TB 9-6115-642-13
Section VI. UNIT MAINTENANCE PROCEDURES.
WARNING
Do not attempt to perform any maintenance tasks on the kit while the generator is operating.
Serious electrical shock or death by electrocution may result from failure to observe this warning.
CONTROL UNIT MAINTENANCE.
This task covers:
a. Test
c. Replace
b. Remove
d. Install
INITIAL SETUP
Equipment Conditions
Tools
Tool Kit, General Mechanic's
Reference
(item 1, appendix B)
Generator shut down, TM 9-6115-642-10
Materials/Parts
Heater shut off, Paragraph 2-4.1.c
TEST
Refer to troubleshooting procedures, Figures 4-3, 4-8, and 4-14.
REMOVAL
WARNING
Disconnect negative battery cable from right battery and the positive
battery cable from the left battery before doing the following
procedures. Failure to observe this warning could result in severe
personal injury or death.
WARNING
Before disconnecting any coolant lines, let generator cool from
operation, then relieve pressure by opening radiator cap carefully.
Coolant is hot and under pressure and may cause severe burns.
1.
Disconnect negative battery cable.
2.
Disconnect electrical connectors.
3.
Remove two screws (1), Figure 4-20. flat washers (2), lock washers (4), nuts (5), and control unit (3).
REPLACEMENT
1.
Perform steps 1 thru 3 of removal.
2.
Perform steps 1 thru 3 of install, substituting new control unit for the defective one.
