Apache Service Manual
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AIRPLANE SERVICE MANUAL CARD 1 OF 2 APACHE PA-23-150 PA-23-160 Courtesy of Bomar Flying Service www.bomar.biz PIPER AIRCRAFT CORPORATION PART NUMBER 752-422 REVISED: OCT. 5, 1999 1A1 Published by Technical Publications © The New Piper Aircraft, Inc. 2926 Piper Drive Vero Beach, Florida 32960 U.S.A. Member General Aviation Manufacturers Association 1A2 PIPER COMANCHE SERVICE MANUAL AEROFICHE REVISION STATUS Revisions to this service manual 752 422, originally published (on paper only) in 1954, reissued (on paper only) March 15, 1968 and published on microfiche May 28, 1976 are as follows: Revisions Publication Date Aerofiche Card Effectivity ORIGINAL (Paper only) 1954 None COMPLETE REISSUE (Paper only) October 1960 None COMPLETE REISSUE (Paper only) March 15, 1968 None 1st (Paper only) December 21, 1973 None 2nd May 28, 1976 1 and 2 3rd February 13, 1980 1 and 2 4th February 23, 1983 1 and 2 5th April 29, 1986 1 6th September 15, 1998 1 and 2 7th* October 5, 1999 1 and 2 * Revisions appear in both cards. Accordingly, discard your existing card set and replace it with these cards dated October 5, 1999. A. Consult the latest Piper Customer Service Information Catalog No. 1753-755 (Aerofiche) for current revision dates for this manual. B. The General Aviation Manufacturers Association (GAMA) has developed specifications for microfiche reproduction of aircraft publications. The information compiled in this Aerofiche Service Manual will be kept current by revisions distributed periodically. These revisions will supersede all previous revisions and will be complete Aerofiche card replacements and shall supersede Aerofiche cards of the same number in the set. C. Conversion of Aerofiche alpha/numeric grid code numbers: First number is the Aerofiche card number. Letter is the horizontal row reference per card Second number is the vertical column reference per card. Example: 2J16 = Aerofiche card number two, row J, column 16. D. To aid in locating information, a complete Preface containing the Section Index Guide, List of Illustrations and List of Tables for all fiche in this set is provided at the beginning of Card 1. Each subsequent aerofiche card contains a partial Preface, displaying only those elements on that card. IDENTIFYING REVISED MATERIAL A revision to a page is defined as any change to the text or illustrations that existed previously. Such revisions, additions and deletions are identified by a vertical black line (change bar) along the left- hand margin of the page opposite only the text or illustration that was changed. Changes in capitalization, spelling, punctuation, indexing, the physical location of the material or complete page additions are not identified by revision lines. Example. Revised: 10/5/99 PREFACE 1A3 PIPER COMANCHE SERVICE MANUAL EFFECTIVITY This service manual is effective for all PA-23-150 and PA-23-160 airplanes as follows: Model Name Model Number Serial Numbers Model Years Apache PA-23-150 23-1 thru 23-1182 1954 - 1958 PA-23-160 23-1183 thru 1870 1958 - 1959 Apache G PA-23-160 23-1871 thru 23-2012 23-2044 thru 23-2046 1960 - 1962 Apache H PA-23-160 23-2013 thru 23-2043 1962 PARTS This manual generally does not contain hardware callouts for installation. Hardware callouts are only indicated where a special application is required. To confirm the correct hardware used, refer to the PA- 23 Apache Parts Catalog P/N 752 421, and FAR 43 for proper utilization. WARNINGS, CAUTIONS AND NOTES These are used to highlight or emphasize important information. — WARNING — OPERATING PROCEDURES, PRACTICES, ETC., WHICH MAY RESULT IN PERSONAL INJURY OR LOSS OF LIFE IF NOT CAREFULLY FOLLOWED. — CAUTION — OPERATING PROCEDURES, PRACTICES, ETC., WHICH IF NOT STRICTLY OBSERVED MAY RESULT IN DAMAGE TO EQUIPMENT. — Note — An operating procedure, condition, etc., which is essential to emphasize. PREFACE Revised: 10/5/99 1A4 PIPER APACHE SERVICE MANUAL SECTION INDEX GUIDE SECTION SUBJECT GRID NO. AEROFICHE CARD NO. 1 I INTRODUCTION 1A11 II HANDLING AND SERVICING 1A16 III INSPECTION 1D5 IV STRUCTURES 1E3 V SURFACE CONTROLS 1F10 VI HYDRAULIC SYSTEM 1G14 VII LANDING GEAR AND BRAKE SYSTEM 1I5 VIII POWER PLANT 1J7 IX FUEL SYSTEM 1K12 AEROFICHE CARD NO. 2 X INSTRUMENTS 2A10 XI ELECTRICAL SYSTEM 2B16 XII ELECTRONICS 2E11 XIII HEATING AND VENTILATING 2E12 Revised: 9/15/98 PREFACE 1A5 PIPER APACHE SERVICE MANUAL LIST OF ILLUSTRATIONS Figure No. Subject Grid No. 2-1. Three-View of Apache PA-23-150 / l60, Serial Nos. 23-1 to 23-l870 incl. ......... 1A18 2-2. Three-View of Apache PA-23-160, Serial Nos. 23-1871 and up ......................... 1A19 2-3. Station Reference Lines........................................................................................ 1B8 2-4. Station Reference Lines........................................................................................ 1B9 2-5. Access and Inspection Provisions ....................................................................... 1B10 2-6. Access and Inspection Provisions ....................................................................... 1B11 2-6b. Torque Wrench Formula....................................................................................... 1B17 2-7. Jacking Arrangement............................................................................................ 1B18 2-8. Weighing............................................................................................................... 1B19 2-9. Longitudinal Leveling .......................................................................................... 1B20 2-10. Lateral Leveling.................................................................................................... 1B20 2-11. Service Points ....................................................................................................... 1C2 2-12. Servicing Landing Gear Oleo Struts..................................................................... 1C5 2-13. Fuel Screen Bowl. ................................................................................................ 1C9 2-14. Oil Pressure Screen............................................................................................... 1C13 2- l5. Oil Suction Screen ............................................................................................... 1C13 2-16. Lubrication Chart ................................................................................................. 1C17 2-17. Identification of Aircraft Fluid Lines ................................................................... 1C19 2-17. Cherrylock Rivet Removal. .................................................................................. 1D1 2-19. Flareless Tube Fittings ......................................................................................... 1D3 3-1. Fuel Selector Valve Control Cables ..................................................................... 1D11 4-1. Door Lock Installation.......................................................................................... 1E10 4-2. Landing Light Installation, Serial Nos. 23-1 to 23-1163 incl............................... 1E11 4-3. Landing Light Installation, Serial Nos. 23-1164 and up ..................................... 1E12 4-4. Front Spar Attaching Members ............................................................................ 1E17 4-5. Empennage Skin Diagram ................................................................................... 1E18 4-6. Fuselage Skin Diagram......................................................................................... 1E19 4-7. Wing Skin Diagram ............................................................................................. 1E20 4-8. Nacelle Skin Diagram........................................................................................... 1E21 4-9. Surface Scratches Abrasions or Ground in Dirt .................................................. 1F2 4-10. Deep Scratches Shallow Nicks and Small Holes.................................................. 1F3 4-11. Mixing of Epoxy Patching Compound................................................................. 1F3 4-12. Welding Repair Method ....................................................................................... 1F4 4-13. Repairing of Cracks.............................................................................................. 1F4 4-14. Various Repairs..................................................................................................... 1F5 4-15. Repair of Stress Lines........................................................................................... 1F7 4-16. Repair of Impacted Damage................................................................................. 1F7 5-l. Aileron Control Installation.................................................................................. 1F12 5-2. Elevator Control Installation ................................................................................ 1F15 5-3. Rudder Control Installation .................................................................................. 1F16 5-4. Tail Trim Mechanism Installation ....................................................................... 1F20 5-5. Fabricated Aileron Bellcrank Special Tool .......................................................... 1F21 5-6. Aileron Adjustment Points ................................................................................... 1F22 5-7. Checking Neutral Position of Rudder..................................................................