44
Strong vibrations dur-
ing operation
Imbalance of the blade caused
by incorrect sharpening or
chips on the blade.
Have blade resharpened and balanced
by an authorised service centre. Re-
place a damaged blade immediately.
Blade drive shaft is bent due to
collisions with foreign objects.
Authorised service centre.
Engine fastening is loose. Authorised service centre.
Blade fastening is loose. Authorised service centre.
Irregular noises Loose fastening elements. Authorised service centre.
Uneven cut, lawn be-
comes unsightly
Blade is dull or worn. Have blade resharpened and balanced
by an authorised service centre. Re-
place a damaged blade immediately.
Engine speed is too low. Set the engine speed to turbo.
Speed is too high in relation to
the cutting height.
Reduce speed and/or select the correct
cutting height.
Housing of the mower is heavily
contaminated.
Clean.
Different tire pressure. Check the tire pressure.
Mulching result with
high growth not satis-
factory.
Speed is too high. Reduce speed.
Engine speed too high or too
low.
Set a different engine speed.
Mulching result of
normal brush not sat-
isfactory
Plant material is ejected too
quickly.
Increase speed.
Engine speed too high or too
low.
Set a different engine speed.
Discharge channel
blocked
Mowed grass was too high or
too damp.
Adjust cutting height and mowing speed
to the mowing conditions.
Blade is worn. Authorised service centre.
Engine speed is too low. Set the engine speed to turbo.
The device does not
stop when the brake
is applied (if existing)
Brake is adjusted incorrectly,
worn, or defective.
Check the parking brake (see chapter
Maintenance). Authorised service
centre.
The device does not
stop
Drive belt does not declutch. Authorised service centre.
Engine does not stop Switching off system is defect-
ive.
Remove battery.
Authorised service centre.
The tires become flat Thorns or sharp objects dam-
age the tires.
If necessary, use tire protection gel (au-
thorised service centre).