TM 5-3805-261-34
ENGINE MAINTENANCE.
13-5.
Crankshaft Main Bearings. (Sheet 7 of 12)
INSPECTION (Front, Center and Rear Main
Bearings)
14.
Remove six bolts (1) and three
items 3 and 4 as an assembly
(Figure 13-22).
15.
Remove plastigage.
16.
Using micrometer, measure and
record thickness of plastic gage.
17.
Compare recorded measurements
from step 16 with range of 0.0037
to 0.0068 inch. Replace crank-
shaft if measurement falls
outside this range.
INSTALLATION (Front, Center and Rear
Main Bearings and Thrust Bearings)
1.
Install two new thrust bearings
(5, Figure 13-17) on crankshaft
journal of rear main bearing,
fifth bearing from front.
2.
Position three items 4 and 3 as
an assembly (Figure 13-14) under
crankshaft journal of rear main
bearing, alining holes.
3.
Coat six washers (2) and bolts
(1) with clean engine oil and
install finger tight.
Figure 13-
Go to Sheet 8
13-27
Figure 13-
