Yanmar 2YM15 Service Manual download pdf (Page 108)

4. Disassembly and reassembly

(34)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.

(35)Removing the crankshaft

1) Remove the crankshaft

NOTE:

1) The thrust metal (upper) is mounted to the

standard main bearing of the cylinder block.

2) Remove the main bearing metal (upper) from the

cylinder block.

(36)Removing the tappets

Remove the tappets from the tappet holes in the

cylinder black.

NOTE:

1) Be careful to keep all disassembled parts in order.

2) Prepare clear and adequate area for parts and a

container(s).

3) Prepare a cleaner before disassembling.

(Removing main bearing and crankshaft)

Crankshaft

Thrust metal

Main bearing

(Base)

Cylinder block

Main bearing

Main bearing bolt

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Yanmar 2YM15 Service Manual Page 108