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24
English 5.906-468.0 Rev. 00 (02/09)
Î
Raise the brush head.
Î
Turn the lock of the bearing cover counter-clockwise.
Î
Push the bearing lid down and remove.
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Pull out the brush roller.
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Insert the new brush roller and slide it onto the pickup mandrel.
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Reassemble the bearing lid in the reverse sequence.
1
Lock, bearing lid
2
Bearing lid
3
Pickup mandrel
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Remove the bearing lid from the brush roller mount (see Chap-
ter 5.10).
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Unscrew the fastening screws of the drive belt cover and re-
move the drive belt cover.
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Loosen the fastening screws of the brush motor.
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Remove the drive belt.
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Install the new drive belt, tension it and tighten the fastening
screws on the motor. The V belt tension is determined via the
position of the motor shaft (tensioning by raising the motor, e.g.
with a screwdriver, through the elongated hole beneath the mo-
tor shaft).
Note
The drive belt must be tensioned so that it can be deflected by a
strong thumb press to a max. of 5 mm (arrow) between the motor
shaft and the driven pulley.
1
Fastening screws (9x), drive belt cover
2
Drive belt cover
3
Fastening screws (4x), brush motor
4
Drive belt
5.10 Replace the brush rollers on the BR brush head
5.11 Replace the drive belt