Service manual

CHAPTER 2 8354/8404
2-46
D615-W02 May-2003
615W290A
615W289A
3) Crankshaft
(A) Flywheel
1. Install the stopper to the flywheel and loosen the
screw.
2. Remove the flywheel stopper and the flywheel.
(When reassembling)
• Clean the end of crankshaft and the mating surface
of the flywheel.
• Apply oil to flywheel screws.
• Fit the flywheel hole to crankshaft hole and tighten
the flywheel bolts to specified torque.
NOTE:
• Screw longer screws to the flywheel to carry It if
needed.
Tightening
torque
Flywheel
screw
98.1 ~ 107.9 N·m
10.0 ~ 11.0 kgf·m
72.3 ~ 79.6 lbf·ft
615W288A
(C)Piston ring and piston pin
1. Remove the piston rings with a piston ring replac-
ing tool.
2. Remove the piston pin.
(When reassembling)
• Clean all the parts before assembling.
• Heat the piston in approx. 80 °C (176 °F) of oil for 10
~ 15 minutes, when inserting the piston pin into the
piston.
• Install the piston and connecting rod with the mark
FW on the piston to the flywheel and the mark on
connecting rod to the injection pump.
• Install the piston rings with their manufacture’s
mark to the top of piston.
• Install the expander in the oil ring with its gap oppo-
site to the gap of oil ring.
• Install the top ring with its gap at 1.57 rad (90 °)
from the piston pin to the exhaust port.
• Install the second ring and oil ring with their gap at
every 2.09 rad (120 °).
(7) Connecting Rod (11) Expander Joint
(8) Connecting Rod Cap (12) Oil Ring Gap
(9) Casting Mark (13) Manufacturer’s Mark
(10) Marks
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