Main Bearing Installation; Crankshaft Installation; Main Bearing Cap Installation - Mitsubishi S3L Service Manual

ASSEMBLY
Figure 113 Installing main bearings
Figure 114 Installing crankshaft
Figure 115 Main bearing caps installed
Service Manual Mitsubishi SL-Series diesel engines
Version 08/2004
Cylinder Block, Crankshaft, Pistons and

20.1 Main bearing installation

1. Install the upper halves of the main bearings in the
cylinder block and the lower halves in the main
bearing caps so their tabs fit into the notches in the
cylinder block and the main bearing caps.
2. Install the flanged bearing in the No. 3 journal.
3. Lightly lubricate the inside surfaces of the bearings
with engine oil.

20.2 Crankshaft installation

1. Clean the crankshaft with cleaning solvent and
blow dry with compressed air.
2. Fasten a hoist to the crankshaft and hold it in
horizontal position. Carefully put the crankshaft in
position in the cylinder block.
3. Lightly lubricate the crankshaft journals with
engine oil.

20.3 Main bearing cap installation

1. Coat the mating surfaces of the rear bearing cap
and cylinder block with Three Bond 1212.
2. Install the main bearing caps in position. Make
sure the number (arrow head) on the main bearing
cap is toward the front of the engine.
3. Tighten the main bearing cap bolts finger tight only.
ENGLISH
Oil pan
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