39
No oil pressure:
Too little engine oil.
Check engine oil level, refill.
No oil pressure:
Slope too steep.
Bring the device to a level position.
Poor quality, dirty, or old fuel.
Clean fuel system (authorised service
centre).
Always use fresh fuel.
Engine starts badly or
runs irregularly
Choke is closed.
Open choke (see chapter Starting).
Air filter is dirty.
Maintain air filter (see chapter Mainten-
ance).
Poor quality, dirty, or old fuel.
Always use fresh fuel.
Spark plug is dirty, damaged, or
incorrect electrode gap.
Clean spark plug and check electrode
gap (see chapter Maintenance). Re-
place spark plug if necessary.
Device does not
move
The drive is unlocked.
Lock the drive.
Hydrostatic drive is overheated. Cool down (see chapter Maintenance).
Blade cannot be en-
gaged
Lever for cutting height adjust-
ment in transport position.
Lower lever for cutting height adjust-
ment to the desired cutting height.
The blade does not
rotate
V-belt is insufficiently tensioned
or damaged.
Authorised service centre.
Bowden cable is defective.
Authorised service centre.
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.
Muffler is defective.
Authorised service centre.
Hydrostatic drive is overheated. Cool down (see chapter Maintenance).
Engine is smoking
Air filter is dirty or drenched
with oil.
Maintain or replace air filter (see
chapter Maintenance).
Oil level is too high.
Have authorised service centre lower
the oil level to the marking.
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