TM 5-3895-379-23
THERMOSTAT MAINTENANCE (CB534B) - CONTINUED
0053 00
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 thermal digital 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 temperatures are not as specified.
INSTALLATION
NOTE
Thermostat is replaced as a kit with preformed packing.
1.
Position thermostat (8) and new preformed packing (9) in thermostat housing (6).
2.
Install connector (3) on thermostat housing (6) with four screws (7) and bolts (5 and 4). Tighten screws to 25-41 lb-
ft (34-56 Nm).
3.
Install radiator hose (2) on connector (3) and tighten clamp (1).
2
1
7
5
4
3
8
9
6
401-406
0053 00-2
