25
Remove the oil seal and ball bearing from the flywheel
end of the crankshaft.
Slide the piston and connecting rod off towards the
flywheel end of the crankshaft.
IMPORTANT:
The crankpin needles are loose, not
caged! Collect and count the needles. There should be
31.
NEVER REUSE OLD NEEDLES.
The proper positioning of the PTO side oil seal, retainer
washer and ball bearing are shown here. Along with
the governor slide ring which is a component of the
engines Mechanical Governor System. To remove all
of these components simply slide them off the PTO end
of the crankshaft.
To be sure you don't drop any of the needle bearing
needles, follow these steps. First rotate the piston
towards the spark plug. Next hold the rod against the
crankshaft counter weight and pull the assembly out.
GOVERNOR SLIDE RING
OIL SEAL
GOVERNOR FLYWEIGHT BALLS (3)
BALL BEARING
RETAINER WASHER
BALL BEARING
OIL SEAL
FLYWHEEL END
æ
NOTE: THIS EGR TUBE
NOT USED ON
HORIZONTAL
MODELS
After removing the governor slide ring the governor
flyweight balls can be removed and replaced if
necessary.
The connecting rod has a pressed in steel bearing liner.
Notice that the flange of the connecting rod liner faces
the flywheel end of the crankshaft.
FLANGE TOWARD
FLYWHEEL END
OF CRANKSHAFT
TOWARD PTO
END OF
CRANKSHAFT
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