TM 5-3895-379-23
THERMOSTAT MAINTENANCE (CB534C) - CONTINUED
0054 00
REMOVAL
1.
Loosen clamp (1) and remove radiator hose (2) from connector (3).
2.
Remove four screws (4) and connector (3) from thermostat housing (5).
3.
Remove thermostat (6), ring (7), seal (8) and O-ring (9) from thermostat housing (5). Discard ring, seal and O-ring.
2
4
1
3
8
9
6
7
5
401-2013
TESTING
1.
Hang thermostat in pan of water so that thermostat is completely under water. Do not allow thermostat to make contact
with pan.
2.
Place digital thermal resistor (thermometer) in water.
3.
Heat water with propane torch and stir to allow for consistent temperature.
NOTE
Opening temperature should be 170-185F (77-85C). Full open temperature should be 198-208F (92-
98C).
4.
Observe temperature at which thermostat opens. Replace thermostat if operation is not as specified.
0054 00-2
