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10. Drive belt pulley
b) To exchange the belt pulley, take off the drive belt and then the screw (3) to enable the pulley
to be taken off the main shaft.
When removing the pulley be careful not to lose the small groove spacer. On fitting a pulley this
small groove spacer has to fit into the groove in the centre of the pulley.
The bolt (3) should then be tightened to exactly 9Nm using a torque wrench. Loctite (medium
type) should also be used to secure the bolt by applying it to the complete length of the threads.
Finally check that the Calibration point (indicator) on the main shaft is in line with the index.
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