15-16
140-3 SERIES
TESTING AND ADJUSTING CYLINDER BLOCK
REPLACING CAM GEAR
1. Removal of gear
Set the camshaft assembly on the press stand,
then push the camshaft to remove the gear.
k
When setting the camshaft assembly on the
press stand, be careful not to get caught your fin-
gers between the press stand and the gear.
2. Press fitting gear
1) Check the gear mounting surface, key
groove, and flange surface, and if there are
any scratches, correct them with an oil-
stone.
2) Knock a new key into the key groove of the
shaft.
3) Assemble the thrust plate.
4) Heat the gear for the specified time at the
specified shrink-fitting temperature.
Crankshaft gear shrink-fitting
temperature: 220 – 240°C
Heating time: Min. 30 minutes
5) Put the timing mark on the outside, then use
a hitting tool to press fit until the side face of
the gear is in close contact with the shaft
flange.
Knock in quickly before the gear be-
comes cool.
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