Maintenance
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When the bolts are tightened, remove the guide bar.
The flywheel housing is assembled after the new oil seal was pressed (Coat engine oil over the
outside of oil seal) before in the housing by a press.
If any peripheral scar was generated due to oil seal at the oil seal contact surface of crankshaft, after
inserting about 1mm shim or thereabout in front of oil seal (Direction toward crankshaft.), measure
and adjust.
3.3.8. Timing gear case
Apply lubricating oil to the outside of the
oil seal and flywheel housing inside
diameter and fit them over the crank
shaft, then assemble the oil seal using
an oil seal fitting jig.
3.3.9. Flywheel and ring gear
Installation of flywheel ring gear With a
gas burner, heat the ring gear evenly
until heat expansion takes place, then
install it using a hammer.
Do not allow the temperature of the ring
gear to exceed 200 °C (390 °F).
By means of mandrel, assemble pilot
bearing to the flywheel.
Ring gear
ED4OM020