Karcher KM 90-60 R P - Manual (Page 26)

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 Hook the draw spring out.
A Fastening screw of the under-pressure
can
B Fastening nut of the bulk waste flap
C Screw of the roller brush crank

Unscrew the fastening screws of the
vacuum socket and release the lever.
 Turn the fastening nut of the bulk waste
flap and unhook the bulk waste flap.
 Unscrew and withdraw bolt on the roller
brush swinging arm.
 Push the roller brush cover backwards
and remove it.
 Pull out roller brush.
Installation position of roller brush in direc-
tion of travel
 Push new roller brush into the roller
brush housing and onto the drive pin.
Note: When installing the new roller brush,
ensure correct positioning of the bristle as-
sembly.

Position roller brush cover.
 Fit the fastening screws and nuts.
 Hook the draw spring in.
 Screw on side panel.
 Push in the waste containers on both
the sides and lock them.
 Set programme switch to step 1 (driv-
ing). The side brush and roller brush are
raised.
 Drive sweeper on to a smooth, even
surface covered with a visible layer of
dust or chalk.
 Lower roller brush and allow it to briefly
rotate.
 Raise roller brush.
 Press pedal which raises bulk waste
flap and keep pressed.
 Drive machine backwards.
The sweeping track should have an even
rectangular shape which is between 50 and
70 mm wide.
Note:The side brush floating mounting of
the roller brush adjusts the sweeping track
as the bristles wear down. The roller brush
must be replaced if it becomes too worn.
 Park the sweeper on an even surface.
 Set programme switch to step 1 (driv-
ing). Roller brush is raised.
 Turn ignition key to "0" and remove it.
 Secure the machine with wheel
chock(s) to prevent it from rolling away.
 Raise slightly the waste containers on
both sides and pull them out.
 Open the fastening screws of the side
panels 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.
 Adjust 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 10-15 mm.
 Tighten nuts.
 Rubber strip
 If worn, replace.
 Unscrew retaining nuts for the rubber
strip (2).
 Screw on new rubber strip.
 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.
 Unscrew retaining nuts for rear sealing
strip (3).
 Screw on new sealing strip.
 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
3 mm under the sealing strip.
 Adjust sealing strip.
 Tighten nuts.
 Screw on side panels.
 Push in the waste containers on both
the sides and lock them.
ṇ Warning
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.

Open the device hood.
 Loosen the fastening screws.
 Press the filter holder upwards and re-
move it.
 Remove the lamella filter.
 Insert new filter.
Check the sweeping mirror of the
sweeping roller
Adjusting and replacing sealing strips
Replacing dust filter
26 EN