Kärcher KM 120/250 R LPG Mode D'emploi page 25

Inspection and maintenance work
Daily before starting operations
 Check engine oil level.
 Check the filling level in the coolant ex-
pansion tank.
 Check the sweeping roller and the side
brush for wear and wrapped belts.
 Check the wheels for tied up belts.
 Check the centrifugal separator and the
air filter, clean if required.
 Check function of all operator control el-
ements.
 Check appliance for damages.
 Clean the dust filter with the filter clean-
ing button.
Note: For description, see section on Care
and maintenance.
Operation
Adjusting driver's seat
1 Lever for seat adjustment
2 Driver seat
 Pull seat adjustment lever outwards.
 Slide seat, release lever and lock in
place.
 Check that the seat is properly locked in
position by attempting to move it back-
wards and forwards.
Open the gas supply
 Open the gas drawing valve by turning
it in anti-clockwise direction.
Starting the machine
Note: The machine is equipped with a seat
contact switch If the driver's seat is vacat-
ed, the machine is switched off.
 Sit on the driver's seat.
 Lock parking brake (11).
 Push motor speed adjustment (10) 1/3
to the front.
Start the engine
 Press the brake pedal in order to start
the engine.
 During cold exterior temperatures: Pull
the choke (13).
 Turn the ignition switch to the right and
start the device.
 If the machine starts, release the igni-
tion key.
 If the motor runs smoothly, push in the
choke.
Note: Never operate the starter motor for
longer than 10 seconds. Wait at least 10
seconds before operating the starter motor
again.
Drive the machine
1 Brake pedal
2 Accelerator pedal, "forwards"
3 Accelerator pedal, "reverse"
 Push the motor speed adjustment all
the way to the front (operating speed).
 Press brake pedal and keep it de-
pressed.
 Release parking brake.
Drive forward
 Press slowly the accelerator pedal "for-
ward".
Reverse drive
DANGER
Risk of injury!
 When reversing, there must not be any
risk for third parties, have somebody
marshal the driver if necessary.
 Press slowly the accelerator pedal "re-
verse".
Driving method
 The accelerator pedal can be used to
vary the driving speed infinitely.
 Avoid sudden operation of the pedal as
this may damage the hydraulic system.
 In the event of power loss on inclined
surfaces, slightly reduce the pressure
on the accelerator pedal.
Brakes
 Release the accelerator pedal, the ma-
chine brakes automatically and stops.
Note: The braking effect can be supported
by pressing the brake pedal.
7
-
EN
Driving over obstacles
Driving over fixed obstacles which are 70
mm high or less:
 Drive forwards slowly and carefully.
Driving over fixed obstacles which are
more than 70 mm high:
 Only drive over these obstacles using a
suitable ramp.
Sweeping mode
ATTENTION
Do not sweep up packing strips, wire or
similar objects as this may damage the
sweeping mechanism.
Note: To achieve an optimum cleaning re-
sult, the driving speed should be adjusted
to take specific situations into account.
Note: During operation, the dust filter
should be shaken off and cleaned at regu-
lar intervals.
Note: When frequently working in areas
with fine dust, the filter must be cleaned
more often.
Control lever
1 Roller brush and side brush control le-
ver
2 Control lever waste container
3 Roller brush control lever
4 Control lever container flap
Roller brush and side brush control le-
ver
 Control lever (1) forwards: Switches the
roller brush on and lowers and switches
the side brushes on.
 Control lever (1) backwards: Switches
the roller brush on.
Control lever waste container
 Control lever waste container (2) to the
front: Waste container is lowered.
 Control lever waste container (2) to the
back: Waste container is raised.
Control lever roller brush
 Roller brush control lever (3) forwards:
Raises the roller brush.
 Roller brush control lever (3) back-
wards: Lowers the roller brush.
Control lever container flap
 Control lever container flap (4) to the
front: The container flap of the waste
container opens.
 Control lever container flap (4) to the
back: The container flap of the waste
container closes.
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