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 TM 55-1905-217-12
Figure 4-37. Engine water manifold removal
or replacement of the pump becomes necessary, it may
be removed from the engine as follows:
(1) Remove nuts holding inlet and outlet
fittings (fig. 4-40) to water pump. Hull numbers 8540
thru 8560 and 8580 thru 8618 have four nuts at each
port mounting flange.
(2) Remove adapter to flywheel housing bolts
and lockwashers.
(3) Using wood block or soft hammer, loosen
pump from flywheel housing by tapping on edge of
adaptor.
(4) Withdraw pump straight out from fly-wheel
housing, disengaging drive gear from coupling.
CAUTION
Figure 4-38. Thermostat and thermostat housing
removal.
Cover pump opening in flywheel housing with clean cloth
to prevent entrance of foreign matter.
the water pumped and should not be run dry for longer
than normally required for the pump to prime itself. A
c. Raw Water Pump Installation. Install the pump
rotary-type seal seals against leakage along the raft.
by reversing the removal procedures.
b. Raw Water Pump Removal. If disassembly
4-42
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