CLUTCH
5-50
EAS25110
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.
EAS25140
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.
EAS25150
CHECKING THE CLUTCH HOUSING
1. Check:
• Clutch housing dogs “1”
Damage/pitting/wear → Deburr the clutch
housing dogs or replace the clutch hous-
ing.
NOTE:
Pitting on the clutch housing dogs will cause
erratic clutch operation.
2. Check:
• Bearing
Damage/wear → Replace the bearing and
clutch housing.
EAS25160
CHECKING THE CLUTCH BOSS
1. Check:
• Clutch boss splines
Damage/pitting/wear → Replace the clutch
boss.
Warpage limit
0.10 mm (0.0039 in)
Clutch spring free length
55.00 mm (2.17 in)
Minimum length
54.00 mm (2.13 in)
Limit
52.3 mm (2.06 in)
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