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C.
Remove two screws (1) securing outlet pipe (2) to housing (8); remove outlet pipe (2) and gasket (3). Discard
gasket (3).
d.
Lift thermostat (4) from housing.
e.
Loosen two hose clamps (10) and remove bypass hose (11) from housing (8) and water pump housing.
f.
Remove four screws (6 and 7), housing (8), and gasket (9). Discard gasket (9).
If necessary, remove plugs (5) from housing (8).
g.
3-6.2. Inspection.
a.
Inspect thermostat for excessive wear or damage.
b.
Inspect housing for cracks, corrosion, or other damage.
3-6.3. Replacement.
a.
Replace thermostat if worn or damaged.
b.
Replace housing if badly corroded or damaged.
3-6.4. Installation.
a.
If removed, install plugs (5, FIGURE 3-1) in housing (8).
b.
Apply sealing compound (FORMAGASKET2) and position housing (8) with new gasket (9) on engine block
and secure with four screws (6 and 7). Install two shorter screws (6) in locations noted during removal. Tighten
all four screws to 168 in-lbs (19 Nm)
c.
Position thermostat (4) in housing (8).
Note location of two shorter screws (6) for use during installation.
If thermostat is suspected of being defective, replace thermostat.
NOTE :
N O T E
ARMY TM 9-2815-254-24
AIR FORCE TO 36G1-94-2
3-17
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