Removing The Primary And Secondary Sheaves; Disassembling The Secondary Sheave - Yamaha YFM660FP Service Manual

PRIMARY AND SECONDARY SHEAVES
REMOVING THE PRIMARY AND
SECONDARY SHEAVES
1.Loosen:
Nut (secondary sheave) 1
●
Nut (primary sheave) 2
●
NOTE:
Use the sheave holder 3 to hold the primary
●
sheave.
First, loosen the nut (secondary sheave) 2,
●
then loosen the nut (primary sheave) 1.
Sheave holder:
P/N. YU-01880, 90890-01701
DISASSEMBLING THE SECONDARY
SHEAVE
1.Remove:
Nut 1
●
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Removing steps:
● Attach the sheave fixed block 2, locknut
wrench 3 and sheave spring compressor 4
to the secondary sheave assembly.
Sheave fixed block:
P/N. YM-04135, 90890-04135
Locknut wrench:
P/N. 90890-01348
Sheave spring compressor:
P/N. YM-04134, 90890-04134
●
Place the sheave fixed block in a vise and
secure it.
● Tighten the sheave spring compressor nut 5
and compress the spring.
● Loosen the nut 1 with the locknut wrench
3.
● Remove the nut 1.
●
Remove the sheave spring compressor and
locknut wrench.
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ENG