3. ENGINE
3-
Block drive pulley with the pulley holding tool.
1. Pulley holding tool
2. Torque wrench
When the drive pulley is blocked, mark sliding
sheave and governor cup to ensure correct
reinstallation.
Unscrew the drive pulley screw (right hand
thread), then remove it as well as the conical
spring washer and thrust washer.
1. Drive pulley
2. Thrust washer
3. Drive pulley screw
Inspection
Drive pulley should be inspected annually for
wear or damages.
Check drive pulley for cracks and sliding
contact surface for excessive wear. Replace it if
necessary.
Check one-way clutch bearing for excessive
play and smooth operation. Replace one-way
clutch if necessary.
Installation
For installation, reverse the removal procedure. Pay attention to the following details.
Do not apply any lubricant on crankshaft and drive pulley tapers.
Clean pulley faces and shaft with dry cloth.
Install drive pulley on crankshaft extension.
Do not forget to place thrust washer
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