Note:
Be sure to replace any clutch disc which has
0.2mm (0.008in) or less in rivet suppression.Use of
a insufficient rivet depression disc will result in
serious damage to the flywheel and the pressure
plate.
2) Any oil stained clutch disc must be replace.
However,a very small oil stain may simply be
removed by use of a volatile solvent.
Note:
The causes of oil stains must be located and
necessary corrective measures must be taken.
3) Hardened lining surfaces must be repaired by
use of a sandpaper,or be replaced with a new
ones.
4) When loose rivets are found,replace the clutch
disc assembly because those of rivets will loosen
again even if they are retightened.
5) Install the disc on the input gear and inspect the
rotational play.If the measurement deviates from
the specified value,replace the disc.
0.3mm(0.012in)
Usable limitRotational play of
the hub spline
6) Measure the deviations of the clutch disc.If the
measurements are beyond the usable
limits,replace the clutch disc assembly.(Fig4-9)
0.7mm(0.028in) or lessLateral deviation
1.0mm(0.039in) or lessVertical deviation
Surface deviation 0.4mm(0.016in) or less
Usable limit
Fig.4-9
(2) Inspection of pressure plate
Inspect the pressure plate friction surface for up-
and down,scratches,stepped wear,or oil stains.
1) Shallow scratches may be repaired with a sand
paper,but excessive wear or damage must be
repaired by machining the friction surface.
Fig.4-10
2) Repair of friction surface.
The friction surface should be ground down or
machined to finish it to 12 ㎛(4.7X10¯4) to 25 ㎛
(9.8X10 ¯4) in surface smoothness.
The machining limit of the pressure plate surface
in thickness is 1.0mm(0.039in)
Fig.4-11
4-5
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