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 TM 10-3930-638-24&P
4-2. ENGINE MAINTENANCE (cont)
i. Oil Pump (cont).
REMARKS
ACTION
ITEM
LOCATION
STEP
REASSEMBLY (cont)
12
Compress spring (11) and retainer (10)
Install
d. Cotter pin (9)
until retainer is below cotter pin hole.
(cont)
Use new cotter pin and bend it to re-
tain in place
Use new gasket
Position
e. Gasket (7)
Position
f. Cover assembly (6)
NOTE
While tightening screw (4) and cap screw (2) position cover assem-
bly to provide free rotation of oil pump gears.
Tighten to 6-8 pounds foot torque
Install
g. Screw (4) and
lock washer (5)
Tighten to 6-8 pounds foot torque
Install
h. Three cap screws (2)
and lock washers (3)
Use new O-ring. Use clean engine oil
Install and
i. O-ring (8)
(refer to current lubrication order)
lubricate
On oil pump body
Install
Oil pump screen (1)
13
Oil pump
screen (1)
INSTALLATION
Position
On top of front main bearing cap
a. Shim(s) (5)
14
Cylinder block
NOTE
Install a shim pack with 0.015 inch minimum thickness to ensure
that pump gear and crankshaft gear are not jammed together.
CAUTION
In following step be careful you don't cut O-ring on sharp edge of
cylinder block when you install oil pump
On top of shim(s) (5) and front main
b. Oil pump assembly (4) Position
bearing cap
Tighten to 90-100 pounds foot torque
Install
c. Two cap screws (1)
Tighten to 90-100 pounds foot torque
Install
15
Two cap screws (2) and
Oil pump
washers (3)
screen
4-73
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