The drive belt on my Chef 901< (from the motor to the drive head), rises slightly when the motor is switched on. THis causes it to rub against the plastic cover and consequently is rubbing through it. How can I avoid/adjust the belt so that it does not ride up? Is there a tensioner?

Richard Thurlow, August 2011

There are three adjustment screws on the motor.
These will adjust the angle of the gear.

Mark Wooldridge, April 2014

Is it riding high on the motor or the gearbox? Is it slack and worn?

Norbert, October 2012