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English 5.906-434.0 Rev. 00 (12/10)
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Remove the cleaning head casing (see chapter
"Removing the cleaning head casing").
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Remove the cover, as described in the chapter
"Replacing the toothed belt".
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Unscrew the fastening screws of the bearing
halves, as described in the chapter "Replacing the
toothed belt".
1 coupling
2 Cap
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Remove the coupling toward the top.
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Remove both toothed belts.
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Remove the cap.
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Install the new coupling in reverse order.
The cap has the function to prevent the toothed belt
of the suction turbine from slipping into the coupling.
Note
The coupling is triggered in case of an overload and
emits very loud noises. If the appliance is switched off
briefly, the coupling will lock in automatically and the
appliance can be used once again.
Turn the appliance off before you activate the suction
bar lift. Otherwise, the brush drive can be triggered.
1 Suction turbine housing
2 Axle
3 Suction tube connection
4 Bearing for axle
5 Cleaning head - bottom part
6 Water pump (M2)
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Remove the cleaning head casing (see chapter
"Removing the cleaning head casing").
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Disconnect the connection of the suction pipe from
the suction pipe and remove them from the hous-
ing.
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Removing the suction turbine housing from the
bottom part of the cleaning head.
1 Fastening screws (6x), half bearings, suction tur-
bine housing
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Unscrew locking screws.
5.1.11Replace the coupling
5.1.12Replacing the suction turbine