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ARMY TM 9-2815-252-24
AIR FORCE TO 38G1-92-2
Warning
If the engine has been operating and coolant is hot, allow engine to cool before you slowly
loosen filler cap and relieve pressure from cooling system. Failure to follow this procedure
could result In personal Injury.
3-9.
THERMOSTAT.
3-9.1.
Removal.
a.
Remove negative battery cable.
b.
Drain coolant system, refer to end item maintenance manual.
c.
Loosen hose clamp and disconnect outlet hose from thermostat housing (3, FIGURE 3-4).
d.
Remove two capscrews (1), washers (2), thermostat housing (3), and gasket (4). Discard gasket (4).
e.
Remove thermostat (5) from water pump.
NOTE
If thermostat is suspected of being defective, replace thermostat.
3-9.2.
Inspection.
a.
Inspect thermostat for excessive wear or damage.
b.
Inspect housing for cracks, corrosion, or other damage.
3-18
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