TM-9-2520-238-34
M113A1 FOV, M113A2 FOV, M548 AND M548A1
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL; RIGHT ANGLE DRIVE, COOLING FAN; GEARCASE, TRANSFER; DRIVE ASSEMBLY, FINAL; DIFFERENTIAL, STEERING CONTROL; BRAKE, SINGLE DISK; CYLINDER ASSEMBLY, HYDRAULIC BRAKE
TM-9-2520-238-34 - Page 6 of 319
TM 9-2520-238-34
TABLE OF CONTENTS
WP Sequence No.
WARNING SUMMARY
HOW TO USE THIS MANUAL
CHAPTER 1 — INTRODUCTORY INFORMATION WITH THEORY OF OPERATION
GENERAL INFORMATION.
.............................................................................................................................
000100
EQUIPMENT DESCRIPTION AND DATA.
......................................................................................................
0002 00
REPAIR PARTS, SPECIAL TOOLS, TMDE, AND SUPPORT EQUIPMENT.
...............................................
0003 00
CHAPTER 2 —
TROUBLESHOOTING PROCEDURES
INTRODUCTION TO HOW TO USE TROUBLESHOOTING.
.......................................................................
0004 00
MALFUNCTION/SYMPTOM INDEX WP.
......................................................................................................
0005 00
COOLING FAN RIGHT ANGLE DRIVE LEAKS OIL.
...................................................................................
0006 00
COOLING FAN RIGHT ANGLE DRIVE BINDS OR MAKES GRINDING NOISE.
.....................................
0007 00
TRANSFER GEARCASE LEAKS OIL.
............................................................................................................
0008 00
DIFFERENTIAL MAKES EXCESSIVE NOISE OR VIBRATES WHILE TURNING.
..................................
0009 00
DIFFERENTIAL MAKES EXCESSIVE NOISE OR VIBRATES WHILE MOVING.
....................................
0010 00
FINAL DRIVE BINDS OR MAKES GRINDING NOISE.
................................................................................
0011 00
FINAL DRIVE LEAKS OIL.
..............................................................................................................................
0012 00
FINAL DRIVE HAS WATER INSIDE.
..............................................................................................................
0013 00
CHAPTER 3 — DIRECT SUPPORT MAINTENANCE INSTRUCTIONS FOR PMCS
INCLUDING LUBRICATION PROCEDURES
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING
LUBRICATION INSTRUCTIONS.
...........................................................................................................
0014 00
CHAPTER 4 — DIRECT SUPPORT MAINTENANCE INSTRUCTIONS FOR REPAIR
COOLING FAN RIGHT ANGLE DRIVES
REPAIR COOLING FAN RIGHT ANGLE DRIVES A AND B.
.......................................................................
0015 00
REPAIR COOLING FAN RIGHT ANGLE DRIVE C (M113A3 FOV ONLY).
................................................
0016 00
CHAPTER 5 — DIRECT SUPPORT MAINTENANCE INSTRUCTIONS FOR REPAIR
TRANSFER GEARCASES
REPAIR TRANSFER GEARCASES A, B, AND C.
..........................................................................................
0017 00
REPLACE TRANSFER GEARCASE A, B, OR C WITH SERVICE SPARE TRANSFER
GEARCASE E.
..........................................................................................................................................
0018 00
REPAIR TRANSFER GEARCASE F.
................................................................................................................
0019 00
CHAPTER 6 — DIRECT SUPPORT MAINTENANCE INSTRUCTIONS FOR REPAIR FINAL
DRIVE ASSEMBLIES
ii
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