TM 10-3930-675-20-2
0066 00-1
THERMOSTAT REPLACEMENT
0066 00
THIS WORK PACKAGE COVERS
Removal, Installation
INITIAL SETUP
Tools and Special Tools
Took kit, general mechanic’s (Item 31, WP 0204 00)
Wrench, torque, 15-75 lb-ft capacity (Item 42, WP
0204 00)
Materials/Parts
Rag, wiping (Item 22, WP 0203 00)
Seal, o-ring (P/N 186780)
References
TM 10-3930-675-10
WP 0063 00
Equipment Condition
Engine cover removed (WP 0143 00)
Radiator splash shield removed (WP 0136 00)
Alternator removed (WP 0069 00)
REMOVAL
WARNING
DO NOT perform maintenance on cooling system unless engine has been allowed to cool down. This is a
pressurized cooling system and escaping steam or hot coolant will cause serious burns.
1.
Position suitable container under radiator draincock. Open draincock and drain coolant. Retain coolant for filling cool-
ing system.
2.
Loosen coolant bypass hose clamps (1) on upper and lower hoses (2 and 4).
3.
Remove upper hose (2) and lower hose (4) from thermostat housing (3). Ensure that flow restriction disc (5) is retained
for installation.
1
2
3
1
4
5
