Crankshaft And Main Bearing - Install; Piston Cooling Nozzle - Install; Crankcase - Turn Over (Upend) - Mitsubishi S12A2 Service Manual

1. Crankshaft and Main Bearing - Install

1.1 Crankcase - Turn Over (Upend)

Using a turnover machine, turn over the crankcase.When
the turnover machine is not available, hitch slings to the
crankcase using wood pieces and cloth pads, and raise the
crankcase with a hoist or crane. Then lay it on the wooden
block with its side facing downward.Then, change the posi-
tions of the slings, and turn over to upend the crankcase.

1.2 Piston Cooling Nozzle - Install

Be sure to tighten the piston cooling nozzle to the
specified torque using a torque wrench.If it is exces-
sively tightened, it can lead to check valve operation
malfunction, resulting in piston seizure.
Install the piston cooling nozzle onto the crankcase and
tighten the check valve to the specified torque.
Chapter 7 ASSEMBLY OF BASIC ENGINE
Crankcase
weight:1010 kg [2227 lb]
Crankcase
Crankcase - Turn Over (Upend)
Piston Cooling Nozzle - Install
Chapter 7 ASSEMBLY OF BASIC ENGINE
Wood block
34 ± 1.7 N·m
{3.5 ± 0.17 kgf·m}
[25 ± 0.13 lbf·ft]
Piston cooling nozzle
7-3