Yanmar YM155d Service Manual page 37

2 1 Remove under cover of cylinder block.
3 1 Derach lube ail inlet tube.
41
Remove
rad bolts.
Caution: Cleorly
mark
fo? later reference
which is No.
1
pisron and which
ir No. 2 pisfon
1) Remove the bolrr
(5pcrI.
2)
Remove hydraulic pump driven gear.
using a gear puller.
3 1 Remove lube oil pump.