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Yanmar 4JH4E - Page 174

Yanmar 4JH4E
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4. Disassembly and reassembly
154
(35) Turning the engine over
Turn the engine over, with the cylinder head
mounting surface facing down.
Note:
Make sure that the cylinder head
positioning pins on the cylinder block do
not come in contact with the wood block.
(36) Removing the flywheel housing and oil
seal case
Remove the flywheel housing and oil seal
case from the cylinder black.
(37) Removing the main bearing.
1) Remove the main bearing bolts.
2) Remove the main bearing cap and lower main
bearing metal.
Note:
The thrust metal (lower) is mounted to the
base main bearing cap.
010428-00X
Main bearing cap
Main bearing cap
(Base)
Main bearing bolt
010433-00E
Groove
Groove
Thrust metal
Main bearing cap
(Base)
Lower main
bearing metal
Upper main
bearing metal
Oil hole
Groove
010533-00E

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