Advertisement
Remove the oil pump.
Loosen the front crankshaft pulley nut, and remove the front pulley.
Remove the front gear case cover and gasket.
After removing the governor weight assembly, remove the snap ring, and
then the governor gear.
Draw the camshaft and gear from the crankcase.
Remove the sleeve, crankshaft gear and plate.
Remove the connecting rod caps, and draw the pistons and connecting
rod assembly through the top of the block.
Keep the rod caps and
bearings in order by cylinder so that there will be no mixing.
(Mark
the rod and cap on one side).
Remove the front bearing housing from the crankcase.
Draw out
the crankshaft
from
the
crankcase hole.
damage the main bearing.
Disassembly of Piston and Connecting Rod
Be careful not
Set the piston and connecting rod assembly on the body of a special
tool as illustrated, insert the push rod of the tool into the piston
pin hole, and remove the piston pin by pressing it out with the aid of
a hydraulic press.
Do not use the guide of the tool when removing the
piston pin.
CAUTION
1.
Be sure to use hydraulic press when removing the piston pin.
Do
not attempt to hammer it out.
If an excessive pulling force is
required to remove the piston pin due to adhesion, replace it
wi th a new one.
Do not apply the load of more than 3,000 kg
(6,600 lbs.) to the pin setting tool.
48
Advertisement
