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Chapter 6 INSPECTION AND REPAIR OF BASIC ENGINE
5.8 Crankshaft Gear - Inspect
If there is any defect on the crankshaft gear teeth, such as
flaking, wear, or local contact, replace the crankshaft gear
with a new one.
5.9 Crankshaft Gear - Replace
Use protective gloves when you touch hot parts.
Handling with bear hands could result in burns.
5.9.1 Crankshaft Gear - Remove
Using a gear puller, remove the gear from crankshaft.
Note: When removing the crankshaft gear by heating, the
heating temperature is 180°C [356 °F] or less.
5.9.2 Crankshaft Gear - Install
(a) Check the correct installing direction and position
of crankshaft gear.
(b) To shrinkage-fit the crankshaft gear to crankshaft,
heat the crankshaft gear evenly to the specified
temperature.
(1) Measure the outside diameter of crankshaft and inside
diameter of crankshaft gear, and check the interference.
(2) Heat the crankshaft gear evenly to the specified temper-
ature.After checking gear direction and position, install
the crankshaft gear.
6-28
Crankshaft gear
Crankshaft Gear - Remove
Gear engaged position
Crankshaft Gear - Install
Shrink fit temperature: 180
7 mm
[0.28 in.]
Crankshaft Gear Installation Direction
Match mark side
[356 ] or below
Crankshaft gear
Dowel pin
Interference standard:
0.106 to 0.171 mm
[0.0042 to 0.0067 in.]
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