158
KENR6932
Disassembly and Assembly Section
b.
Remove the front housing. Refer to Disassembly
and Assembly, “Housing (Front) - Remove”.
c.
Remove the crankshaft rear seal. Refer to
Disassembly and Assembly, “Crankshaft Rear
Seal - Remove”.
d.
Remove the rocker shaft and pushrods. Refer to
Disassembly and Assembly, “Rocker Shaft and
Pushrod - Remove”.
e.
If necessary, remove the cylinder head. Refer
to Disassembly and Assembly, “Cylinder Head -
Remove”.
f.
If necessary, remove the pistons and connecting
rods. Refer to Disassembly and Assembly,
“Pistons and Connecting Rods - Remove”.
NOTICE
If the crankshaft has been reground or if the crankshaft
has been replaced, the height of the piston above the
cylinder block must be inspected. It is necessary to
remove the cylinder head in order to inspect the height
of the piston above the cylinder block.
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened
component life.
1.
The engine should be mounted on a suitable
stand and placed in the inverted position.
2.
If the cylinder head, the pistons and the connecting
rods have not been removed already, remove the
connecting rod bearings. Refer to Disassembly
and Assembly, “Connecting Rod Bearings -
Remove”.
3.
Ensure that the main bearing caps are marked for
the location and orientation.
g01341323
Illustration 318
4.
Remove bolts (1) and main bearing caps (2) from
the cylinder block.
g01341324
Illustration 319
5.
Remove lower main bearing shells (3) from main
bearing caps (2). Keep the lower main bearing
shells with the respective main bearing caps.
Note:
The lower main bearing shells are plain
bearings that have no oil holes.
6.
Remove the two thrust washers from number six
main bearing in the cylinder block.