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 TM 55-1905-223-24-1
(5)
Remove nearest portion of inlet water transfer metal tube assembly (47, FIGURE 2-12), and
two preformed packings (8).
(6)
Remove the next two segments of the inlet water transfer metal tube assembly (9 and 13),
and three preformed packings (12 and 14).
(7)
Remove retainer ring (15) retaining the next segment of tube (16).
(8)
Remove the next segment of inlet water metal transfer tube assembly (16) and preformed
packing (17).
(9)
Remove hexagon head capscrews (20), lockwashers (19) and ring spacers (18) from water
transfer expansion plugs (36 and 38). Remove two pipe plugs(37).
(10)
Remove retaining ring (23) from the next segment of inlet transfer metal tube assembly (22).
(11)
Remove next segment of inlet transfer metal tube assembly (22) and two preformed
packings (21 and 35).
(12)
Remove machine bolts (24) and lockwashers (25) retaining metal tube assembly (26).
(13)
Remove metal tube assembly (26) and preformed packing (34) from water connection (27).
(14)
Remove hexagon head capscrews (31) and lockwashers (32). Remove water connection
(27) and gasket (33). Discard gasket.
(15)
Remove preformed packing (28,30) from water transfer assembly (29).
h.
To remove the thermostat housing suppo t, perform the following steps.
r
WARNING
The thermostat housing support is heavy. Attach a lifting device to prevent
personnel injury or equipment damage.
(1)
Remove pipe plugs (43 and 48, FIGURE 2-12) from both sides of thermostat housing support
(44).
(2)
Remove six hexagon head capscrews (46) and lockwashers (45) retaining support (44) to the
engine block.
(3)
Remove thermostat housing support (44).
INSPECTION
a.
Test the performance of the thermostats with a thermometer and contaner of heating water.
i
Thermostats should be fully open between 170F (-9 ) and 22 (-60C) and should be closed at 1650F
C
F
(760 ). Replace any thermostat that fails to function freely.
C
2-55
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