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A. Friction plate 1
B. Friction plate 2
EAS30349
CHECKING THE CLUTCH PLATES
The following procedure applies to all of the
clutch plates.
1. Check:
• Clutch plate
Damage → Replace the clutch plates as a
set.
2. Measure:
• Clutch plate warpage
(with a surface plate and thickness gauge "1")
Out of specification → Replace the clutch
plates as a set.
Thickness gauge
90890-03180
Feeler gauge set
YU-26900-9
Warpage limit
0.10 mm (0.004 in)
EAS30351
CHECKING THE CLUTCH SPRINGS
The following procedure applies to all of the
clutch springs.
1. Check:
• Clutch spring
Damage → Replace the clutch springs as a
set.
2. Measure:
• Clutch spring free length "a"
Out of specification → Replace the clutch
springs as a set.
Clutch spring free length
49.80 mm (1.96 in)
Limit
47.30 mm (1.86 in)
EAS30352
CHECKING THE CLUTCH HOUSING
1. Check:
• Clutch housing dogs
Damage/pitting/wear → Deburr the clutch
housing dogs or replace the clutch housing.
TIP
Pitting on the clutch housing dogs will cause er-
ratic clutch operation.
2. Check:
• Oil pump drive gear "1"
Cracks/damage/wear → Replace the clutch
housing, oil pump idle gear and oil pump driv-
en gear as a set.
5-53
CLUTCH
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Troubleshooting
