Kärcher KM 120/150 R Bp Handbuch Seite 32

Figure 21
Enlarging sweeping track:
 Turn the adjustment screw in an anti-
clockwise direction (+).
Reducing sweeping track:
 Turn the adjustment screw in a clock-
wise direction (-).
Note
In power-operating mode, the sweeping
track is automatically adjusted due to the
floating mounting for the side brush as the
bristles wear down. The roller brush must
be replaced if it becomes too worn.
Adjusting and replacing sealing strips
 Park the sweeper on an even surface.
 Set programme switch to step 1 (driv-
ing). Roller brush is raised.
 Turn main key to "0" and remove it.
 Secure the machine with wheel
chock(s) to prevent it from rolling away.
 Open the side panel quick-release locks
on both sides.
 Remove side panels.
 Front sealing strip
 Loosen retaining nuts for the front seal-
ing strip (1) slightly (to replace, un-
screw).
 Screw on new sealing strip without fully
tightening the nuts.
Figure 22
 Adjust sealing strip.
 Set the distance of the sealing strip to
the floor so that the bottom edge trails
behind at a distance of between 35 and
40 mm.
 Tighten nuts.
 Rear sealing strip
 Set the distance between the sealing
strip and the floor so that the bottom
edge trails behind at a distance of be-
tween 5 and 10 mm.
 If worn, replace.
 Remove roller brush.
 Unscrew retaining nuts for rear sealing
strip (2).
 Screw on new sealing strip.
32
English
 Side sealing strips
 Slightly loosen retaining nuts for the
side sealing strip (to replace, unscrew).
 Screw on new sealing strip without fully
tightening the nuts.
 To set the floor clearance, insert a sheet
with a thickness of between 1 and 2 mm
under the sealing strip.
 Adjust sealing strip.
 Tighten nuts.
 Screw on side panels.
Replacing dust filter
Danger
Empty waste container before replacing
dust filter. Wear a dust mask when working
around the dust filter. Observe safety regu-
lations on the handling of fine particulate
material.
 Slightly raise the waste container and
tipp it a little.
Figure 23
 Disconnect filter motor from power sup-
ply (1).
 Disconnect the plug connection of the
limit switch.
 Loosen the screw joint of the filter agita-
tor motor.
 Open catches (2).
 Slightly tip the filter box backwards and
take it out (3).
Figure 24
 Loosen filter mount (1), turn (2) and pull
out.
 Remove louver filter (3).
 Insert new filter.
 Make sure driver engages with grooves
on drive side.
 Snap filter mount back on and tighten
screws.
Note
Make sure when installing the new filter that
the fins are not damaged and the filter case
seal does not get jammed.
Replacing filter case seal
 Lift filter case seal out of groove in the
cover.
 Insert new seal.
Checking drive belt
Danger
The engine requires approx. 3-4 seconds to
come to a standstill once it has been
switched off. During this time, stay well
clear of the working area.
 Turn main key to "0" and remove it.
 Open cover and secure it (Diag. 3).
Figure 25
 Check tension of drive belt and V-belt of
the suction blower, also check for wear
or damage.
Figure 26
 Check tension of drive belt and V-belt of
the roller brush also check for wear or
damage.
Check cup seal
Figure 27
 Chek the cup seal at the suction blower
regularly to see that it sits properly.
Replacing electric bulb
 Turn main key to "0" and remove it.
 Remove side brush.
Figure 28
 Remove splash guard (1).
 Disconnect plug (2).
 Twist contact plate to one side (3).