ENGINE ASSEMBLY ( 2 )
FLYWHEEL AND RING GEAR
Flywheel
1. Inspect the flywheel friction surface for excessive
wear and heat cracks.
2. Measure the flywheel friction surface wear amount
(depth)
The flywheel friction surface area actually making
contact with the clutch driven plate (the shaded area
in the illustration) will be smaller than the original
machined surface area.
There will be a ridge on the flywheel surface area.
Be sure to measure the surface wear in the area
inside the ridge.
If the measured value is between the standard and
the specified limit, the flywheel may be reground.
If the measured value exceeds the specified limit,
the flywheel must be replaced.
Flywheel Friction Surface Depth 1 mm(in)
Limit
1.0 (0.04) or more
Note:
Because a ridge is produced at the flywheel friction sur-
face as illustrated, do not measure the friction surface
wear amount at the non-ridge area but be sure to
measure it at the rear-friction surface which is shown in
the illustration by shaded area.
72
Ring Gear Replacement
Ring Gear Removal
Strike around the edges of the ring gear with a hammer
and diesel to remove it.
Ring Gear
Inspect the ring gear.
If the ring gear teeth are broken or excessively worn, the
ring gear must be replaced.
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