Technical Manual Introduction 1-1
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TM 5-2330-378-14&P TECHNICAL MANUAL INTRODUCTION 1-1 OPERATOR'S, UNIT, OPERATING DIRECT SUPPORT, AND INSTRUCTIONS 2-1 GENERAL SUPPORT MAINTENANCE OPERATOR/CREW 2-6 MANUAL (INCLUDING REPAIR PARTS Pmcs OPERATOR/CREW AND SPECIAL TOOLS LIST) TROUBLESHOOTING PROCEDURES A3-2 FOR UNIT SEMITRAILER, LOWBED: 40-TON PIVICS 4A-3 CONSTRUCTION EQUIPMENT UNIT TROUBLESHOOTING TRANSPORTER PROCEDURES 4-9 M870 (CCE) DIRECT SUPPORT AND GENERALSUPPORT (CMI/LOAD KING MODEL 4031-F) MAINTENANCE 5-1 (NSN 2330-00-133-1731) MAINTENANCE ALLOCATION CHART B-1 SEMITRAILER, LOWBED: 40-TON REPAIR PARTS AND SPECIAL TOOLS LIST E-1 CONSTRUCTION EQUIPMENT TRANSPORTER LUBRICATION INSTRUCTIONS J-1 M870AI (NSN 2330-01-224-9245) INDEX INDEX-1 This publication supersedes TM 5-2330-378-14&P dated 18 May 1988 and TM 5-2330-360-14&P dated 06 December 1984. Approved for public release; distribution is unlimited. HEADQUARTERS, DEPARTMENT OF THE ARMY TM 5-2230-378-14&P FORINFORMATIONON FIRSTAID,REFERTO FM21-11. WARNING DRYCLEANING SOLVENT • Drycleaning solvent is TOXIC and flammable. Wear protective goggles and gloves; use only in a well-ventilated area; avoid contact with skin, eyes, and clothes; and DO NOT breathe vapors. Keep away f rom heat or f lame. Never smoke when using drycleaning solvent. Failure to follow this warning may result in injury or death to personnel. • If personnel become dizzy while using drycleaning solvent, immediately get fresh air and medical help. If solvent contacts skin or clothes, flush with cold water. If solvent contacts eyes, immediately flush them with water and get immediate medical attention. • When drycleaning solvent Is used, notify the local medical authority (preventive medicine) and environmental coordinator concerning medical surveillance, respiratory protection, and disposal requirements. WARNING AIR UNDER PRESSURE @Li • Wear protective goggles when opening air reservoir drain cock. Avoid contact with the air stream. Failure to follow this warning may result in injury or death to personnel. • Compressed air used for cleaning or drying purposes, or for clearing restrictions, should never exceed 30 psi (207 kPa). Wear protective clothing (gogglestshield, gloves, etc.) and use caution, to avoid injury to personnel. • When opening drain cock, turn face away from exhaust air blast, to prevent eye injury. • Wear eye protection when working with air under pressure. Failure to do so could result in eye injury. • Particles blown by compressed air are hazardous. Failure to wear protective goggles when drying metal parts could cause serious eye injury. a TM5-2330-378-14&P WARNING COUPLING Allpersonsnotinvolvedincouplingoperationsmuststandclearoftowingvehicleand semitrailer.Failureto followthiswarningmayresultininjuryordeathto personnel. WARNING HEAVYCOMPONENTS F* • Placementofjacksisextremelyimportantwhenworkingon lowerlinkassembly. Failureto placejacksproperlycouldresultininjuryordeath. • Keepfingersfrombetweenequalizerbeamendsandspringendswhilebalancing axleas it is movedand liftedintoplace. Failureto do socouldresultin serious injuryto personnel. WARNING BRAKES • Hubmaybehot. Beforeputtinghandto hubandbrakedrum,holdhandcloseto brakedrumto checkfor excessiveheatradiation. Thiswill preventskin burns causedby hotmetal. • Brakeliningsmaycontainasbestosfibers. Protectivemaskmustbewornwhile workingon brakelinings. Failureto do socouldresultin seriousillness. WARNING TIRES Wheneverpossible,useacageforprotectionandobservecautionwheninflatingtires. Makesuretiresare properlyseatedon rimsbeforeinflating.Improperlyseatedtires canburstwithexplosiveforcesufficienttocausedeath. b TM5-2230-378-14&P WARNING LIGHTS Donotoperatesemitrailerwithburnedoutormissingrunninglights,stoplights,orturn lights. Failureto beseencouldresultininjuryto personnel. WARNING SECURINGSEMITRAILER Be surewheelsarechockedbeforebeginningany maintenanceprocedure.Failure to do so couldresultin injuryto personnel. WARNING GOOSENECKANDHINGEPIN ;k r7 • Do not work under the gooseneck without lockpins securely in place. Injury or death may result. • Before removing hinge pin, the part being freed must be supported. If hinge pin is being removed from lower link arm, support end of lower link arm with dolly jack. If hinge pin is being removed from deck assembly, deck assembly must be supported by overhead hoist. Failure to heed this warning may result in injury or death. WARNING AIR HOSE Make sure that service and emergency air hoses are correctly installed on towing vehicle and that air valves are open, in order to supply air pressure to trailer. Ignoring this warning will result in total brake failure, which may result in serious injury or death to personnel. c/(d blank) TMI 5-2330-378-14&P TECHNICAL MANUAL HEADQUARTERS NO. 9-2330-378-14&P DEPARTMENT OF THE ARMY Washington, D.C., OPERATOR'S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST) FOR SEMITRAILER, LOWBED: 40-TON CONSTRUCTION EQUIPMENT TRANSPORTER M870 (NSN 2330-00-133-1731) M870Al (NSN 2330-01-224-9245) REPORTING ERRORS AND RECOMMENDING IMPROVEMENTS You can help improve this publication. If you find any mistakes or if you know of a way to improve the procedures, please let us know. Submit your DA Form 2028-2 (Recommended Changes to Equipment Technical Publications), through the Internet, on the Army Electronic Product Support (AEPS) website. The Internet address is http://aeps.ria.army.mil. If you need a password, scroll down and click on "ACCESS REQUEST FORM". The DA Form 2028 is located in the ONLINE FORMS PROCESSING section of the AEPS. Fill out the form and click on SUBMIT. Using, this form on the AEPS will enable us to respond quicker to your comments and better manage the DA Form 2028 program. You may also mail, fax or email your letter, DA Form 2028, or DA Form 2028-2 direct to: Commander, U.S. Army Tank - automotive and Armaments Command, ATTN: AMSTA-AC-NML, Rock Island, IL 61299-7630. The email address is amsta-ac-nn-d@,ria.army.mil. The fax number is DSN 793-0726 or Commercial (309) 782- 0726. Approved for public release; distribution is unlimited. TABLE OF CONTENTS Page HOW TO USE THIS MANUAL ....................................................................................................................... \4 CHAPTER I INTRODUCTION Section I General Information ............................................................................................................ 1-1 Section 11 Equipment Description ....................................................................................................... 1-5 Section III Principles of Operation ..................................................................................................... 1-12 CHAPTER 2 OPERATING INSTRUCTIONS Section I Description and Use of Operator's Controls and Indicators ............................................. 2-1 Section 11 Operator/Crew Preventive Maintenance Checks and Services (PMCS) .......................... 2-6 *This publication supersedes TM 5-2330-378-14&P dated 18 May 1988 and TM 5-2330-360-14&P- dated 06 December 1984. TM5-2330-378-14&P TABLEOF CONTENTS(continued) Page Section III Operation Under Usual Conditions ................................................................................. 2-16 Section IV Operation Under Unusual Conditions ................................................................ ............ 2-29 CHAPTER 3 OPERATOR MAINTENANCE INSTRUCTIONS Section I Lubrication Instructions ....................................................................................................... 3-1 Section II Operator/CrewTroubleshooting Procedures ........................................................................ 3-2 Sectionill Operator Maintenance Procedures ................................................................................... 3-13 CHAPTER 4 UNIT MAINTENANCE Section I Repair Parts; Tools; Special Tools; Test, Measurement, and Diagnostic Equipment (TMDE); and Support Equipment ...................................................................... 4-1 Section II Service upon Receipt .......................................................................................................... 4-2 Sectionlil Unit Preventive Maintenance Checks and Services (PMCS) ................................................ 4-3 Section IV Unit Troubleshooting ...................................................... .................................................... 4-9 Section V General Maintenance Instructions .................................................................................... 4-42 Section VI Electrical System Maintenance ................................................................................ ....... 4-47 Section VII Brake System Maintenance .......................................... ................................................ 4-100 Section VIII Wheels, Hubs, and Brakedrums Maintenance ..... .......................................................... 4-144 Section IX Frame and Towing Attachments Maintenance ................................. .............................. 4-155 Section X BodyMaintenance ......................................................................................................... 4-162 Section XI Accessory Items Maintenance .......................................................................... ............ 4-164 Section XII Preparation for Storage or Shipment ............................................................................... 4-170 CHAPTER 5 DIRECT SUPPORT AND GENERAL