Kärcher KM 120/250 R Bp Betriebsanleitung Seite 23

 Uncscrew the retaining screw of the
roller brush intake, and swing the intake
to the outside.
 Pull out roller brush.
Installation position of roller brush in direc-
tion of travel (top view)
Note: When installing the new roller brush,
ensure correct positioning of the bristle as-
sembly.
 Install new roller brush. The nuts of the
roller brush must be inserted on the
notches of the opposite crank.
Note: Once the new roller brush has been
installed, the sweeping track must readjust-
ed.
Check and adjust roller brush sweeping
track
Note: The sweeping track is factory-set to
80 mm; it is steplessly adjustable if the
brush roller wears down.
 Check tyre pressure.
 Switch off suction blower.
 Drive sweeper on to a smooth, even
surface covered with a visible layer of
dust or chalk.
 Roller brush and side brush control le-
ver (1) backwards: Switches the roller
brush on.
Roller brush control lever (3) back-
wards: Lowers the roller brush.
 Allow the roller brush to run for approx.
10 seconds.
 Roller brush and side brush control le-
ver (1) to middle position.
Roller brush control lever (3) forwards:
Raises the roller brush.
 Drive machine backwards.
 Check sweeping mirror.
The sweeping track should have an even
rectangular shape which is 80-85 mm wide.
 Undo and adjust the stop screw for
wear adjustment (12).
Stop screw at the top: narrow sweeping
area.
Stop screw at the bottom: broad sweep-
ing area.
 Tighten the stop screw again.
 Check the sweeping area of the roller
brush again as described.
Check and adjust sweeping track of the
side-brush
 The side-brushes lift up.
 Drive sweeper on to a smooth, even
surface covered with a visible layer of
dust or chalk.
 Lower the side brushes using the con-
trol lever and allow them to run for ap-
prox. 10 seconds.
 The side-brushes lift up.
 Drive machine backwards.
 Check sweeping mirror.
The width of the sweeping track should lie
between 40-50 mm.
 Set the sweeping track using the two
adjusting screws.
 Check sweeping mirror.
Adjust the side seals
DANGER
Risk of injury! Always apply the safety bar
when the waste container is raised.
 Drive the waste container up and se-
cure it with the safety rod.
EN 9
-
 Fold the safety rod for the high empty-
ing up and insert it into the holder (se-
cured).
1 Holder of safety rod
2 Safety rod
 Open the side cover as described in
Chapter "Replace brush roller".
 Release the 6 wing nuts on the side
holding plate.
 Loosen 3 nuts (SW 13) on the front
holding plate.
 Press the side seal down (elongated
hole) until it is about 1 to 3 mm to the
floor.
 Screw in the holding plates.
 Repeat the procedure on the other side
of the appliance.
Manually clean the dust filter
 Switch on manual filter shake off.
Check/replace dust filter
WARNING
Risk of injury!
 Wear a dust mask when working
around the dust filter. Observe safety
regulations on the handling of fine parti-
cles.
 Clean the dust filter with the filter clean-
ing button.
 Empty waste container.
1 Lock of appliance hood
2 Cover
3 Filter cover
 Open the lock, remove the star grip
screw to do this.
 Fold cover forwards.
23