Kärcher B 250 R, Instructions Manual

Page: 25 / 384

-
9
Additionally for B 250 RI:
 Check for smooth running of the
Bowden cables and the moveable parts
 Check the sealing strips of the sweeper
for settings and wear.
For B 250 RI only:
 Check tension, wear and function of
drive belts of the sweeper (V-belt and
circular belt).
 Have the prescribed inspection carried
out by the customer service.
When a maintenance task indicated in the
display has been performed, the relevant
maintenance counter must be reset after-
wards.
 Plug in the Intelligent Key.
 Bring the safety switch into the "1" posi-
tion.
 Set programme selector switch to trans-
port run.
 Press Info button.
 Turn the info button until "Maintenance
counter" is displayed.
 Press Info button.
The counter readings are displayed.
 Press Info button.
"Delete counter" is indicated.
 Turn the info button until the counter to
be deleted is highlighted.
 Press Info button.
 Select "YES" by turning the info button.
 Press Info button.
The counter is deleted.
Note:
The service counter can only be reset by
the customer service.
The service counter indicates the time until the
next service by the customer service is due.
To ensure a reliable operation of the appli-
ance maintenance contracts can be con-
cluded with the competent Kärcher sales
office.
 Remove the vacuum bar.
 Loosen cross-handles.
 Remove the plastic parts.
 Remove the vacuum lips.
 Insert new vacuum lips.
 Insert the plastic parts.
 Tighten the cross-handles.

Swivel up the wiper lip.

Press button.
 Counter holder for brush roller is re-
leased and can be removed.
 Remove brush roller, install new one.
1 Rotary knob
2 Wiping flap
Repeat the procedure in reverse order.
 Install the counter holder for the brush
roller.
 Swivel the scraper flap downward.
 The height of the scraper flap is adjust-
ed via a rotary knob.
 Repeat process on the opposite side.
 Press the pedal for changing the brush-
es downward beyond its resistance.
 Pull the disc brush out of the side below
the cleaning head.
 Hold the new disc brush under the
cleaning head, push upward and lock.
 The height of the scraper flap is adjust-
ed via a rotary knob.
1 Screw
2 Support
3 Wiping flap

Unscrew the screws.
 Remove the holders.

Replace scraper wipe.
 Attach and screw down holder.

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.
Quarterly
Yearly
Reset the counter
Maintenance Works
Maintenance contract
Replacing the vacuum lips
Replacing the brush rollers
Replacing the disk brushes
1.
2.
1
2
Replacing the wiper lips
Additional maintenance tasks for
the B 250 RI
Checking drive belt
Check sealing strips of sweeper
1
2
3
25 EN