Check hydraulic unit
NOTICE
Only Kärcher Customer Service is author-
ised to carry out maintenance tasks on the
hydraulic unit.
Lock parking brake.
Start the motor.
Check all hydraulic hoses and connec-
tions and ensure that they are leak-
proof.
Check water cooler and maintain it
DANGER
Risk of burning and scalding!
Allow the water cooler to cool down for
at least 20 minutes.
Check the cooling water level on the
balance reservoir (water level between
MIN and MAX).
Clean cooler lamella.
Check cooler hoses and connections
and ensure that they are leak-proof.
Clean the fan.
Checking roller brush
Start the motor.
Raise the waste container up to the
end-position.
Switch off engine.
Lock parking brake.
Use the safety bar for emptying from a
height.
Remove belts or cords from roller
brush.
Remove the safety bar.
Start the motor.
Lower the waste container up to the
end-position.
Switch off engine.
Replacing roller brush
1 Key
2 Side panels
Drive the waste container up and sup-
port it with the safety rod.
Open the side covers using a key.
26
1 Holding bow
2 Wing nut
3 Side seal
Unscrew the wing nuts.
Remove the retaining clamp.
Unscrew the wingnuts from the holding
plate side seals and remove the holding
plate.
Flip the side seal out.
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
Check tyre pressure.
Switch off suction blower.
Drive sweeper on to a smooth, even
surface covered with a visible layer of
dust or chalk.
Lower the roller brush by means of the
control lever and let it run (approx.
10 s).
Raise roller brush.
Drive machine backwards.
Check sweeping mirror.
10
-
EN
The sweeping track should have an even
rectangular shape which is 80-85 mm wide.
Adjusting the sweeping level
1 Spring
2 Rating nut
3 Locknut
4 Threaded rod
Adjust the sweeping track position by
adjusting the adjustment screw.
Check sweeping mirror.
Check and adjust sweeping track of the
side-brush
Check tyre pressure.
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.