Karcher KM 85-50 W Bp Adv - Manual (Page 22)

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 Lock parking brake.
 Remove the waste container.
 Remove belts or cords from roller
brush.
Replacement is due if a visible deteriora-
tion in sweeping performance caused by
bristle wear is evident.

KM 85/50 W Bp Adv
KM 85/50 W Bp Pack Adv
Turn the push handle lock counter-
clockwise; lock is unlocked.
 Remove the waste container.
 Push appliance to the back onto the
push handle.
 Unscrew left and right locking screws.
 Remove the sweeping roll downwards.
Installation position of roller brush in direc-
tion of travel

Insert new sweep roller and fasten it.
Note: When installing the new roller brush,
ensure correct positioning of the bristle as-
sembly.
Make sure that the right angled clamping
plates are in proper position. They should
overlap the sweeping cylinder from above
and below.
Note: Once the new roller brush has been
installed, the sweeping track must readjust-
ed.
 Raise the sweeper from the front and
drive it on to a smooth, even surface
covered with a visible layer of dust or
chalk.
 Lock parking brake.
 Let the sweeping roller rotate for ap-
prox. 15-30 seconds.
 Raise the sweeper at the front and drive
it towards the side.
The sweeping track should have an even
rectangular shape which is between 30 and
40 mm wide.

Adjusting the sweeping track:
KM 85/50 W Bp Adv
KM 85/50 W Bp Pack Adv
Note: If the sweeping track is too small and
the Bowden cable is tensioned when the
roller brush is lowered, the Bowden cable
must be adjusted.
 Adjust sweeping track on Bowden cable.
 Check sweeping mirror.
 Adjusting the sweeping track:
KM 85/50 W Bp
KM 85/50 W Bp Pack
1 Rotary knob
 Turn the rotary knob:
– In clock-wise direction: Sweeping track
becomes smaller
– Anti-clockwise direction: Sweeping
track becomes bigger
 Check sweeping mirror.
Replacement is due if a visible deteriora-
tion in sweeping performance caused by
bristle wear is evident.

KM 85/50 W Bp Adv
KM 85/50 W Bp Pack Adv
Turn the push handle lock counter-
clockwise; lock is unlocked.
 Remove the waste container.
 Push appliance to the back onto the
push handle.
 Unscrew 3 screws from the underside
of the side brush.
 Remove the wiper blade.
 Clip new side brushes on to driver and
screw on.
 Tilt the appliance forward.
Adjustment is necessary if a visible deterio-
ration in sweeping performance caused by
side-brush is evident.
Checking roller brush
Replacing roller brush
Check and adjust roller brush sweeping
track
Replacing side brush
Adjust side-brush lowering
22 EN