Charging The Battery; Cleaning And Replacing Air Filters; Changing A Wheel - Kärcher MC 250 Handbuch

Minus terminal
3
Cover (not shown)
4
Installing the battery
1. Fit the battery into the battery holder.
2. Screw the bracket on the battery base tight.
3. Connect the terminal clamp (red cable) to the plus ter-
minal (+).
4. Connect the terminal clamp (black cable) to the minus
terminal (-).
5. Attach the cover.
Removing the battery
6. Always disconnect the minus terminal first when remov-
ing the battery.

14.7.5Charging the battery

DANGER
Risk of injury!
Only charge the battery with the appropriate charger.
Observe the safety instructions on the handling of batter-
ies.
Follow the operating instructions of the charger manufac-
turer.
1. Disconnect the minus terminal at the battery.
2. Connect the charger to the battery.
3. Insert the mains plug and switch on the charger.
4. Charge the battery with as small a charging current as
possible.
5. After charging, first disconnect the charger from the
mains and then from the battery (minus pole first).
6. Reconnect the battery.

14.7.6Cleaning and replacing air filters

The degree of contamination of the air filter is signalled by
a display. The warning light will come on when the filter be-
comes sufficiently clogged (no rising indication such as
e.g. temperature or DPF).
ATTENTION
Risk of damage to the engine
When cleaning the air filter, make sure that no foreign mat-
ter enters the intake tube.
Left-hand service flap
1
Air filter
2
1. Open the left-hand service flap.
Locking hooks (4x)
1
Cover
2
safety filter
3
Filter insert
4
Screw
5
Preliminary filter
6
Air filter contamination display
7
2. Open the locking hooks on the air filter housing.
3. Remove the air filter housing cover.
4. Open the screw and remove the preliminary filter.
5. Clean the preliminary filter with compressed air or a wa-
ter jet.
6. Remove the filter inlay and safety filter.
7. Tap out both filters and clean them with an outward-di-
rected compressed air jet, replace as needed or accord-
ing to the maintenance plan.
8. Clean the interior of the air filter housing.
9. Check that the sealing surfaces and suction channels
are clean and undamaged.
10.Install all cleaned filters again.

14.7.7Changing a wheel

DANGER
Risk of fatal injury from flowing road traffic
Bring the vehicle out of the hazard zone of flowing road
traffic before starting any repair work.
Switch on the warning flashers.
Erect a warning triangle.
Don warning clothing.
WARNING
Risk of injury due to sinking vehicle
Do not stand under the vehicle raised only with a jack.
CAUTION
Danger of accident
Ensure that the ground is level and solid. If necessary,
place a large-scale, stable surface under the jack.
ATTENTION
Perform the wheel change only if you are familiar with the
necessary steps for changing a wheel. Otherwise, seek
expert assistance.
Use only suitable and undamaged tools for changing a
wheel.
Use a suitable commercial jack with a lifting capacity of at
least 5000 kg.
English 63