Removing Oil Pan; Removing Oil Strainer; Removing Connecting Rod Cap; Pulling Out Piston - Mitsubishi Heavy Industries SL Series Service Manual

4.1 Removing oil pan

Do not insert a chisel or screwdriver between the oil
pan and crankcase to remove the oil pan, as it could
deform the oil pan flange.
(1) Turn the engine around.
(2) Remove bolts from the oil pan.
(3) To remove oil pan, tap bottom corners of the oil pan
with a plastic hammer.

4.2 Removing oil strainer

Loosen the nut, and remove the oil strainer.

4.3 Removing connecting rod cap

(1) Lay the engine by its side.
(2) Mark the cylinder number on the connecting rod and
connecting rod cap so that their combination is not
changed when reassembling.
(3) Remove the connecting rod caps.
Note: Mark the cylinder No. and upper/lower on connecting
rod bearings to ensure correct reassembling.

4.4 Pulling out piston

(1) Turn the crankshaft to bring the piston to the top dead
center.
(2) Using a piece of wood such a hammer handle, push the
mating surface of the connecting rod cap, and pull the
piston and connecting rod upward from the cylinder.
DISASSEMBLY OF BASIC ENGINE
Removing oil pan
Removing oil strainer
Removing connecting rod cap
Removing piston
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