TM 5-3825-229-14&P
4-46A. THERMOSTAT AND COOLING LINES
THIS TASK COVERS:
a.
Removal
c. Installation
b.
Testing
d. Cooling Lines
INITIAL SETUP:
Tools Required:
Equipment Conditions:
Nomenclature:
Ref.
Conditions
General Mechanics
2-14
Engine shut off
Tool Kit
4-56
Engine housing removed
Equipment/Materials Required:
Antifreeze (Item 1, Appendix E)
a.
Removal of Thermostat.
(1)
Drain cooling system (para. 4-46 above).
(2)
Remove two screws (1) and washers (4) securing
thermostat cover (2) to water pump (3).
(3)
Lift thermostat cover with hose (5) attached
and place to one side.
(4)
Remove gasket (6) and thermostat ( 7) from water
pump.
b.
Testing Thermostat.
(1)
Suspend thermostat in a pan of clean water.
Thermostat must be immersed but not touching
bottom of pan.
Removing and installing Thermostat
4-94