Kärcher KM 120/250 R Bp Betriebsanleitung Seite 22

Note: For description, see section on Main-
tenance work.
Maintenance by Customer Service
Maintenance to be carried out after 50
operating hours:
 Have the first inspection done accord-
ing to the service manual.
Maintenance to be carried out after 250
operating hours:
 Have the inspection done according to
the service manual.
Note: In order to safeguard warranty
claims, all service and maintenance work
during the warranty period must be carried
out by the authorised Kärcher Customer
Service in accordance with the mainte-
nance booklet.
Maintenance Works
Preparation:
 Park the sweeper on an even surface.
 Turn ignition key to "0" and remove it.
 Lock parking brake.
General notes on safety
DANGER
Risk of injury! Always apply the safety bar
when the waste container is raised.
1 Holder of safety rod
2 Safety rod
 Fold the safety rod for the high empty-
ing up and insert it into the holder (se-
cured).
Replace batteries
The batteries can only be exchanged as a
set. The exchange has to be performed by
trained personnel.
 Due to the heavy weight (450 kg), the
batteries must be exchanged using a
crane.
Note: The cross strut must be un-
screwed prior to replacing the battery.
 When removing the battery, disconnect
the negative terminal wire first.
 Fasten the crane chains in the four eye-
lets of the battery set and carefully lift
out the batteries.
22
Checking the brake fluid level and
topping up brake fluid
DANGER
Risk of injury!
 Always apply the safety rod when the
waste container is raised.
 Perform the safeguarding only from
outside the hazard zone.
1 Holder of safety rod
2 Brake fluid container
3 Closing head
 Move up the waste container and se-
cure it by means of the safety rod, see
Chapter "Emptying the waste contain-
er"
 Check if the there is enough brake fluid
in the brake fluid reservoir.
Note
The filling level has to be between Min.
and Max.
 If necessary, refill DOT brake fluid cur-
rently commercially available.
Check hydraulic oil level and refill
hydraulic oil
NOTICE
The waste container must not be raised.
 Open engine cover.
1 Hydraulic oil tank
2 Looking glass
3 Screw cap, oil fill opening
4 Hydraulic oil cooler
5 Manometer
 Check hydraulic oil level in the looking
glass.
The oil level must lie between "MIN"
–
and "MAX" marking.
Add hydraulic oil if the oil level is below
–
the "MIN" marking.
 Loosen the closing cap of the oil filling
opening.
 Clean the filling area.
 Refill hydraulic oil.
Oil grade: see Technical Data
 Replace and tighten the closing cap of
the oil filling opening.
NOTICE
If the pressure gauge shows an increased
hydraulic oil pressure, the hydraulic oil filter
EN 8
-
must be replaced by Kärcher customer ser-
vice.
Check hydraulic unit
 Lock parking brake.
 Start the motor.
Only Kärcher Customer Service is author-
ised to carry out maintenance tasks on the
hydraulic unit.
 Check all hydraulic hoses and connec-
tions and ensure that they are leak-
proof.
Checking roller brush
 Sit on the driver's seat.
 Bring the direction selector switch into
the middle position.
 Turn the ignition key to position "I".
 Raise the waste container up to the
end-position.
 Turn ignition key to "0" and remove it.
 Lock parking brake.
 Use the safety bar for emptying from a
height.
 Remove belts or cords from roller
brush.
 Remove the safety bar.
 Insert the ignition key into the ignition
switch.
 Turn the ignition key to position "I".
 Lower the waste container up to the
end-position.
 Turn ignition key to "0" and remove it.
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.
1 Holding bow
2 Wing nut
3 Side seal
 Unscrew the wing nuts.
 Remove the retaining clamp.
 Flip the side seal out.