3208 INDUSTRIAL AND MARINE ENGINES
DISASSEMBLY AND ASSEMBLY
CRANKSHAFT MAIN BEARINGS
REMOVE AND INSTALL CRANKSHAFT MAIN
10-1203
Tools Needed
A
B
C
D
2P5518
Bearing Tool
1
581161
Wire
*
8S5131
Adapter
1
8S2328
Dial Test Indicator Group
1
start by:
a) remove oil pan
1. Remove the bolts and washers that hold main
bearing cap (2) in place. Remove the bearing
cap and the lower half of the main bearing.
2. Remove bearing (1) from the bearing cap.
NOTE: When removing and installing the No. 1 main
bearing cap use tool (C) to remove and install the bolts
that hold the bearing cap in place.
3. Turn the crankshaft until tool (A) can be
installed in the oil hole in the crankshaft journal.
Install tool (A).
4. Remove the upper half of the main bearing by
turning the crankshaft and moving the bearing
out of the cylinder block with tool (A).
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