Karcher B 250 R I Bp - Manual (Page 25)

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1 Screw
2 Support
3 Wiping flap
 Unscrew the screws.
 Remove the holders.
 Replace scraper wipe.
 Attach and screw down holder.
ƽ DANGER
Risk of injury on account of belt drives. The
sweeper hood must compulsority be closed
and locked before recommissioning the
machine after maintenance tasks.
1 Belt suction turbine Sweeper
2 Belt of roller brush drive
 Check both the belts for wear and prop-
er fitting.
 Park the machine on an even surface.
 Set main switch to “0”.
 Secure the machine with wheel
chock(s) to prevent it from rolling away.
 Remove waste containers on both
sides.
 Front sealing strip
 Loosen fastening nuts.
 Align the sealing strip so that the bottom
edge trails behind at a distance of 35 to
40 mm.
 Tighten nuts.
 Rear sealing strip
The floor clearance of the rear sealing strip
is designed in such a way that the sealing
strip trails behind at a distance of 5 to 10
mm.

Replace sealing strip if worn out.
 Dismantling the roller brush (see "Re-
placing the roller brush").
 Loosen fastening nuts.
 Screw on the new sealing strip.
 Tighten nuts.
 Side sealing strips
 Loosen fastening nuts.
 Set floor clerance by pushing in a sheet
of 1-2 mm thickness.
 Adjust sealing strip.
 Tighten nuts.
 Install roller brush.
1 Lid of dust filter casing
2 Screws
3 Flange
4 Dust filter bearing
5 Dust filter
 Loosen the lock of the hood of the
sweeper by turning it in.
 Tilt up the sweeper hood.
 Remove the lid of the dust filter casing.
 Loosen both screws.
 Turn the flange in an anticlockwise direc-
tion and remove the dust filter bearing.
 Take out the dust filter.
 Insert the new dust filter in such a way
that the holes point to the front of the
carrier.
 Replace the dust filter bearing, turn in
clock-wise direction and fasten it with
screws.
 Replace the lid and press it.
 Close the sweeper hood.
 Ensure proper locking of the hood by
turning.
 Loosen 3 screws.
 Remove the wiper blade.
 Push in the new side brush.
 Tighten 3 screws.
1 Screw
2 Tin cover
 Pull out the waste container.
 Loosen screws.
 Tilt the tin cover upwards and remove it.
Replacing the wiper lips
Additional maintenance tasks for
the B 250 RI
Checking drive belt
Check sealing strips of sweeper
1
2
3
Replacing the dust filter
Replacing the side brushes
Replacing the roller brush
25 EN