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TM 9-2320-360-34-1
CYLINDER HEAD INSPECTION
(1) Open hood (TM 9-2320-360-10).
(2) Remove radiator cap from radiator.
(3) Install adapter on radiator.
(4) Install cooling system pressure tester and
adapter.
(5) Pressurize cooling system to 10 psi (69 kPa)
and check cylinder heads for leaks.
(6) Release pressure and remove cooling system
pressure tester from adapter.
(7) Remove adapter from radiator.
(8) Install radiator cap on radiator.
(9) Install engine air box covers (para 3-8).
(10)Close hood (TM 9-2320-360-10).
WATER PUMP INSPECTION
(1) Remove water pump (para 5-5).
WARNING
· Wear eye protection and use care when
removing retaining rings. Retaining rings are
under spring tension and can act as projectiles
when released and may cause severe eye
damage.
· Due to size and tension of retaining ring In step
(2), ensure suitable retaining ring pliers are
used for safety. Press a hammer against pump
cover to help prevent injury should the retaining
ring slip off the pliers.
(2) Remove retaining ring, pump cover and preformed packing
from water pump.
(3) Move impeller in and out on shaft to detect excessive play.
(4) Position water pump drive gear in softjaw vise.
(5) Insert impeller slip test adapter dowel pins into impeller.
(6) Attempt to turn impeller with impeller slip test adapter. No
slippage should be felt with torque of 80 Ib-ft (108 Nm).
(7) Install new preformed packing and pump cover on water pump
with new retaining ring.
(8) Install water pump (para 5-5).
Change 2 2-75
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