20
Cleaning the air filter
Danger!
Cleaning agents pose a fire and
explosion hazard.
Never clean the air filter with
flammable solvents.
Always make sure that the air filter is clean. A
dirty air filter affects the engine output and
increases the fuel consumption. Independent
from the number of operating hours the filter
inserts should be changed at least annually.
Do not operate the engine without air filter.
1. Unscrew the air filter cap.
2. Carefully pull out the filter element.
Make sure that no dirt enters the interior
of the air filter housing.
3. Carefully clean the interior of the air filter
housing.
4. Clean the filter element by brushing off
or blowing out all the dirt (replace if
necessary).
5. Re-insert the filter element.
6. Screw the air filter cap firmly back on.
Checking rear brake
Danger!
If the brakes are incorrectly
adjusted, the device can roll away.
Make sure that the brake is always
functioning properly.
1
1. Put the device on a non-slip surface (e.g.
concrete or asphalt).
2. Switch off the drive.
3. Actuate the rear brake.
4. Try to move the device.
If the rear wheels lock, the rear brake is
correctly adjusted. If you can push the
device, the rear brake must be re-adjusted.
Re-adjusting the rear brake:
Turn the adjusting screw (1) at the brake
lever until the wheel lock while the brake is
applied. When the adjustment is completed
and the braking performance still has not
improved, have an authorised service centre
check the device.
Checking the drive
1. Put the device on a non-slip surface (e.g.
concrete or asphalt).
2. Switch off the engine.
3. Actuate the drive.
4. Try to pull the device backwards.
If the rear wheels lock, the drive is correctly
adjusted. If you can pull the device, the drive
must be re-adjusted.
1
Re-adjusting the drive:
1. Release the drive lever.
2. Unscrew the adjusting screw (1) until the
wheels lock while the drive lever is pulled
and you are pulling the device.
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