During The First 10/50/100 Operating Hours (Running-In Period); Parking Brake; Drive Mode; Start The Engine - Kärcher MC 250 Handbuch

11.1 During the first 10/50/100 operating hours
(running-in period)
 Drive the first 100 hours of operation gently and avoid
overloading.
 After 50 operating hours: Initial inspection must be car-
ried out by the authorized Customer Service according
to the inspection checklist (ICL).
 After 10 operating hours: Check the wheel bolts.

11.2 Parking brake

The parking brake requires hydraulic pressure to release.
The brakes are automatically actuated when the engine is
switched off.
The parking brake is also applied when the engine is run-
ning and the travel direction lever is in the NEUTRAL posi-
tion.
Note
The "Parking brake applied" warning light in the multifunc-
tion display lights up when the parking brake is applied.

11.3 Drive mode

11.3.1Start the engine

1. Sit in the driver's seat.
2. Insert the ignition key in the ignition lock.
3. Bring the travel direction selector switch into the middle
position (neutral position).
4. Switch on the ignition.
5. Wait until the display is complete.
6. Start the motor.
If the charge indicator and engine oil pressure warning
lights do not go out, switch off the engine and remedy
the fault. See chapter "Error messages in symbol dis-
plays"
7. In the event of ambient temperatures below 0 °C: Warm
up the vehicle at low engine speed.

11.3.2Selecting the travel direction

For a more detailed description of the travel direction se-
lector switch, see the chapter "Steering wheel console |
Travel direction selector switch"
Travel direction selector switch
1
1. Pull the selector switch upwards towards the steering
wheel, then move it in the desired direction of travel
(front / rear).
The travel direction is shown in the display.
2. Select the desired transport speed or working speed us-
ing the accelerator pedal.

11.3.3Driving

WARNING
Danger of accident
Only drive with the attachment properly mounted.
CAUTION
Risk of damage
Make sure that the vehicle does not become stuck when
driving over obstacles.
Drive over obstacles up to 150 mm slowly and carefully at
an angle of 45°.
Obstacles above 150 mm may only be driven over using a
suitable ramp.
CAUTION
Risk of damage due to flashing beacon
Pay attention to the protruding flashing beacon (2.20 m)
when driving into underground garages etc. If necessary,
remove it beforehand. Do not stand on the bonnet (fresh
water tank).
CAUTION
Danger of accident
Switch off the PTO when driving on public roads for trans-
portation purposes (not when cleaning public roads).
Note
Releasing the accelerator pedal provides no noticeable
braking effect.
1. Fasten the seat belt.
2. Carefully press the accelerator pedal.
3. Steer the travel direction using the steering wheel.
4. The brake pedal must be pressed in order to brake.

11.3.4Stopping

1. Take your foot from the accelerator pedal.
Note
Releasing the accelerator pedal provides no noticeable
braking effect in transport mode.
2. To stop or in an emergency, press the brake pedal.

11.3.5Tempomat

The Tempomat is only active in Working mode.
Activating Tempomat
1 Select the desired working speed using the accelerator.
2 Press function key F 8.
Tempomat is activated.
Deactivating Tempomat
1 Press the brake pedal or function key F 8.
Function key F 9 (Resume Tempomat) activates the previ-
ously set speed.

11.3.6Parking the vehicle

WARNING
Risk of injury due to attachments
Fully lower any mounted attachments.
1. Stop the vehicle.
2. Bring the travel direction selector switch into the neutral
position (middle position).
The parking brake is automatically actuated in this posi-
tion.
3. Lower mounted attachments (not the sweeping sys-
tem).
4. Allow the engine to run in idle mode for 1 to 2 minutes.
5. Switch off the ignition and remove the ignition key.
6. For a longer stop, press the battery disconnector relay
button. See "Battery disconnector relay" chapter.
English 57