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 TM 55-1905-220-14-4
3-22. THERMOSTAT - MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARKS
TEST
13. Thermo-
Check the operation of a thermostat by immersing it
stats
in a container of hot water. Place a thermometer in
container, but do not allow it to touch the bottom
of the container. Agitate the water to maintain an
even temperature throughout the container. As the
water is heated, the thermostat should begin to open
when water temperature is approximately 165or 170
F
(73.8 or 76.60C). (The opening temperature is usual-
ly stamped on the thermostat). The thermostat should
be fully open at approximately 1850F (850C)
A - STARTS TO OPEN
B - FULLY OPEN
INSTALLATION
14. Left
a.
Hose (48),
Place on water
side
and hose
manifold.
clamp (37)
b.
Left thermo-
Align with holes on
Use new gas-
stat assem-
engine, and hose (48).
ket.
bly (47),
gasket (49)
c.
Screw (43),
Install.
lockwasher
(44), and
flatwashers
(45 and 46)
3-604
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