Mitsubishi S4Q, User Manual

Page: 63 / 174

63 / 174 Service Manual Mitsubishi SQ-Series diesel engines
Version 08/2004
PISTONS, CONNECTING RODS,
CRANKSHAFT AND CRANKCASE
ENGLISH
ENGINE MAIN PARTS
11. Removing main bearing caps
Remove the main bearing caps with lower halves
of the main bearings.
12. Removing crankshaft
Carefully remove the crankshaft.
13. Orderly arrangement of bearings
If bearings scatter during disassembly, they cannot
be reinstalled in their original positions. Be sure to
arrange the removed bearings in a proper order so
that they can be reinstalled in their original
positions.
Figure 105 Removing main bearing caps
NOTE
Be careful not to cause damage to the main bearings.
Put a mark on each bearing cap so it can be installed
in the same position from which it was removed.
Figure 106 Removing crankshaft
NOTE
Be careful not to cause damage to the main journals
and crankpins. Put a mark on each bearing.