7-3
Chapter 7 ASSEMBLY OF BASIC ENGINE
Chapter 7 ASSEMBLY OF BASIC ENGINE
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.
Crankcase - Turn Over (Upend)
1.2 Piston Cooling Nozzle - Install
Install the piston cooling nozzle onto the crankcase and
tighten the check valve to the specified torque.
Piston Cooling Nozzle - Install
Crankcase
Crankcase
weight:1010 kg [2227 lb]
Wood block
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.
34 ± 1.7 N·m
{3.5 ± 0.17 kgf·m}
[25 ± 0.13 lbf·ft]
Piston cooling nozzle
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