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 TM 55-1905-223-24-3
(2) If cracked or pitted, replace.
f.
Remove two machine screws (2) securing water outlet connection (1) to the housing (12) and remove
gasket (21). Discard gasket.
g. Using solvent, clean water outlet connection (1) and housing support (12) gasket surfaces.
(1) Check water outlet connection (1) for cracks or pitting.
(2) Replace water outlet connection (1), if pitted or cracked.
REPLACEMENT
a. Install new gasket (21) on water outlet connection (1) and position on housing (12).
b. Install two machine screws (2) and tighten to 35 ft-lb (47.4 N ) torque.
m
c.
Install new gasket (8) on thermostat support (4).
d. Position thermostat support (4) and gasket (8) and secure with two machine screws (7), lockwashers
(5), and hexagon capscrews (6). Tighten screws to 35 ft-lb (48 N ) torque.
m
e. Install engine temperature switch (3) in thermostat support (4) and connect electrical wiring to switch.
Remove tags.
f.
Install new flow control thermostat (9) in housing (12).
g. Install new gasket (11) on housing (12).
h. Position housing (12) on thermostat support (4) and secure with four assembled washer screws (2).
Tighten screws (20) to 35 ft-lb (48 -m) torque.
N
i.
Install new preformed packing (15) and bent metallic tube (14) with new nonmetallic hose (13) and
hose clamps (18). Tighten hose to 40 in-lb (4.5 N ) torque.
m
j.
Position rim clenching clamps (16) and secure with machine bolts (17). Tighten machine bolts to 35 ft-
lb (48 N-m) torque.
k.
Connect nonmetallic hose (22) to water outlet connection (1) and secure with hose clamp (22). Tighten
hose clamp to 40 in-lb (4.5 Nom) torque.
l.
Install pipe plugs (19) and secure.
m. Fill engine cooling system. Refer to Table 2-1, Item 24.
n. Replace fill cap on external expansion tank and secure.
2-71
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