Changing the brush roller:
Push the belt (29) off the motor pulley (30)
and remove the four screws which hold in
the brush bearing blocks. Lift out the bearing
blocks evenly. When replacing the roller with
the bearing blocks, push downwards keeping
the roller parallel with the chassis.
To remove the brush roller pulley (31) hold
the roller in one hand and turn the pulley in a
clockwise direction.
To remove the motor pulley (30) insert a
screwdriver into a groove and give a light tap
in an anticlockwise direction. The loosened
pulley can then be removed.
Changing the Electronic Controller (34):
Disconnect the lead from the motor. Lift the
controller upwards from the motor. Lift the
controller upwards from its location and then
disconnect the lead from the swivel neck.
To remove the swivel neck
take out the
two small screws (36) from the swivel neck
supports (37) then lift the swivel neck
assembly from the chassis. On re-assembly
check that the leads from the swivel neck do
not become trapped when the power head
cover is replaced.
To remove the swivel neck cover, take out
the retaining screw (38) and slide the cover
(39) downwards then lift out. On re-assembly
check that the leads do not become trapped.
To remove the axle assembly unscrew the
three screws and take off the axle clamps.
Before replacing, lightly grease the axle.
To replace, hook one end of the spring on
the axle then grip the other end with a pair of
pliers and turn about a quarter of a turn.
Keeping the wheels at the ends of the axle
press the axle assembly black into place.
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