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TM 10-3930-638-24&P
4-2. ENGINE MAINTENANCE (cont)
d. Crankshaft and Main Bearings (cont).
STEP
LOCATION
ITEM
ACTION
REMARKS
INSTALLATION (cont)
12
(cont)
i. Crankshaft (8)
Lift out
j. Bearing liner
Lubricate
Located in cylinder block bearing bores;
k. Crankshaft (8)
use No. 30 oil
Install
l. Crankshaft gear (9)
Check
Align timing marks on gear (9) with double
marks on camshaft gear as shown
13
14
15
Main bearing
Bearing liner
cap (4, 5, 6,
and 7)
Crankshaft (8)
Main bearing
journals
Cylinder
a. Main bearing
block
cap and liner
(5, 6, and 7)
b. Eight cap screws (3)
c. Crankshaft (8)
Lubricate
Lubricate
Position
Install
Check end play
Located in bore of bearing cap; use No.
30 oil
Use No. 30 oil
Tighten to 90-100 pounds foot torque
Place dial indicator on crankshaft gear (9).
Using pry bar between crank throw and
bearing cap (6) take up all end play and
check dial indicator reading. Maximum
end play is 0.015 inch
4-34
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