hoist to lower the trans- connector and the transducer receptacle for ducer far enough that the transducer lifting correct O-ring seating and indications of flood- device clears the sea chest and is accessible ing. Record the results of the inspection in to attach a shackle (approximately 3 or 4 feet) Block 3A of Data Report Form 2. (Figure 6-21). 6-3.62 (LWC) Use a 5/32-inch Allen wrench 6-3.52 (RIG) Attach a 60-foot wire rope pen- to remove the TCA cable clamp from the cable dant (item 24, Table 6-2) to the hook of the clamp support and remove the cable from the shore crane. support. 6-3.63 (LWC) Replace the TCA cable clamp 6-3.53 (RIG) Lower the 60-foot wire rope pen- on the cable clamp support to prevent its loss. dant into the water deep enough to allow divers to attach it to the transducer lifting 6-3.64 (LWC) Conduct an insulation resis- device. tance test on the TCA and record the results in Block 3B on Data Report Form 2. 6-3.54 (DV) Swim the lazy end of the 60-foot wire rope pendant to the transducer and 6-3.65 (LWC) Conduct an insulation resis- shackle the eye of the pendant to the trans- tance test on the transducer and record the ducer lifting device. results in Block 3C on Data Report Form 2.

6-3.55 (RIG/DV) Yard and stay the trans- 6-3.66 (LWC) Measure the capacitance of the ducer by alternately slacking the chain hoist transducer. Record the serial number of trans- and heaving in on the crane hook (Figure 6- ducer on Data Report Form 2. 22). a. Set the impedance bridge for 1,000 Hz. 6-3.56 (DV) Disconnect the chain hoist lifting chain from the transducer lifting device when b. Connect the inner shield to BRIDGE the transducer is plumbed under the shore COMMON. crane hook. c. Connect the center conductor to 6-3.57 (RIG) Raise the transducer to pier and BRIDGE HI. lower onto protective face plate that has been placed on a pallet. Carefully align protective d. Record the results in Block 3D of Data face plate threaded mounting holes (4) with Report Form 2. corresponding transducer mounting holes as transducer is being lowered (Figure 6-23). NOTE

6-3.58 (RIG) Remove the 60-foot wire rope The results of the tests con- pendant from the transducer lifting device. ducted in paragraphs 6-3.64

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Figure 6-21. Diver Operating Chain Hoist.

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Figure 6-22. Yard and Stay Rig.

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Figure 6-23. TR143 Transducer Protective Face Plate Installation.

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Figure 6-24. Connection of Transducer Cable Assembly Transducer Connector to Transducer Receptacle.

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through 6-3.66 will determine 6-3.74 (LWC) Lubricate and install two new whether the transducer or the O-rings (items 4 and 5, Table 6-2) on the TCA or both are defective. Dis- transducer receptacle. position failed components IAW paragraphs 6-3.67 - 6-3.72. 6-3.75 (LWC) Attach the TCA transducer con- After the defective compo- nector to the transducer receptacle, align the nent(s) have been replaced or key and tighten hand-tight. repaired, the tests in paragraphs 6-3.64 through 6-3.66 6-3.76 (LWC) Use a 3/32-inch Allen wrench should be conducted again to tighten the set screw in the knurled ring. until satisfactory results are NOTE achieved. The purpose of the set screw is to prevent the knurled ring from CAUTION loosening. Do not overtighten the set screw. Damage to the O-ring seating surfaces may cause improper 6-3.77 (LWC) Use a 5/32-inch Allen wrench seating and permit leakage. to remove the TCA cable clamp from the cable Use extreme care to prevent clamp support, align the cable in the support damage to these surfaces and reattach the TCA cable clamp. while installing the O-rings. 6-3.78 (LWC) Conduct an insulation resis- 6-3.67 (LWC) Obtain TCA transducer con- tance test and capacitance check on the nector plug (item 10, Table 6-2), replacement transducer/TCA and record the results in Block 3E of the Data Report Form 2. 6-3.68 (LWC) Install the TCA transducer con- NOTE nector plug on the TCA transducer connector, align the key and tighten hand-tight. If the actual recorded values equal or exceed the specified acceptable values, continue 6-3.69 (LWC) Obtain transducer receptacle with these procedures at para- cap (item 11, Table 6-2). graph 6-3.80. If the actual recorded values are less than 6-3.70 (LWC) Install the transducer recept- the acceptable values, discon- acle cap on the transducer receptacle, align nect the cable assembly from the keying and tighten hand-tight. the transducer and return to the procedural step at paragraph 6- 6-3.71 (LWC) Take the failed TCA to the 3.64 for fault isolation and prob- repair shop for problem isolation; repair if nec- lem resolution. essary; and retest. WARNING 6-3.72 (LWC) Inspect all connector surfaces on both the transducer and the cable to ensure that they are clean, dry and free of Do not attempt to rig the trans- contaminants. ducer using existing eyebolts. Eyebolts supplied with the 6-3.73 (LWC) Clean the connector surfaces transducer may fail during han- as necessary using isopropyl alcohol and cot- dling. Use only item 14, Tab l e ton swabs (items 25 and 26, Table 6-2). 6-2.

6-68 S0600-AA-PRO-060

6-3.79 (LWC) Install four, 5/8-inch eyebolts the transducer cavity chain hoist-lifting chain (item 14, Table 6-2) on the transducer. to the transducer lifting device.

6-3.80 (LWC) Attach the transducer lifting 6-3.89 (DV) Attach the transducer cavity device to the four eyebolts (Figure 6-18). chain hoist lifting chain to the transducer lifting device. 6-3.81 (LWC) Lubricate the gasket (item 3, Table 6-2) and install the gasket on the TCA 6-3.90 (RIG/DV) Yard and stay the trans- hull connector. ducer to the transducer cavity by alternately slacking the crane hook and heaving on the 6-3.82 (LWC) Lubricate the O-ring (item 2, chain hoist (refer to Figure 6-22). Table 6-2) and install the O-ring on the TCA hull connector plug (item 8, Table 6-2). 6-3.91 (DV) Remove nylon ties holding cable to transducer lifting device and reattach 1/2" 6-3.83 (LWC) Install the TCA hull connector nylon line to cable pull cap D ring. plug on the TCA hull connector, align the key and tighten hand-tight. 6-3.92 (DV/LWC) Pull new cable assembly through conduit. 6-3.84 (LWC) Coil the cable on top of the transducer around the transducer lifting device 6-3.93 (DV) Disconnect the 60-foot wire rope and secure it to the transducer lifting device pendant from the transducer lifting device with nylon cable ties (Figure 6-24). when the transducer is plumbed under the chain hoist. Rotate transducer such that cable 6-3.85 (RIG) Attach the 60-foot wire rope above transducer forms a lazy S. There is no pendant suspended from the shore crane other azimuth alignment requirement for trans- hook to the transducer lifting device. ducer.

6-3.86 (RIG) Lift the transducer to a conve- WARNING nient height and remove the transducer protective faceplate (refer to Figure 6-23). Uncontrolled movement or the 6-3.87 (LWC) Inspect the transducer face and 600-pound transducer may record the results of the inspection in Block 3F result in serious personal injury of the Data Report Form 2. or property damage. Ensure that divers and divers’ umbili- NOTE cals are clear of the transducer If the transducer is damaged, cavity and the transducer cavity obtain a new transducer and edges while handling the trans- return to paragraph 6-3.65. ducer.

CAUTION CAUTION Crushing or pinching the trans- Refer to Chain Hoist CAUTION ducer cable will damage the immediately before paragraph cable. Ensure that the cable 6-3.44. does not become crushed or pinched between the trans- 6-3.88 (RIG) Lower the transducer into the ducer and the transducer foun- water deep enough to allow divers to attach dation.

Change 1 6-69 S0600-AA-PRO-060

6-3.94 (DV) Take in on the transducer cavity NOTE chain hoist to lift the transducer into the cavity If the actual recorded values and approximately flush with the transducer equal or exceed the specified foundation. guide transducer over the four (4) acceptable values, continue guide rods. Guide transducer over the four (4) with paragraph 6-3.104. If the guide rods (refer to Figure 6-21). actual values are less than the acceptable values, return to 6-3.95 (DV) Coat eight 1-inch bolts (item 19, procedural step 2, paragraph 6- Table 6-2) with Termalene grease (item 1, 3.30, for fault isolation and Table 6-2). problem resolution. 6-3.96 (DV) Bolt the transducer to the founda- 6-3.102 (LWC) Remove the hull penetrator tion using the four 1-inch bolts. Remove the cap. threaded rods. Install the four (4) remaining mounting bolts. 6-3.103 Remove and discard the O-ring from NOTE the hull penetrator using the O-ring removal tool (item 22, Table 6-2). Torque the bolts in a diametrically opposed sequence in 50 6-3.104 (LWC) Clean the hull penetrator with foot-pound increments. Report a stiff-bristled brush, cotton swabs and alco- the completion of each torquing hol. sequence to the LWC supervisor. 6-3.105 (LWC) Lubricate and install a new O- ring (item 2, Table 6-2) on the hull penetrator 6-3.97 (DV) Torque the eight 1-inch bolts to and a new gasket (item 3, Table 6-2) in the 250 foot-pounds, 25 foot-pounds. TCA hull connector. 6-3.98 (LWC) Complete Block 3G of the Data 6-3.106 (LWC) Connect the TCA hull connec- Report Form 2. tor to the hull penetrator and tighten using the claw-type spanner wrench. 6-3.99 (DV) Remove the transducer cavity chain hoist, the transducer lifting device and 6-3.107 (LWC) Use nylon cable ties to tempo- the eyebolts and return them to the surface. rarily secure the transducer cable outward from the hull penetrator to the cable brackets CAUTION in the sonar cavity topside.

Acute bend radii on the cable 6-3.108 (DV) Coil the excess cable in a lazy S can cause excessive stress above the transducer. and possible damage to the cable insulation. Maintain a NOTE minimum bend radius of 4 Do not band or tie the excess inches while pulling the cable. cable in the transducer cavity. 6-3.100 (LWC) Remove the TCA hull connec- 6-3.109 (LWC) Conduct an insulation resis- tor sealing plug from the TCA hull connector. tance test (SMP 34-4404) on the transducer/TCA from the junction box and record 6-3.101 (LWC) Conduct an insulation resis- the results in Block 31 of the Data Report tance test on the transducer/TCA and record Form 2. the results in Block 3H of the Data Report Form 2.

6-70 Change 1 S0600-AA-PRO-060

NOTE 6-3.115 (SHIP) Close out the cavity, remove the CAUTION tag and reinstall the hull deck If the actual recorded values plate. equal or exceed the specified acceptable values, continue 6-3.116 (DV) Inspect the transducer cavity to with paragraph 6-3.111. If the ensure removal of all material and tools. actual values are less than the acceptable values, return to procedural step 2, paragraph 6- CAUTION 3.30, for fault isolation and problem resolution. Use of 5/8-inch 11 UNC x 2-1/4 inch capscrews to pull the win- 6-3.110 (LWC) Measure the capacitance of dow into place will result in the transducer/TCA from the junction box. damage to the window. Use the 5/8-inch 11 UNC x 6-inch studs a. Set impedance bridge for 1000 Hz. and washers (item 13, Table 6- 2) to prevent damage. b. Connect inner shield to BRIDGE COM- 6-3.117 (DV) Reinstall the transducer hull MON. window using the two 5/8-inch-11 UNC x 6- inch studs (item 13, Table 6-2) to pull the win- c. Connect the center conductor of cable dow into place. to BRIDGE HI. 6-3.118 (DV) Lubricate with Termalene d. Complete Block 3J of the Data Report grease (item 1, Table 6-2) and install 18 5/8- Form 2. inch 11 UNC x 2-1/4 inch capscrews in the NOTE remaining holes. Remove the previously installed 5/8-inch-11 UNC x 6-inch studs and If the actual recorded value is replace them with the two remaining 5/8-inch within the specified range of 11 UNC x 2-1/4 inch capscrews after lubricat- acceptable values, continue ing with Termalene grease. Torque all trans- with paragraph 6-3.112. If the ducer hull window capscrews to 55 foot- actual value is not within the pounds in a diametrically opposed sequence. specified range of acceptable Verify fairness of window to non-pressure hull values, return to procedural to ensure window is fully seated on backing step 2, paragraph 6-3.30, for bar. fault isolation and problem resolution. 6-3.119 (DV) Report completion of the torquing sequence and window fairness to the LWC 6-3.111 PROCEDURAL STEP 4: CONFIGU- supervisor. RATION RESTORATION 6-3.120 (LWC) Complete Block 4A of the 6-3.112 (LWC) Replace the nylon cable ties Data Report Form 2. in the sonar cavity with U-channel rubber and stainless steel banding (items 15 and 16, 6-3.121 (LWC) Request ship’s force to Table 6-2). remove all DANGER tags and return the sys- 6-3.113 (LWC) Reinstall the interior deck tem to operational status. Obtain bottom plate of the sonar cavity. sounding at lowest transmit power possible. 6-3.114 (LWC) Inspect the sonar penetrator 6-3.122 (LWC) Record transmit power level cavity to ensure removal of all material and required to obtain bottom sounding in Block tools. 4B of the Data Report Form 2.

Change 1 6-71 S0600-AA-PRO-060

Figure 6-25. Cable Coiled on Transducer Lifting Device.

6-72 S0600-AA-PRO-060

DATA REPORT FORM 2 Page 1 of 6

S H I P : (name and hull number)

TASK DESCRIPTION: Transducer/transducer cable (starboard or port) assembly waterborne fault isolation and replacement procedures for Trident II D5 submarines.

EQUIPMENT COMPONENT: TR-143 Transducer/transducer cable assembly (TCA).

SYSTEM: SWS NAVIGATION

RELATED MAINTENANCE: SMP 34-4404, SMP 34-4405

SUBSYSTEM: AN/BQN-25 Navigation Sonar System.

MANPOWER REQUIREMENTS:

DIVERS: Dive station manned in accordance with the requirements of NAVSEA 0994-LP-001-9010, U.S. Navy Diving Manual, Volume 1, Air Diving

SWS NAVIGATION REPAIR PERSONNEL:

Quantity Position

2 SWS Navigation Electronics Technicians or civilian System Mechanics

1 SWS Electronics Systems Quality Assurance Inspector.

MANHOUR EXPENDITURES

Procedural Step Elapsed Time (hours) X No. of Personnel = Manhours Expended

Preliminary

Step 1

Step 2

Step 3

Step 4

6-73 S0600-AA-PRO-060

DATA REPORT FORM 2 Page 2 of 6

Total Elapsed Time

Total Man-hours/Evolution

PRELIMINARY PROCEDURES

BLOCK A (6-3.17): Insulation Resistance Test (Transducer/TCA From Junction Box)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Inner Shield to Outer Armor ≥ 1 Mohm Mohm

Center Conductor to Inner Shield ≥ 150 Mohms Mohms

Sat Unsat Initials

PROCEDURAL STEP 1

Transducer Serial Number

BLOCK 1A (6-3.21d): System Tag Out

System Secured and Tagged Out Signature/Date

BLOCK 1B (6-3.26): Visual Inspection

Condition of Cable Connector Sat Unsat Initials

Condition of Hull Penetrator Sat Unsat Initials

BLOCK 1C (6-3.28): Insulation Resistance Test (Figure 6-13) (Hull Penetrator/Internal Cable)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Inner Shield to Outer Armor ≥ 1 Mohm Mohm

Center Conductor to Inner Shield ≥ 150 Mohms Mohms

Sat Unsat Initials

6-74 S0600-AA-PRO-060

DATA REPORT FORM 2 Page 3 of 6

Figure 6-26. Transducer Cable Assembly Connector Test Point Identification

6-75 S0600-AA-PRO-060

DATA REPORT FORM 2 Page 4 of 6

BLOCK 1D (6-3.28): Insulation Resistance Test (Transducer/TCA From Hull Penetrator)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Pin 2 to Outer Shield ≥ 1 Mohm Mohm

Pin 1 to Pin 2 ≥ 150 Mohms Mohms

Sat Unsat Initials

PROCEDURAL STEP 2

BLOCK 2A (6-3.37): Inspection of the Transducer Hull Acoustic Window

Severe Gouges, Major Nicks Yes No

Biofouling FR 40 or Greater Yes No

Condition of Acoustic Window Sat Unsat Initials

BLOCK 2B (6-3.40): Inspection of the Transducer Rubber Face

Cuts, Cracks, Bubbles, or Other Defects Yes No

Separation Between Rubber Face and Stainless Steel Body Yes No

Condition of Transducer Sat Unsat Initials

PROCEDURAL STEP 3

BLOCK 3A (6-3.61): Insulation of TCA Transducer Connector and Transducer Receptacle

TCA Transducer Connector Sat Unsat

Transducer Receptacle Sat Unsat Initials

BLOCK 3B (6-3.64): Insulation Resistance Test (TCA)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Pin 2 to Outer Shield ≥ 1 Mohm Mohm

Pin 1 to Pin 2 ≥ 150 Mohms Mohms

Sat Unsat Initials

6-76 S0600-AA-PRO-060

DATA REPORT FORM 2 Page 5 of 6

BLOCK 3C (6-3.65): Insulation Resistance Test (Transducer) TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE Pin 2 to Outer Shield ≥ 1 Mohm Mohm

Pin 1 to Pin 2 ≥ 150 Mohms Mohms

Sat Unsat Initials BLOCK 3D (6-3.66): Capacitance (Transducer) Serial Number TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE Pin 1 to Pin 2 7210 to 12409 pF pF

Sat Unsat Initials BLOCK 3E (6-3.79): Insulation Resistance and CapacitanceTest (Transducer/TCA) TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE Insulation Resistance

Pin 2 to Outer Shield ≥ 1 Mohm Mohm

Pin 1 to Pin 2 ≥ 150 Mohms Mohms Capacitance

Pin 1 to Pin 2 8754 to 13938 pF pF

Sat Unsat Initials BLOCK 3F (6-3.88): Insulation Transducer Face Condition of Transducer Rubber Face

Sat Unsat Initials BLOCK 3G (6-3.99): Bolt Torquing Transducer Retaining Bolts Torqued to 250 foot-pounds. Initials

BLOCK 3H (6-3.102): Insulation Resistance Test (Transducer/TCA in Ship) TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE Pin 2 to Outer Shield ≥ 1 Mohm Mohm Pin 1 to Pin 2 ≥ 150 Mohms Mohms Sat Unsat Initials

6-77 S0600-AA-PRO-060

DATA REPORT FORM 2 Page 6 of 6

BLOCK 3I (6-3.110): Insulation Resistance Test (Transducer/TCA From Junction Box)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Inner Shield to Outer Armor ≥ 1 Mohm Mohm

Center Connector to Inner Shield ≥ 150 Mohms Mohms

Sat Unsat Initials

BLOCK 3J (6-3.111d): Capacitance (From Junction Box)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Inner Shield to Center Conductor 9189 to 14376 pF pF

Sat Unsat Initials

PROCEDURAL STEP 4

BLOCK 4A (6-3.121): TR143 Acoustic Window Capscrew Torquing

Capscrews torqued to 55 ft-lbs and Window Fairness Initials

BLOCK 4B (6-3.123): Transmit Power Level

Sat Unsat Initials

6-78 S0600-AA-PRO-060

SECTION 4 FAULT ISOLATION AND REPLACEMENT PROCEDURES FOR THE AN/BQN-25 (TR-333) HYDROPHONE/HYDROPHONE CABLE ASSEM- BLY AND HYDROPHONE MOUNTING INSERT IN TRIDENT II D5 SUBMARINES

6-4.1 GENERAL a part of the quality control package required by applicable regulations. 6-4.2 This section provides detailed procedures that direct divers and other repair per- 6-4.7 REFERENCE DOCUMENTS sonnel through the proper sequence of events to identify and isolate faults in the AN/BQN-25 6-4.8 The drawings, technical manuals, hand- (TR-333) hydrophone/hydrophone cable books and instructions listed in the following assembly and hydrophone mounting inserts paragraphs support the information contained and replace the components as necessary to in this chapter. Each document is unique in restore the system to operating condition. Fig- subject matter, therefore all documents listed ure 6-27 provides an overview of these com- must be available for ready reference while ponents. conducting underwater hydrophone repair procedures. 6-4.3 The successful completion of these procedures requires close coordination between 6-4.9 DRAWINGS these activities: lead work center (LWC), rig- gers (RIG), divers (DV) and ship’s force a. NAVSEA 113-4695779, Foundations, (SHIP) personnel. The activity responsible for AN/BQN-3 performing each step in these procedures is identified in parentheses at the beginning of b. NAVSEA 101-4640634, NonPressure the step. Hull Frames 20, 21, and 22 6-4.4 RECORDING RESULTS OF TESTS AND INSPECTIONS c. NAVSEA 113-4642918, Navigation Sonar System Installation and Details, 6-4.5 The results of the various tests and Foundation, Depth Sounder Trans- inspections conducted in the preliminary and ducer procedural steps must be recorded in the appropriate blocks of the Data Report Form 3. 6-4.10 TECHNICAL MANUALS AND HAND- BOOKS 6-4.6 Each test called out in the procedures is referenced to a block in the Data Report Form a. SP 0652-027-7, Trident II SWS Navi- 3. Each block in the form is identified by the gation Second Level Maintenance applicable procedural step number and a capi- Manual, Volume 3 tal letter within each procedural step. Blocks in the preliminary procedures portion of Data b. NAVSEA 0900-LP-091-6010, Subma- Report Form are identified by letters only. The rine Fastening Criteria for Pressure paragraph number which requires the test is Containing Systems shown in parentheses after the block number. Where applicable, acceptable test values are c. NAVSEA S0900-000-PRO-000/MLDG given in the test-result block. The Data Report MAN, Molding and Inspection Proce- Form 3 (pages 6-99 through 6-109) may be dures for Fabricating Connector Plugs reproduced and maintained at the work site as for Submarine Outboard Cables

6-79 S0600-AA-PRO-060

Figure 6-27. NSS Acoustic Windows.

6-80 S0600-AA-PRO-060

d. NAVSEA S9165-AC-HBK-010, Sub- 6-4.12 EQUIPMENT AND MATERIAL marine Sonar Dome Handbook REQUIREMENTS

e.NAVSEA S9086-CQ-STM-000/081, 6-4.13 SUPPORT AND TEST EQUIPMENT. Waterborne Underwater Hull Cleaning of Navy Ships The equipment listed below is required to conduct underwater hydrophone repairs. The f. CPG-1060, Procedures for Wiring, equipment should be assembled on site and Molding, Inspecting and Testing of tested or calibrated as required before the Pressure Proof Electrical Connectors task begins. for Trident Submarines a. Insulation Test Set, Biddle g. CPG-1145, Installation Procedures Tri- 21160W/21963C dent Outboard Electrical Harness and Hull Penetrations b. Impedance Bridge ELA 250 DE/1325

h. Standard Maintenance Procedure c. Hydraulic Impact Wrench with Power (SMP) 34-4404 Unit

d. Torque Wrenches, (1) 0-350 foot- i. Standard Maintenance Procedure pound capacity, (2) 0-100 foot-pound (SMP) 34-4405 capacity and (3) 0-150 inch-pound capacity j. NAVSEA S9061-AA-MMA-010/ SSBN/726CL, Maintenance and e. Pin (1/8" dia.) Spanner Wrench, 1-1/4 Repair Instructions, Pressure Hull inch to 3-inch capacity Electrical Penetrations and Associated Outboard Components f. Claw Spanner Wrench 2 to 4-3/4- inch capacity k. SSP 57650 (TRIDENT II), Trident SWS Navigation Subsystem Standard Oper- g. Two each 5/16", 3/8", 1/2" Hex Key ating Procedures, Volume 1 Socket (1/2" Drive)

6-4.11 SAFETY REFERENCES h. Tap, bottom 1/4" 28 UNF

a. OPNAVINST 5100.19A, Navy Safety i. Screwdriver, wide blade Precautions for Forces Afloat j. Allen Wrench Set b. COMSUBLANTINST 5101.2, Stan- dard Tag-Out Procedures k. Breaker Bar (3/4" Drive)

c. COMSUBPACINST 5101.4D, Equip- l. 3/4" Hex Key Socket (3/4" Drive) ment Tag-Out Procedures m. Hydrophone Removal/Installation d. NAVSEA 0994-LP-001-9010, U.S. Rods Navy Diving Manual, Volume 1, Air Div- ing n. Hydrophone Insert Removal Tool

6-81 S0600-AA-PRO-060

6-4.14 MATERIALS 6-4.21 (LWC) Utilizing Figure 6-28, identify hydrophone cable to be replaced. Unband The materials listed in Table 6-3 must be cable from slack rack. Disconnect proper obtained and positioned in the immediate hydrophone cable connector from hull pene- vicinity of the job site before beginning under- trator. Refer to Figures 6-28, 6-29 and 6-30. water hydrophone repairs. 6-4.22 (LWC) Visually inspect cable connector and hull penetrator for damage or indica- 6-4.15 PRELIMINARY PROCEDURES tion of leakage. Record results on Data Report Form 3 Block 1B. 6-4.16 (LWC) Confirm which hydrophone/cable assembly (assemblies) is/are defective by conducting an insulation resis- CAUTION tance test (SMP 34-4405). Record results on Data Report Form 3 Block A. Ensure inboard cable is disconnected from preamp prior to accomplishing paragraph 6- 6-4.17 PROCEDURAL STEP 1: FAULT ISO- 4.23. LATION 6-4.23 (LWC) Conduct an insulation resis- 6-4.18 (LWC) Request ship’s force to secure tance test on the hull penetrator and inboard power by deenergizing circuit breakers 54 cable and record results on Data Report Form through 59 in 1SFA switchboard and tag out 3 Block 1C. the AN/BQN-25 system (paragraph 6-4.11b and/or 6-4.11c). Record results on Data NOTE Report Form 3 Block 1A. If ALL the actual recorded val- 6-4.19 (SHIP) Remove the topside sonar ues equal or exceed the speci- penetrator cavity cover plate at frame 22 fied acceptable values, install (paragraph 6-4.9b). Attach a CAUTION tag the hull penetrator cap (item 7, that states “DO NOT CLOSE SONAR CAVITY Table 6-3) on the hull penetra- WITHOUT CONTACTING THE LEAD WORK tor and continue with para- CENTER.” graph 6-4.25. If ANY of the recorded values are less than the acceptable values, perform 6-4.20 (LWC) Pump sonar penetrator cavity corrective maintenance on the dry. Flush area around the hull penetrators hull penetrator and internal with fresh water. Pump out resultant water. cabling and return to paragraph 6-4.16. NOTE 6-4.24 PROCEDURAL STEP 2: HYDRO- If multiple hydrophones require PHONE REMOVAL replacement, only one connector may be disconnected at a 6-4.25 (LWC) Install connector plug with ‘D’ time. This must be done to Ring (item 6, Table 6-3) on cable. avoid reconnecting a hydrophone cable to the incorrect 6-4.26 (LWC) Remove banding from hydro- hull penetrator. phone cable in sonar penetrator cavity.

6-82 S0600-AA-PRO-060

Table 6-3. List of Materials

Item No. Description Qty. Part No.

1 Termalene Grease 1 35-lb. pail NSN: 9G-9150-01-306-9167 Item 7292-1A Bel Ray Co. Inc. Farmingdale N.J. 07727 Note: Termalene can also be ordered directly from vendor in 14-1/2oz cartridges, 12 per case 2 O-Ring (Hull Penetra- As needed NSN: 9A-5330-00-543-3041 tor) P/N: M83248/1-220 3 Gasket (Hydrophone As needed NSN: IH-5330-01-230-7691 Cable Hull Connector) P/N: CPG 1027/1-031 4 Nylon Cable Ties 1 Pkg. NSN: 9G-5975-00-074-2072 5 Nylon Line, 1/2" 200 feet NSN: 9Z-4020-01-225-0886 6 Cable Hull Connector 2 M24231/3-020 ** (TR143 & Plug Modified with “D” TR333) Ring 7 Hull Penetrator Cap 2 M24231/13-011 ** (TR143 & TR333) NSN: 9N 5935-00-070-9487 8 O-Ring Lubricant As needed MIL-C-21567 (G-697) NSN: 9G-6850-00-702-4297 9 Transducer Hull Win- 25/8" - 11 UNC x 6" Manufac- dow Mounting Guide tured from Threaded Steel Studs with: Rod NSN: 9Z-5306-00-903-3538 (a) Flat Washers 2 5/8" I.D. NSN: 9Z-5310-00-003-9174 (b) Hex Nuts 2 5/8" - 11 UNC NSN: 9Z-5310-00-763-8920 10 U-Channel Rubber for As needed Neoprene Channel, 1/2" Banding Groove 96" Long NSN: 9G-9390-00-872-6393

6-83 S0600-AA-PRO-060

Table 6-3. List of Materials - Continued.

Item No. Description Qty. Part No.

11 Stainless Steel As needed 1/2" Banding Roll Banding Roll NSN: 9Q-8135-01-023-4126 12 Stainless Steel As needed NSN: 9Z-5340-00-244-7325 Buckle/Seal 13 1/2-inch Galvanized 1 McMaster Carr Cat No. Shackle 3558T48 NSN: 9Z-4030-00-369-3894 14 O-Ring Removal Tool 1 Manufacture locally using stainless steel round bar, NSN: 9Z-9505-00-189-0574 (See Figure 6-40) 15 Isopropyl Alcohol 1 qt. NSN: 9G-6810-00-983-8551 16 Cotton Swabs 1 pkg. NSN: 9L-6515-00-303-8250 17 TR143 Hull Window Screws (a) Mounting Screws 20 5/8" 11 UNC-3A x 2-1/4" long, Spec FF-S-86 Type IV (See Item 42, ref 6-4.9a) (b) Lanyard Screws 2 3/8" 16UNC-3A x 1-1/2" long, FF-S-92 Type 1 style 25 (See Item 8, ref 6-4.9a) 18 NSS Hull Window Screw (a) 42 3/4" 10 UNC-3A x 3" Long (See Item 18, ref 6-4.9c) (b) 25 1/2" 13 UNC-3A x 1-3/4" Long (See Item 21, ref 6-4.9c) (c) 8 1/2" 13 UNC-3A x 3" Long (See Item 71, ref 6-4.9c) (d) Lanyard Screws 2 3/4" 10 UNC-3A x 2.12" Long Slotted Head (See Item 8, ref 6-4.9)

(e) Lanyard Screw 1 1/2" 13 UNC-3A x 1.80" Long Slotted Head (See Item 88, ref 6-4.9c)

6-84 S0600-AA-PRO-060

Table 6-3. List of Materials - Continued.

Item No. Description Qty. Part No.

19 Pre-terminated and As Req’d Pre-tested TR333 Hydrophone Assembly: (a) Hydrophone TR333 GE Part No. 53711-6029135- 301 NSN: 8P-6605-LW-501-0600 (b) Hydrophone Cable GE P/N 53711-6029166-303 Assembly (cable with NSN: 8P-6605-LW-501-6357 both ends connector- ized) (c) O-Ring, Cable Con- M83248/1-117 nector (Hydrophone NSN:9Z-5330-00-166-1071 End) (d) O-Ring, Hydro- M83248/1-114 phone Receptacle NSN: 9Z-5330-00-166-1063 20 Stainless Steel Brush 1 McMaster Carr Cat. No. 1/4" dia x 3" long 7230T31 NSN: 10-9900-LE-T40-4408 21 Hydrophone Mounting 4 P/N: 60-16-1491 Screws 1/2" 13 UNC- (Item 42, ref 6-4.9.c) 3A x 3-3/4" long Nicual - FF-5-86-T46 22 TR333 Hydrophone 16 Site-Supplied Handle/Protective (GE P/N 43711-6029726-301) Cover Assembly NSN: 8P-6605-LW-501-6655 including Brass Mount- ing Screws

6-85 S0600-AA-PRO-060

Table 6-3. List of Materials - Continued.

Item No. Description Qty. Part No.

23 Pressure-Proof Cap, As Req’d M24217/10-001 Hydrophone/Ther- NSN: 1H-0029-LL-TA4-0226 mistor Receptacle 24 Pressure Plug, Hydro- As Req’d M24217/9-001 phone/Thermistor NSN: 9N-5935-01-325-2851 Cable 25 Hydrophone Array 1 Site Supplied Plate Insert Installation MS35311-119 Bolt, 1/2" 13 UNC x 3" NSN:9Z-5305-00-226-9196 long 26 Hydrophone Array As Req’d EB P/N 36-71-0515/M/F Mounting Insert ( Item 36, ref 6-4.9c) 27 All-Thread 1/2" 13 2 Site Supplied UNC x 36" long with: NSN:9Z-5306-00-903-3537 (a) Flat Washers 4 MS27183-17 NSN:9Z-5310-00-807-5997 (b) Hex Nuts 4 NSN:9Z-5310-00-260-7877 * Commercial and Government Entity (CAGE) codes replaced Federal Supply Codes for Manufacturers (FSCM) in May 1986. The code numbers were not changed; only the names of the codes changed. ** Part numbers beginning with “M” refer to D.G. O’Brien, Inc., P.O. Box 159, Seabrook, NH 03874 (CAGE: 17476), part numbers (see first footnote). *** Part numbers beginning with “MSS” refer to Brantner & Associates, 1240 Vernon Way, El Cajon, CA 92020-1839 (CAGE: 15739), part numbers (see first footnote.) **** Part numbers (P/N) beginning with “CPG” refer to General Dynamics, Electric Boat Divi- sion, 4 Eastern Point Rd., Groton, CT 06340-4947 (CAGE: 96169), part numbers (see first footnote).

6-86 S0600-AA-PRO-060

Figure 6-28. Sonar External Hull Fitting (EHF) Arrangement.

6-87 S0600-AA-PRO-060

Figure 6-29. NSS Conduit Locations Sonar Penetrator Cavity.

6-88 S0600-AA-PRO-060

Figure 6-30. NSS Interconnection Block Diagram.

6-89 S0600-AA-PRO-060

NOTE CAUTION The TR143 acoustic windows will require removal according Do not use hydraulic impact to the following Table. The NSS wrench to remove window window must be removed in all mounting screws. cases. CAUTION Hydrophone No. Window 1-3 or 11-6 Port TR143 window Prior to window removal verify lanyards are in good condition. 5-8 Starboard TR143 window 6-4.28 (DV) Remove NSS acoustic window (Figure 6-31) as follows: 4, 9 or 10 Port & Starboard TR143 windows a. Remove all capscrews in the center support using 5/16-inch and 1/2-inch hex sockets. NOTE b. Remove the 3/4-inch 10 UNC cap- It may be necessary to utilize a screws on the port and starboard wide blade screwdriver to edges of the window using 1/2-inch hex remove the window(s) from the socket. opening. c. Remove all but the forward center and 6-4.27 (DV) Notify ship when divers are ready aft center 1/2-inch 13 UNC capscrews to enter the water. using 5/16-inch hex socket.

d. Slowly loosen and remove the remain- a. (SHIP) Pass the word that divers are in ing 1/2-inch 13 UNC screws and allow the water. window to hang on the three lanyards (Figure 6-32). b. (DV) Remove applicable TR143 window(s) by loosening and removing the e. Install 1/2-inch 13 UNC x 36 inches All 20 5/8-inch 11 UNC capscrews using Thread (item 27, Table 6-3) at two loca- a 3/8-inch hex socket. Secure window tions, one on forward centerline and to hull by rotating it outboard and one on centerline aft. Install nut and flat installing 5/8-inch 11 UNC x 6-inch All- washer above the window and flat Thread flat washer and nut (item 9, washer and nut below the window. Table 6-3). f. Tighten nuts until weight of window is CAUTION supported on All-Thread.

To avoid rounding of screw CAUTION socket head, ensure that hex socket is fully seated in screw When divers are directly under- head. neath or in the NSS seachest,

6-90 S0600-AA-PRO-060

Figure 6-31. NSS Acoustic Window Mounting Detail.

6-91 S0600-AA-PRO-060

Figure 6-32. NSS Window Lanyards.

air bubbles force water up b. Biofouling FR40 or greater (reference vents and conduits in sonar NAVSEA S9086-CQ-STM-000/081, penetrator cavity. Ensure hull Waterborne Underwater Hull Cleaning penetrators remain covered at of Navy Ships, paragraph 6-4.10e). all times to preclude moisture c. Report the findings of the inspection to from entering hull penetrator. the LWC supervisor.

6-4.29 (DV) Visually inspect entire window 6-4.30 (LWC) Complete Data Report Form 3 being particularly attentive to the presence of Block 2A. the following abnormal conditions: NOTE

If the diver’s report of inspec- a. Severe gouges and major nicks (refer- tion findings indicates severe ence NAVSEA S9165-AC-HBK-101, damage or biofouling, remove Submarine Sonar Dome Handbook, the window using a crane for paragraph 6-4.10d). repair and/or cleaning.

6-92 S0600-AA-PRO-060

6-4.31 (DV) Visually inspect entire sea chest c. Report findings of the inspection to the for loose tiles, excessive rust, etc. Visually LWC supervisor. inspect all hydrophone faces being particularly attentive to the presence of the following 6-4.32 (LWC) Complete Data Report Form 3 abnormal conditions: Block 2B.

a. Cuts, cracks, bubbles or other defects NOTE on the rubber hydrophone acoustical window covering. Hydrophone(s) (refer to Figure 6-33) should be replaced if any b. Any signs of separation between the defects are discovered. rubber hydrophone acoustical window covering and the stainless steel hydro- 6-4.33 (DV) Attach hydrophone protective phone body. cover (item 22, Table 6-3) as follows:

Figure 6-33. Hydrophone Arrangement (Looking Up).

6-93 S0600-AA-PRO-060

a. Clean out four 1/4-inch 28 UNF tapped 6-4.34 (DV) Loosen and remove two diago- holes in hydrophone bottom flange with nally opposed hydrophone mounting screws 1/4-inch diameter by 3-inch long stain- using 3/8-inch hex socket. less steel spiral-type wire brush (item 20, Table 6-3). 6-4.35 (DV) Insert two hydrophone removal/reinstallation rods (paragraph 6- NOTE 4.13m) and clamp vise-grips to the rods approximately 1/2-inch below hydrophone. Remove stainless steel screws prior to cleaning threads. 6-4.36 (DV) Loosen and remove remaining two mounting screws. b. Chase the tapped hole threads to depth of 3/4-inch from flange bottom 6-4.37 (DV) Attach 1/2-inch shackle (item 13, surface with 1/4-inch 28 UNF bottom- Table 6-3) to padeye directly over hydrophone ing tap (paragraph 6-3.13j). to be replaced.

NOTE 6-4.38 (DV) Install 1/2-inch nylon line (item 5, Table 6-3) through the shackle in the over- Tapped hole has 0.273 inch head and attach it to the two handles on the nominal diameter by 0.25 inch protective cover after lowering hydrophone deep counterbore starting at enough to run the 1/2-inch nylon line through flange bottom surface. Threads the hole in the array bedplate. The line should start at base of counterbore. form a bridle to support the hydrophone in a level condition. Using vise-grips, lower the hydrophone until its weight can be supported c. Clean tapped holes again with wire by the 1/2-inch nylon line. brush. Do not use solvent or other oil base cleaners. 6-4.39 (LWC/DV) Lower the cable down the conduit as the hydrophone is lowered. d. Lubricate brass cover screws with a small amount of Termalene grease 6-4.40 (DV) Remove the vise-grips. (Item 1 Table 6-3).

CAUTION CAUTION Hydrophone weighs 70 lbs (in Do not allow Termalene grease air) or any foreign substance to contact hydrophone faces. 6-4.41 (DV) Lower the hydrophone using the 1/2-inch line and attach it to a line from the e. Install hydrophone protective han- pier. Guide the cable out of the conduit and dle/cover and tighten bolts until snug. coil. Secure the cable to the line from the pier using nylon cable ties. Disconnect the 1/2-inch CAUTION line attached to the cable pull cap ‘D’ ring and tie it off in the sea chest. Ensure wrench is fully seated in screw to preclude rounding of 6-4.42 (DV/LWC) Disconnect the 1/2-inch line the socket on the hydrophone and lift the hydrophone/cable assembly out of mounting screws. the water.

6-94 S0600-AA-PRO-060

6-4.43 (LWC) Land the hydrophone on the cable and/or hydrophone if dock, handgrips down. megger readings are below 10 meg-ohms. 6-4.44 PROCEDURAL STEP 3 HYDRO- PHONE MOUNTING INSERT INSPECTION 6-4.52 (LWC) If hydrophone is deemed satis- AND REPLACEMENT factory and the cable is below 10 meg-ohms, connect new cable and reinstall IAW this pro- 6-4.45 (DV) Visually inspect hydrophone cedure. mounting inserts (quantity 4) for scratches, nicks or signs that inserts are loose or dam- 6-4.53 (LWC) If hydrophone is defective, aged. Record results on Data Report Form 3 replace with new hydrotested hydrophone and Block 3A. cable assembly and install IAW this procedure. Record serial number of replacement 6-4.46 (DV) If insert is loose or significantly hydrophone on Data Report Form 3. If old damaged remove it using insert removal tool cable meets retest requirements, retain for (paragraph 6-4.13n). later hydrostatic testing. Return old cable to stock if it passes hydrostatic test. 6-4.47 (DV) Carefully install new insert (item 26, Table 6-3) with same shoulder thickness 6-4.54 PROCEDURAL STEP 5 HYDRO- (.0005 inch) using a 1/2-inch bolt (item 25, PHONE AND CABLE ASSEMBLY REIN- Table 6-3) threaded into mounting nut. STALLATION

6-4.48 PROCEDURAL STEP 4 HYDRO- CAUTION PHONE/HYDROPHONE CABLE FAILURE ISOLATION Acute bend radii in the cable can cause excessive stress 6-4.49 (LWC) Disconnect cable from hydro- and possible damage to cable phone and inspect connector and hydrophone insulation. Maintain a minimum receptacle for signs of leakage or damage. bend radius of 4 inches while Record results on Data Report Form 3 Block pulling the cable. 4A. 6-4.55 (LWC) Ensure pull cap (item 6, Tab l e 6-4.50 (LWC) If all test results of SMP 34- 6-3) with new gasket assembly is installed on 4405 were satisfactory except for hydrophone hull connector end of cable. Loosely coil cable impedance, the hydrophone is defective. Pro- and secure with nylon cable ties. ceed to paragraph 6-4.53. If insulation test results of SMP 34-4405 were unsatisfactory, 6-4.56 (LWC) Attach 1/2-inch line to the proceed to paragraph 6-4.52. hydrophone cable and lower hydrophone and cable into the water. 6-4.51 (LWC) Perform insulation resistance check (IAW Ref F) of hydrophone and cable. 6-4.57 (DV) Connect the 1/2-inch nylon line Record results on Data Report Form 3 Block run through the padeye to the hydrophone 4B. cover handles, take up the slack and disconnect dockside line. NOTE 6-4.58 (DV) Connect the 1/2-inch nylon cable Insulation resistance readings pull line to hull connector pull cap ‘D’ ring. of cable/hydrophone below 10 meg-ohms is unsatisfactory for 6-4.59 (LWC) Pull the cable up into the con- cable or hydrophone. Replace duit.

6-95 S0600-AA-PRO-060

6-4.60 (DV) Using the 1/2-inch line, raise the that 4-inch minimum bend radius is not hydrophone until two vise-grips can be exceeded. attached to the hydrophone removal/installation rods. Disconnect line. b. If unsatisfactory, repeat paragraphs 6- 4.34 through 6-4.68. 6-4.61 (DV) Raise the hydrophone ensuring that the cable is not kinked or allowed to be 6-4.69 (DV) Remove protective cover from pinched between the hydrophone and array hydrophone and forward to local UNISYS rep- bedplate. resentative.

6-4.62 (DV) Lubricate with Termalene grease 6-4.70 (DV) Inspect sea chest for tools and (item 1, Table 6-3) and install two hydrophone debris. mounting screws and tighten.

6-4.63 (DV) Remove the two hydrophone CAUTION removal/reinstallation rods and lubricate the remaining two tactical screws with Termalene During all torquing operations, grease and install. ensure hex socket is fully seated in screw socket to avoid 6-4.64 (DV) Torque the four hydrophone rounding of socket head. mounting screws to 45 5 ft-lbs over running 6-4.71 (LWC) Lubricate all NSS window torque. Record results on Data Report Form 3 mounting screws with Termalene grease prior Block 5A. to reinstallation. Mounting screws require lubrication on the underside of the screw head 6-4.65 (DV) Install nylon cable ties in sea in addition to the threads. chest as required to preclude cable movement. The quantity of cable ties should be NOTE minimized to allow for future removal of cables. A flotation device may be 6-4.66 (LWC) Remove pressure proof cap required to facilitate reinstalla- from hull penetrator and pull cap from cable tion of NSS window. and clean with cotton swabs and alcohol. Lubricate with silicone grease (item 8, Table 6- 6-4.72 (DV) Reinstall the NSS window.6- 3) and replace gasket (item 3, Table 6-3) in 3.121. hull connector and O-ring (item 2, Table 6-3) in hull penetrator. a. If the lanyards were disconnected from the window re-attach fwd lanyards first 6-4.67 (LWC) Attach hull connector to hull then raise window into place such that penetrator and tighten with claw-type spanner aft lanyard can be reconnected (Refer wrench. to Figure 6-33). Verify that the lanyard padeyes are not rotated such that they 6-4.68 (LWC/SHIP) Measure the insulation would interfere with window seating resistance and impedance of new hydrophone against backing bars. and cable from the preamplifier in the Sonar Equipment Space per SMP 34-4405. Record b. Using the 1/2-inch “All-Thread”, wash- results on Data Report Form 3 Block 5B. ers, and hex nuts, raise window into opening. Install four capscrews, two in a. If satisfactory, reband cable into wire- the forward ed and two in the aft end of way in sonar penetrator cavity. Ensure the window.

6-96 S0600-AA-PRO-060 c. Snug the four capscrews to bring the inch - 13 UNC capscrews on for- middle of the window into contact with ward/aft edges to 25 + 5 ft-lbs over run- the fwd and aft backing bars. ning torque. d. Remove the All-Thread and install the g. Torque the thirty 3/4-inch - 10 UNC remaining capscrews working from the capscrews (item 18a, Table 6-3) along middle of the window towards the port and starboard edges of window to edges. 40 + 5 ft-lbs over running torque. e. Lubricate with Termalene grease and install twenty capscrews (item 18a and 6-4.74 (DV) Verify that all windows are fair to 18c, Table 6-3) in the center support. adjacent non-pressure hull IAW reference (a) Torque the twelve 3/4-inch screws to and (b). Record results on Data Report Form 3 40 + 5 ft-lbs over running torque and Block 5C. the eight 1/2-inch screws to 25 + 5 ft- lbs over running torque. 6-4.75 (LWC) Request ship’s force to remove all DANGER tags and return the system to f. Working outboard from the middle of operational status. Record the results on Data the window, torque the twenty five 1/2- Report Form 3 Block 5D.

6-97 S0600-AA-PRO-060

6-98 S0600-AA-PRO-060

DATA REPORT FORM 3 Page 1 of 5

SHIP: (name and hull number)

TASK DESCRIPTION: Hydrophone/hydrophone cable (Hydrophone Number) assembly waterborne fault isolation and replacement procedures for Trident II D5 submarines.

EQUIPMENT COMPONENT: TR-333 Transducer/transducer cable assembly (TCA).

SYSTEM: SWS NAVIGATION

RELATED MAINTENANCE: SMP 34-4404, SMP 34-4405

SUBSYSTEM: AN/BQN-25 Navigation Sonar System.

MANPOWER REQUIREMENTS:

DIVERS: Dive station manned in accordance with the requirements of NAVSEA 0994-LP-001-9010, U.S. Navy Diving Manual, Volume 1, Air Diving

SWS NAVIGATION REPAIR PERSONNEL:

Quantity Position

2 SWS Navigation Electronics Technicians or civilian System Mechanics

1 SWS Electronics Systems Quality Assurance Inspector.

MANHOUR EXPENDITURES

Procedural Step Elapsed Time (hours) X No. of Personnel = Manhours Expended

Preliminary

Step 1

Step 2

Step 3

Step 4

6-99 S0600-AA-PRO-060

DATA REPORT FORM 3 Page 2 of 5

Step 5

Total Elapsed Time

Total Man-hours/Evolution

PRELIMINARY PROCEDURES

BLOCK A (6-4.16): Insulation Resistance Test (From Preamp) (SMP 34-4405)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Pin A/B to Ground ≥ 1 Mohm Mohm

Sat Unsat Initials

PROCEDURAL STEP 1

BLOCK 1A (6-4.18): System Tag Out System Secured and Tagged Out Signature/Date

BLOCK 1B (6-4.22): Visual Inspection

Condition of Cable Connector Sat Unsat Initials

Condition of Hull Penetrator Sat Unsat Initials

BLOCK 1C (6-4.23): Insulation Resistance Test (Inboard Cable/Penetrator)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Pin 2 to Ground ≥ 1 Mohm Mohm

Pin 1 to Ground ≥ 1 Mohm Mohm

Sat Unsat Initials

6-100 S0600-AA-PRO-060

DATA REPORT FORM 3 Page 3 of 5

Figure 6-34. Hydrophone/Cable Test Point Identification.

6-101 S0600-AA-PRO-060

DATA REPORT FORM 3 Page 4 of 5

PROCEDURAL STEP 2

BLOCK 2A (6-4.30): Inspection of the NSS Hull Window(s)

Severe Gouges, Major Nicks Yes No

Biofouling FR 40 or Greater Yes No

Condition of Hull Window(s) Sat Unsat Initials

BLOCK 2B (6-4.32): Inspection of Sea Chest and Hydrophone Acoustic Window

Cuts, Cracks, Bubbles, or Other Defects Yes No

Separation Between Rubber and Steel Hydrophone Body Yes No

Condition of Sea Chest Sat Unsat

Condition of Hydrophone Acoustic Window Sat Unsat Initials

PROCEDURAL STEP 3

BLOCK 3A (6-4.45): Insulation of hydrophone mounting inserts

Condition of mounting inserts Sat Unsat Initials

PROCEDURAL STEP 4

BLOCK 4A (6-4.49):Hydrophone Cable Connector and Hydrophone Receptacle Inspection

Condition of Hydrophone Cable Connector Sat Unsat Initials

Condition of Hydrophone Receptacle Sat Unsat Initials

6-102 S0600-AA-PRO-060

DATA REPORT FORM 3 Page 5 of 5

BLOCK 4B (6-4.51): Insulation Resistance Test (Hydrophone cable)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Pin 2 to Outer Shield ≥ 100 Mohms Mohms

Pin 1 to Pin 2 ≥ 100 Mohms Mohms

Sat Unsat Initials

BLOCK 4C (6-4.52): Insulation Resistance Test (Hydrophone)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Pin A/B to Ground (receptacle body) ≥ 100 Mohms Mohms

Sat Unsat Initials

PROCEDURAL STEP 5

BLOCK 5A (6-4.64): Hydrophone Mounting Screw Torquing

Mounting screws torqued to 45 ft-lbs Initials

BLOCK 5B (6-4.68): Insulation Resistance Test (Hydrophone/Cable Assembly)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Pin A/B to Ground ≥ 100 Mohms Mohms

BLOCK 5C (6-4.74): Window Bolt torquing

Transducer and NSS windows installed and bolts torqued Initials

BLOCK 5D (6-4.75): Window Fairness

Check window fairness Sat Unsat Initials

6-103 S0600-AA-PRO-060

THIS PAGE LEFT BLANK INTENTIONALLY

6-104 S0600-AA-PRO-060

SECTION 5 FAULT ISOLATION AND REPLACEMENT PROCEDURES FOR THE AN/BQN-25 THERMISTOR IN TRIDENT II D5 SUBMARINES

6-5.1 GENERAL 6-5.7 REFERENCE DOCUMENTS

6-5.2 This section provides detailed proce- 6-5.8 The drawings, technical manuals, hand- dures that direct divers and other repair per- books and instructions listed in the following sonnel through the proper sequence of events paragraphs support the information contained to identify and isolate electrical faults in the in this chapter. Each document is unique in AN/BQN-25 Thermistors and to replace the subject matter, therefore all documents listed components as necessary to restore the sys- must be available for ready reference while tem to operating condition. conducting underwater thermistor replacement procedures. 6-5.3 The successful completion of these procedures requires close coordination between 6-5.9 DRAWINGS these activities: lead work center (LWC), rig- gers (RIG), divers (DV) and ship’s force a. NAVSEA 113-4695779, Foundations, (SHIP) personnel. The activity responsible for AN/BQN-3 performing each step in these procedures is identified in parentheses at the beginning of b. NAVSEA 101-4640634, NonPressure the step. Hull Frames 20, 21, and 22

6-5.4 RECORDING RESULTS OF TESTS c. NAVSEA 113-4642918, Navigation AND INSPECTIONS Sonar System Installation and Details, Foundation, Depth Sounder Trans- ducer 6-5.5 The results of the various tests and inspections conducted in the preliminary and procedural steps must be recorded in the 6-5.10 TECHNICAL MANUALS AND HAND- appropriate blocks of the Data Report Form 4. BOOKS

a. SSP 0652-027-7, Trident II SWS Navi- 6-5.6 Each test called out in the procedures is gation Second Level Maintenance referenced to a block in the Data Report Form Manual, Vol. 3 4. Each block in the form is identified by the applicable procedural step number and a capi- tal letter within each procedural step. Blocks in b. NAVSEA 0900-LP-091-6010, Subma- the preliminary procedures portion of Data rine Fastening Criteria for Pressure Report Form are identified by letters only. The Containing Systems paragraph number which requires the test is shown in parentheses after the block number. c. NAVSEA S0900-000-PRO-000/MLDG Where applicable, acceptable test values are MAN, Molding and Inspection Proce- given in the test-result block. The Data Report dures for Fabricating Connector Plugs Form 4, pages 6-117 through 6-120, may be for Submarine Outboard Cables reproduced and maintained at the work site as a part of the quality control package required d. NAVSEA S9165-AC-HBK-010, Sub- by applicable regulations. marine Sonar Dome Handbook

6-105 S0600-AA-PRO-060

e.NAVSEA S9086-CQ-STM-000/081, 6-5.12 EQUIPMENT AND MATERIAL Waterborne Underwater Hull Cleaning REQUIREMENTS of Navy Ships 6-5.13 SUPPORT AND TEST EQUIPMENT f. CPG-1060, Procedures for Wiring, Molding, Inspecting and Testing of The equipment listed below is required to con- Pressure Proof Electrical Connectors duct underwater thermistor repairs. The equip- for Trident Submarines ment should be assembled onsite and tested or calibrated as required before the task g. CPG-1145, Installation Procedures Tri- begins. dent Outboard Electrical Harness and Hull Penetrations a. Insulation Test Set, Biddle 21160W/21963C h. Standard Maintenance Procedure (SMP) 34-4404 b. Impedance Bridge ELA 250 DE/ 1325

i. Standard Maintenance Procedure c. Torque Wrench, 0-100 foot-pound (SMP) 34-4405 capacity

d. Pin (1/8" dia.) Spanner Wrench, 1-1/4 j. NAVSEA S9061-AA-MMA-010/ to 3-inch capacity SSBN/726CL, Maintenance and Repair Instructions, Pressure Hull Electrical Penetrations and Associated e. Claw Spanner Wrench 2 to 4-3/4 inch Outboard Components capacity

f. 2-3/8" Hex Key Socket (1/2" Drive) k. SSP 57650 (TRIDENT II), Trident SWS Navigation Subsystem Standard Op- erating Procedures, Volume 1 g. Screwdriver, wide blade

h. Allen Wrench Set 6-5.11 SAFETY REFERENCES 6-5.14 MATERIALS a. OPNAVINST 5100.19A, Navy Safety Precautions for Forces Afloat The materials listed in Table 6-4 must be obtained and positioned in the immediate b. COMSUBLANTINST 5101.2, Stan- vicinity of the job site before beginning under- dard Tag-Out Procedures water thermistor replacement.

c. COMSUBPACINST 5101.4D, Equip- 6-5.15 PRELIMINARY PROCEDURES ment Tag-Out Procedures 6-5.16 (LWC) Confirm which thermistor is d. NAVSEA 0994-LP-001-9010, U.S. defective by conducting the applicable portion Navy Diving Manual, Volume 1, Air Div- of SMP 34-4405. Record results on Data ing Report Form 4 Block A.

6-106 S0600-AA-PRO-060

Table 6-4. List of Materials.

Item No. Description Qty. Part No.

1 Termalene Grease 1 35 lb. pail NSN: 9G-9150-01-306-9167 Item 7291-1A Bel Ray Co. Inc. Farmingdale N.J. 07727 Note: Termalene can also be ordered directly from vendor in 14-1/2 oz cartridges, 12 per case 2 Nylon Cable Ties 1 Pkg. NSN: 9G-5975-00-074-2072 3 Nylon line, 1/2" 200 feet NSN: 9Z-4020-01-225-0886 4 TCA Hull Connector 2 M24231/1-020 ** BQN - 25 Plug Modified with “D” Thermistor Ring 5 Hull Penetrator 2 M24231/12-011 ** (BQN 25 Thermistor) NSN: 9N-5935-00-070-9487 6 O-Ring Lubricant As needed MIL-C-21567 NSN: 9G-6850-00-702-4287 7 Transducer Hull 2 5/8" 11 UNC x 6 inch Manufac- Window Mounting tured from Threaded Steel Guide Studs with: Rod NSN: 9Z-5306-00-903-3538 (a) Flat Washers 2 5/8" I.D. MS27183-21 NSN: 9Z-5310-00-003-9174 (b) Hex Nuts 2 5/8" 11 UNC NSN: 9Z-5310-00-763-8920 8 U-Channel Rubber for As needed Neoprene Channel, 1/2" Banding Groove 96" Long NSN: 9G-9390-00-872-6393 9 Stainless Steel Band- As needed 1/2" Banding Roll ing Roll NSN: 9Q-8135-01-023-4126 10 Stainless Steel As needed NSN: 9Z-5340-00-244-7325 Buckle/Seal 11 O-Ring Removal Tool 1 Manufacture locally using stainless steel round bar, NSN: 9Z-9505-00-189-0574 (See Figure 6-40)

6-107 S0600-AA-PRO-060

Table 6-4. List of Materials. - Continued.

Item No. Description Qty. Part No.

12 Isopropyl Alcohol 1 qt. NSN: 9G-6810-00-983-8551 13 Cotton Swabs 1 pkg. NSN: 9L-6515-00-303-8250 14 TR143 Hull Window Screws (a) Mounting Screws 20 .625" UNC-3A x 2.25" long, Spec FF-S-86 Type IV (See Item 42 on ref 6-5.9a) (b) Lanyard Screws 2 .375" 16UNC-3A x 1 3/4" long, FF-S-92 Type 1 style 25 (See Item 8 on ref 6-5.9a) modified. 15 Pre-terminated and 2 Pretested BQN-25 Thermistor (a) Thermistor, BQN- GE P/N 53711-6029426-301 25 NSN: 8P-6605-LW-501-0630 (b) Thermistor Cable GE P/N 53711-6029166-304 (both ends connector- NSN: 8P-6605-LW-501-6358 ized) (c) O-Ring 1) M83248/1-117(For Ther- mistor Cable Plug) NSN: 9Z-5330-00-166-1071 2) M83248/1-117 (Thermistor Receptacle) NSN: 9Z-5330-00-166-1063 16 Pressure Proof Cap, As Req’d M24217/10-001 Hydrophone/Ther- NSN: 1H-0029-LL-TA4-0226 mistor Receptacle 17 Pressure Proof Plug, As Req’d M24217/9-001 Hydrophone/ NSN: 9N-5935-01-325-2851 Thermistor Cable 18 Thermistor Hull Con- 2 EBCN: 06-36-0250 nector Gasket CPG 1027/1-030 NSN: 1H-5330-01-230-7690

6-108 S0600-AA-PRO-060

Table 6-4. List of Materials Continued.

Item No. Description Qty. Part No.

19 Thermistor Hull Pene- 2 EBCN: 54-66-5215 trator “O” Ring M83248/1-215 NSN: 9Z-5330-00-166-8404 20 Thermistor Foundation 2 Screw, Cap - .500 -13 UNC 3A Mounting Screws x 1.75" long (Sch Cyl) FF-S-86 Type 6 NICU 21 Thermistor Mounting 6 Screw, Cap - .190 -32 UNF 3A Screws x 1.00" long (Sch Cyl) -NICU FF-S-86 TY6 (See Items 33/35 ref 6-5.9c) * Commercial and Government Entity (CAGE) codes replaced Federal Supply Codes for Manufacturers (FSCM) in May 1986. The code numbers were not changed; only the name of the codes changed. ** Part numbers beginning with “M” refer to D.G. O’Brien, Inc., P.O. Box 159, Seabrook, NH, 03874 (CAGE: 17476), part numbers (see first footnote). *** Part numbers beginning with “MSS” refer to Brantner & Associates, 1240 Vernon Way, El Cajon, CA, 92020-1839 (CAGE: 15739), part numbers (see first footnote.) **** Part numbers (P/N) beginning with “CPG” refer to General Dynamics, Electric Boat Divi- sion, 4 Eastern Point Rd., Groton, CT 06340-4947 (CAGE: 96169), part numbers (see first footnote).

6-5.17 PROCEDURAL STEP 1: FAULT ISO- 6-5.20 (LWC) Pump sonar penetrator cavity LATION dry. Flush area around the hull penetrator with fresh water. Pump out resultant water. 6-5.18 (LWC) Request ship’s force to secure 6-5.21 (LWC) Disconnect thermistor cable power by de-energizing circuit breakers 54 connector from hull penetrator (Figures 6-35, through 59 in 1SFA switchboard and tag out 6-36 and 6-37). the AN/BQN-25 system (reference paragraph 6-5.11b and/or 6-5.11c). Disconnect appropri- 6-5.22 (LWC) Visually inspect cable connec- ate cable in preamplifier. Record results on tor and hull penetrator for damage or indica- Data Report Form 4 Block 1A. tion of leakage. Record results on Data Report Form 4 Block 1B. 6-5.19 (SHIP) Remove the topside sonar 6-5.23 (LWC) Perform insulation resistance penetrator cavity cover plate at frame 22 test on the hull penetrator and inboard cabling. (paragraph 6-5.9b). Attach a CAUTION tag If hull penetrator is satisfactory, install hull that states “DO NOT CLOSE SONAR CAVITY penetrator sealing cap (item 5, Table 6-4) on WITHOUT CONTACTING LEAD WORK CEN- hull penetrator and continue with procedure. If TER.” not, discontinue procedure, disconnect

6-109 S0600-AA-PRO-060 inboard cabling and repeat insulation resis- c. Remove port (starboard) TR143 tance test on hull penetrator. If satisfactory, acoustic window by loosening and perform corrective maintenance on inboard removing the 20 5/8-inch mounting cabling; otherwise perform corrective mainte- screws using a 3/8-inch hex socket. nance on hull penetrator. Record results on Data Report Form 4 Block 1C. d. Install 5/8-inch 11 UNC x 6-inch All Thread (item 7, Table 6-4) in one of the 6-5.24 (LWC) Perform insulation resistance outboard holes. Pry the window from test on thermistor and cable assembly. If satis- the opening, rotate on All Thread and factory, reconnect to hull penetrator and dis- secure in place using a flat washer and continue procedure; if not, fit hull connector hex nut. sealing plug modified with “D”-ring (item 4, Table 6-4) to cable assembly and continue 6-5.27 (DV) Visually inspect window(s) being procedure. Record results on Data Report particularly attentive to the presence of the fol- Form 4 Block 1D. lowing abnormal conditions:

a. Severe gouges and major nicks (refer- CAUTION ence NAVSEA S9165-AC-HBK-101, Submarine Sonar Dome Handbook, If the thermistor/cable assem- paragraph 6-5.10d). bly requires replacement, it is necessary to disconnect both b. Biofouling FR40 or greater (reference thermistors from the hull pene- NAVSEA S9086-CQ-STM-000/081, trator and remove them Waterborne Hull Cleaning of Navy together to preclude damage to Ships, paragraph 6-5.10e). the cables.

6-5.25 PROCEDURAL STEP 2: THER- c. Report the findings of the inspection to MISTOR AND CABLE ASSEMBLY the LWC supervisor. REMOVAL 6-5.28 (LWC) Complete Data Report Form 4 6-5.26 (DV) Notify ship that divers are ready Block 2A. to enter water. NOTE a. (SHIP) Pass the word that divers are in If the diver’s report of inspec- the water. tion findings indicates severe damage or biofouling, remove b. (DV) If starboard thermistor is defec- the window for repair and/or tive, remove starboard TR143 trans- cleaning. If window must be ducer window. If port thermistor is removed mark window as Port defective, remove port and starboard or Starboard. TR143 transducer windows. 6-5.29 (DV) Inspect sea chest for loose tiles, NOTE excessive rust, etc. Visually inspect thermistors for obvious defects. Report findings of The use of a wide blade screw- the inspection to the LWC supervisor. driver may be necessary to remove the window from the 6-5.30 (LWC) Complete Data Report Form 4 opening. Block 2B.

6-110 S0600-AA-PRO-060

6-5.31 (LWC) In the sonar penetrator cavity 6-5.39 PROCEDURAL STEP 3: THER- remove banding from both thermistor cables MISTOR AND CABLE ASSEMBLY and ensure the thermistor hull connector seal- REPLACEMENT ing plugs (item 4, Table 6-4) have been attached to both cables. Attach a 1/2-inch 6-5.40 (DV) Carry thermistor and cable nylon line to one sealing plug and daisy-chain assembly to sea chest. Reattach 1/2-inch line the other plug to it. to thermistor cable hull connector sealing plug.

6-5.32 (LWC/DV) Lower the thermistor cables 6-5.41 (LWC/DV) Pull both cables up through down through the conduit and remove from conduit until they reach the sonar penetrator the conduit. Remove 1/2-inch line from cable cavity. sealing plugs. 6-5.42 (DV) Install thermistor and mounting 6-5.33 (DV) Remove defective thermistor and plate with two 1/2-inch-13 UNC socket head mounting plate from foundation by unscrewing cap screws, using a 3/8-inch hex socket or the two 1/2-inch 13 UNC socket head cap Allen wrench. screws using a 3/8-inch hex socket or Allen wrench. Carry defective thermistor and cable 6-5.43 (LWC) Report results on Data Report to the surface. Form 4 Block 3A.

6-5.34 (LWC) Record serial number of failed 6-5.44 (LWC) Remove hull penetrator sealing thermistor on Data Report Form 4 Block 2C. caps.

6-5.35 (LWC) Determine whether thermistor, 6-5.45 (LWC) Thoroughly clean hull penetra- cable or both is/are defective. tor receptacle with cotton swabs and alcohol (items 12 and 13, Table 6-4). Install a new hull penetrator connector gasket (item 3, Table 6- 6-5.36 (LWC) If thermistor is defective and 4) and hull penetrator O-ring (item 2, Table 6- cable is good, obtain a new thermistor (item 4). Attach connector to hull penetrator and 15, Table 6-4) and record its serial number on tighten with spanner wrench. Repeat for Data Report Form 4 Block 2D. Replace O- remaining thermistor cable. rings in thermistor receptacle and cable connector, then reattach existing cable to thermistor. Proceed with paragraph 6-5.40. 6-5.46 (SHIP/LWC) Measure insulation resistance of both thermistors and cable assemblies from the preamplifier in the sonar 6-5.37 (LWC) If only the cable is defective equipment space (reference SMP 34-4405). obtain new cable, attach to thermistor. Pro- Record results on Data Report Form 4 Block ceed with paragraph 6-5.40. 3B.

6-5.38 (LWC) If both thermistor and cable are 6-5.47 (LWC) If paragraph 6-5.46 is com- defective obtain a new hydro-tested ther- pleted successfully, route cable in wireways in mistor/cable assembly (item 15, Table 6-4) the sonar penetrator cavity and band with and record its serial number on Data Report stainless steel banding (items 8, 9 and 10, Form 4 Block 2E. Table 6-4).

6-111 S0600-AA-PRO-060

6-5.48 (LWC) Inspect the sonar penetrator 6-5.52 (DV) Lubricate with Termalene grease cavity to ensure removal of all material and (item 1, Table 6-4) and install 18 5/8-inch 11 tools. UNC x 2-1/4-inch capscrews in the remaining holes. Remove the previously installed 5/8- 6-5.49 (SHIP) Close out the cavity, remove inch 11 UNC x 6-inch studs and replace them the CAUTION tag and reinstall the hull cover with the two remaining 5/8-inch 11 UNC x 2- plate. 1/4-inch capscrews after lubricating with Ter- 6-5.50 (DV) Inspect the NSS sea chest to malene grease. Torque all transducer hull win- ensure removal or all material and tools. dow capscrews to 55 foot-pounds in a diametrically opposed sequence. Verify fairness of window to non-pressure hull to ensure CAUTION window is fully seated on backing bar. Use of 5/8-inch 11 UNC x 2- 1/4-inch capscrews to pull the 6-5.53 (DV) Report completion of the torquing window into place will result in sequence to the LWC supervisor. damage to the window. Use the 5/8-inch 11 UNC x 6-inch studs (item 7, Table 6-4) to prevent 6-5.54 (LWC) Complete Data Report Form 4 damage. Block 3C. 6-5.51 (DV) Reinstall the transducer hull window using the two 5/8-inch 11 UNC x 6-inch 6-5.55 (LWC) Request ship’s force to remove studs (item 7, Table 6-4) to pull the window all DANGER tags and return the system to into place. operational status.

6-112 S0600-AA-PRO-060

Figure 6-35. Sonar External Hull Fitting (EHF) Arrangement.

6-113 S0600-AA-PRO-060

Figure 6-36. Connection of One Thermistor Cable Assembly Hull Connector to Hull Penetrator Receptacle.

6-114 S0600-AA-PRO-060

Figure 6-37. NSS Conduit Locations - Sonar Penetrator Cavity.

6-115 S0600-AA-PRO-060

Figure 6-38. NSS Interconnection Block Diagram.

6-116 S0600-AA-PRO-060

DATA REPORT FORM 4 Page 1 of 4

SHIP: (name and hull number)

TASK DESCRIPTION: Thermistor (starboard or port) assembly waterborne fault isolation and replacement procedures for Trident II D5 submarines.

EQUIPMENT COMPONENT: AN/BQN-25 Thermistor.

SYSTEM: SWS Navigation Systems

RELATED MAINTENANCE: SMP 34-4404, SMP 34-4405.

SUBSYSTEM: AN/BQN-25 Navigation Sonar System.

MANPOWER REQUIREMENTS:

DIVERS: Dive station manned in accordance with the requirements of NAVSEA 0994-LP-001-9010, U.S. Navy Diving Manual, Volume 1, Air Diving

SWS NAVIGATION REPAIR PERSONNEL (Lead Work Center, LWC, is Shop 67M):

Quantity Position

2 SWS Navigation Electronics Technicians or civilian System Mechanics

1 SWS Electronics Systems Quality Assurance Inspector.

MANHOUR EXPENDITURES

Procedural Step Elapsed Time (hours) X No. of Personnel = Manhours Expended

Preliminary

Step 1

Step 2

Step 3

Total Elapsed Time

Total Man-hours/Evolution

6-117 S0600-AA-PRO-060

DATA REPORT FORM 4 Page 2 of 4

PRELIMINARY PROCEDURES

BLOCK A (6-5.16): SMP 34-4405 Determination of Defective Thermistor

Defective thermistor Port Starboard Initials

PROCEDURAL STEP 1

BLOCK 1A (6-5.18): System Tag Out

System Secured and Tagged Out Signature/Date

BLOCK 1B (6-5.22): Visual Inspection

Condition of Cable Connector Sat Unsat Initials

Condition of Hull Penetrator Sat Unsat Initials

BLOCK 1C (6-5.23): Insulation Resistance Test (Hull Penetrator/Inboard Cable)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Pin 1 to Outer Shield ≥ 1 Mohm Mohm

Pin 2 to Outer Shield ≥ 1 Mohm Mohm

Sat Unsat Initials

BLOCK 1D (6-5.24): Insulation Resistance Test

TEST POINTS

Pin 1/2 to Ground (Thermistor/Cable Assy)

ACCEPTABLE VALUE ACTUAL VALUE

≥ 1 Mohm Mohm

Sat Unsat Initials

6-118 S0600-AA-PRO-060

DATA REPORT FORM 4 Page 3 of 4

Figure 6-39. Thermistor/Cable Test Point Identification.

6-119 S0600-AA-PRO-060

DATA REPORT FORM 4 Page 4 of 4

PROCEDURAL STEP 2

BLOCK 2A (6-5.28): Insulation of the Transducer Hull Window(s)

Severe Gouges, Major Nicks Yes No

Biofouling FR 40 or Greater Yes No

Condition of Hull Window(s) Sat Unsat Initials

BLOCK 2B (6-5.30): Inspection of the Sea Chest and Thermistors

Condition of sea chest Sat Unsat

Condition of Thermistor Sat Unsat Initials

BLOCK 2C (6-5.34): Record Serial Number of Tested Thermistor

Failed thermistor serial number

BLOCK 2D (6-5.36): Record Serial Number of New Thermistor

New thermistor serial number

BLOCK 2E ( 6 - 5 . 3 8 ) : R e c o r d S e r i a l N u m b e r o f N e w T h e r m i s t o r / C a b l e A s s e m b l y

New thermistor/cable assembly serial number

PROCEDURAL STEP 3

BLOCK 3A (6-5.43): Install New Thermistor

New thermistor installed

BLOCK 3B (6-5.46): Insulation Resistance Test (From Preamp)

TEST POINTS ACCEPTABLE VALUE ACTUAL VALUE

Pin 1/2 to Ground ≥ 100 Mohm Mohm

Sat Unsat Initials

BLOCK 3C (6-5.54): Window Torquing and Fairness to Hull

Sat Unsat Initials

6-120 S0600-AA-PRO-060

Figure 6-40. O-Ring Removal Tool.

6-121 S0600-AA-PRO-060

APPENDIX A

NSS HYDROPHONE INSERT REMOVAL TOOL

(Sheet 1 of 5)

A-1 S0600-AA-PRO-060

APPENDIX A

NSS HYDROPHONE INSERT REMOVAL TOOL

(Sheet 2 of 5)

A-2 S0600-AA-PRO-060

APPENDIX A

NSS HYDROPHONE INSERT REMOVAL TOOL

(Sheet 3 of 5)

A-3 S0600-AA-PRO-060

APPENDIX A

NSS HYDROPHONE INSERT REMOVAL TOOL

(Sheet 4 of 5)

A-4 S0600-AA-PRO-060

APPENDIX A

NSS HYDROPHONE INSERT REMOVAL TOOL

(Sheet 5 of 5)

NSS HYDROPHONE INSERT REMOVAL TOOL MATERIAL LIST

Item Qty Name Material Remarks

1 1 Bracket Consists of Items 1-1 thru 1-4

1-1 1 Plate NICU .25 thick

1-2 1 Plate NICU .25 thick

1-3 1 Plate NICU .375 thick

1-4 2 Plate NICU .25 thick

2 1 Flat Bar NICU .125 x 2.50

3 2 Bolt NICU .25-2OUNC-2AX 1.50

4 2 SLF LKG Nut NICU .25-2OUNC-2B

5 1 Round Bar CRES 316L .750 Dia.

6 1 Round Bar NIALBR 1.50 Dia.

7 1 Plate Steel 17-4 PH Condition H1075

A-5