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TM 9-2320-386-24-1-1
0239 00
PERSONNEL HOT WATER HEATER MAINTENANCE (Contd)
REMOVAL
NOTE
Tag all hoses for installation.
Have drainage container ready to catch excess engine coolant.
1.
Remove ten screws (2) and glove box (1) from instrument panel (34).
2.
Disconnect lead 400A (10) from hot water heater fan motor plug (11).
3.
Remove nut (15), lockwasher (14), GND terminal (13), and nut (16) from fan motor housing (12).
Discard lockwasher (14).
4.
Loosen clamp (26) and remove hot air duct (25) from adapter (30).
NOTE
Support hot water heater while performing steps 5 through 9.
5.
Remove screw (4) from mounting bracket (17) and support bracket (6).
6.
Remove screw (5) from support bracket (6) and mounting bracket (7).
7.
Remove screw (27) from mounting bracket (21) and insert (3).
8.
Remove locknut (32) and screw (33) from mounting bracket (31) and instrument panel (34). Discard
locknut (32).
9.
Loosen two clamps (22) and disconnect water supply hose (24) and water return hose (23) from hot
water heater (20).
10.
Remove hot water heater (20) from vehicle.
11.
Remove two screws (19) from heater air intake adapter (18) and heater fan motor housing (12).
12.
Remove four screws (28), lockwashers (29), and adapter (30) from hot water heater (20). Discard
lockwashers (29).
13.
Remove four screws (9), washers (8), and mounting brackets (7), (17), (21), and (31) from hot water
heater (20).
CLEANING AND INSPECTION
Clean and remove all silicone rubber adhesive from mating surfaces of heater air intake adapter (18)
and heater fan motor housing (12).
0239 00-2
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