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ENG
PRIMARY AND SECONDARY SHEAVES
CHECKING THE PRIMARY SHEAVE
1. Check:
• weight outside diameter
a
Out of specification
→
Replace the weight.
Weight outside diameter
30 mm (1.18 in)
<Limit>: 29.5 mm (1.16 in)
2. Check:
• primary pulley slider
• primary sliding sheave splines
Wear/cracks/damage
→
Replace.
• spacer
• primary pulley cam
Cracks/damage
→
Replace.
3. Check:
• primary sliding sheave
• primary fixed sheave
Cracks/damage
→
Replace.
CHECKING THE SECONDARY SHEAVE
1. Check:
• secondary fixed sheave smooth operation
• secondary sliding sheave smooth operation
Scratches/damage
→
Replace as a set.
2. Check:
• torque cam grooves
1
Wear/damage
→
Replace.
3. Check:
• guide pins
2
Wear/damage
→
Replace.
4. Check:
• secondary sheave spring
Damage
→
Replace.
5. Measure:
• secondary sheave spring free length
a
Out of specification
→
Replace the second-
ary sheave spring.
Free length
124.2 mm (4.89 in)
<Limit>: 112.0 mm (4.40 in)
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