TB 9-6115-644-13
4-10
HEATER ASSEMBLY MAINTENANCE.
This task covers:
a. Inspect
d. Repair
b. Test
e. Replace
c. Remove
f. Install
INITIAL SETUP
Tools
Equipment Conditions
Tool Kit, General Mechanic's
Reference
(Item 1, appendix B)
Materials/Parts
None
Generator shut down, TM 9-6115-644-10, Paragraph 2-9.2
Heater shut off, TB 9-6115-644-13, Paragraph 2-4.1.c
INSPECTION
Inspection is limited to visual inspection of components. Check for damaged and frayed wiring.
TEST
Refer to troubleshooting procedures, Figures 4-4, 4-7, 4-9, 4-10, 4-11, 4-14, 4-15, and 4-17.
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.
Drain coolant system.
3.
Disconnect fuel clamp (1), Figure 4-21, and fuel line (2) from heater and drain any fuel from hose into a suitable
container.
4.
Disconnect wiring harness connector (17) from heater.
5.
Remove screw clamp (15), elbow (16), and exhaust hose (6) from heater (3).
6.
Position a suitable container under heater to catch coolant from hoses, and loosen screw clamps (7) to disconnect
coolant inlet hose (8) and outlet hose (9) from heater (3).
7.
Remove nuts (10), lockwasher (11), flatwasher (12), bolts (14), and heater (3) with mounting plate (13) from
bulkhead housing.
