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 TM 55-1905-219-14-7
3-172.1. CRANKSHAFT BEARINGS - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
REMOVAL (Cont)
b. Oil
Remove.
Refer to para-
inlet
graph 3-170.
pipe
c.
Lube
Remove.
Refer to para-
oil
graph 3-169.
pump
2.
Main
1, 2, 3
NOTES
All crankshaft main bearing journals, except the rear journal, are drilled
for
an oil passage. Therefore, the procedure for removing the upper
bearing shells with the crankshaft in place is somewhat different on the
drilled
journals than on the rear journal.
If shims are used between the oil pump and the main bearing caps, save
the shims so that they may be reinstalled in exactly the same location.
Remove one main bearing cap at a time and inspect the bearing shells as
outlined under inspection. Reinstall each bearing shell and bearing cap
before removing another bearing cap.
a. Bolts
Remove.
(1),
and
lock-
washers
(2)
b. Bearing
1. Insert two bolts in
cap
bearing cap, leaving
(3)
bottom of head acces-
sible.
2. Pry cap off.
3- 2984
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