TM 9-2350-256-20
CHAPTER 6
MAINTENANCE OF ELECTRICAL SYSTEMS AND CIRCUITS
CHAPTER OVERVIEW
This chapter describes how to remove, disassemble, adjust, assemble, and install electrical systems and circuits.
This chapter consists of the following sections:
Page
Section I:
Charging/Starting System and Vehicle Batteries ................6-1
Section II:
Gages and Switch Panels ..................................................6-18
Section III:
Sending Units, Warning Light Switches, and Warning
Horns.................................................................................6-43
Section IV:
Lighting System.................................................................6-56
Section V:
Vehicle Wiring ...................................................................6-74
Section VI:
Miscellaneous Electrical Components................................6-258
Section VII:
Terminal Connector Procedures .......................................6-264
SECTION I: CHARGING/STARTING SYSTEM AND VEHICLE BATTERIES
Para.
Task
Page
6
1
Replace/Repair Engine Generator, Cradle, Support, and Related Parts ........................................ 6-1
6
2
Replace Master Relay Housing (Dual and Single Voltage) ........................................................... 6-8
6
3
Replace Engine Starter, Solenoid Relay, and Bracket............................................................... ... 6-9
6
4
Replace Batteries, Battery Trays, and Terminal............................................................................ 6-12
6
5
Replace Voltage Regulator and Related Parts (Dual Voltage) (11672403)...................... .............. 6-14
6
6
Replace Voltage Regulator (Single Voltage) (11659111-1) ........................................................... 6-17
6
7
Replace Engine and Auxiliary Power Unit (APU) Armature Relay (Single Voltage) ....................... 6-18
6
1
REPLACE/REPAIR ENGINE GENERATOR, CRADLE, SUPPORT, AND RELATED PARTS
THIS TASK COVERS
a. Removal
b. Disassembly
c. Assembly
d. Installation
INITIAL SET-UP
Tools:
Parts:
Tool kit, general mechanic's (Appendix C,
Lockwashers (8) (Appendix G, item 130)
item 53)
Lockwashers (6) (Appendix G, item 100)
Wrench, box and open-end combination
Lockwire (Appendix G, item 58)
(Appendix C, item 55)
Nuts, self-locking (4) (Appendix G, item 167)
Equipment Condition:
Powerplant removed (see paragraph 3-1)
WARNING
Be certain MASTER switch is OFF when working on electrical system to avoid electrical shock and
burns.
6
1