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 TM 55-1905-220-14-4
3-41. CRANKSHAFT BEARINGS (Cont).
LOCATION
ITEM
ACTION
REMARKS
INSPECTION (Cont)
stall over-
size thrust
washer on one
or both sides
of the rear
main bearing.
A new standard
size thrust
washer is .1190
to .1220 inch
(0.3023 to
0.3099 cm)
thick. Thrust
washers are
available in
.005 and .010
inch (0.0127
and 0.0254 cm)
oversize.
INSTALLATION
6. Upper
Upper bear- 1. Clean.
bear-
ing shells
ing
(4)
2. Lubricate.
Use clean en-
Numbers
gine oil.
1, 2, 3,
4, 5, 6
NOTE
The upper and lower main bearing shells are not alike: the upper bearing
shell is grooved and drilled for lubrication - the lower bearing shell is not. Be
sure to install the grooved and drilled bearing shells in the cylinder block and
the plain bearing shells in the bearing caps, otherwise the oil
3-886
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