TM 5-3895-373-20
6.3.
REMOVE, TEST, AND INSTALL THERMOSTAT.
This task covers:
a. Remove
b. Test
c. Install
Tools:
References:
General mechanic’s automotive tool kit
TM 5-3895-373-10
(Item 54, Appendix E)
TM 5-3895-373-24P
Torque wrench (Item 68, Appendix E)
TM 750-254
Materials/Parts:
Equipment Conditions:
Thread locking compound (Item 12, Appendix C)
Drain engine coolant per paragraph 2.23.3.
Thread locking compound solvent (Item 25, Appendix C)
Gasket
A.
REMOVE.
1.
REMOVE UPPER COOLANT HOSE.
a.
Loosen hose clamps (1) on upper coolant
hose (2).
b.
Remove upper coolant hose (2).
2.
REMOVE THERMOSTAT.
a.
Remove hex head cap screws (3) and
lockwashers (4) securing connection (5).
Remove
connection.
Discard
lockwashers.
b.
Remove and discard gasket (6).
Remove thermostat (7).
B.
TEST.
1.
TEST THERMOSTAT PER TM 750-254.
2.
THERMOSTAT SHOULD START TO OPEN AT
1700 TO 180°F (77° TO 82°C) AND BE FULLY
OPEN AT 208°F (98°C).
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