CHAPTER 6: MAINTENANCE OF ELECTRICAL SYSTEMS AND CIRCUITS
TM 9-2350-256-20
6-12 REPLACE HEATER CONTROL BOX
THIS TASK COVERS
a. Removal
b. Installation
INITIAL SET-UP
Tools:
Parts:
Tool kit, general mechanic's (Appendix C,
Lockwashers (2) (Appendix G, item 116)
item 53)
WARNING
Be certain MASTER switch is OFF when working on electrical system to avoid electrical shock and bums.
a. REMOVAL
1 Disconnect wiring harness (1) from heater control box (2).
2 Disconnect lead (3).
3 Remove two screws (4) from heater control box
front panel (5).
4 Slide heater control box front panel (5) forward out
of heater control box (2).
5 Remove heater control box (2) by removing two
screws (6), two lockwashers (7), and two nuts (8).
b. INSTALLATION
1 Install heater control box (2) using two screws (6),
two new lockwashers (7), and two nuts (8).
2 Slide heater control box front panel (5) into position
on heater control box (2) and install two screws (4).
3 Connect lead (3).
4 Connect wiring harness (1) to heater control box (2).
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