140-3 SERIES
15-17
TESTING AND ADJUSTING CYLINDER BLOCK
REPLACING FLYWHEEL RING GEAR
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Be careful not to let the flywheel fall and injure
you.
1. Removal of ring gear
Make a scratch in the surface at the root of the
teeth with a grinder, then split with a chisel to
remove.
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Be careful when handling the grinder and chisel.
2. Press fitting ring gear
1) Check the ring gear mounting surface, and if
there are any scratches, correct them with
an oilstone.
2) Heat the ring gear for the specified time at
the specified shrink-fitting temperature.
Ring gear shrink-fitting temperature:
Max. 200°C
Heating time: Min. 50 minutes
3) Set the chamfered face of the ring gear fac-
ing the flywheel, and press fit until the side
face of the gear is in close contact with the
flywheel.
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