Table of Contents
Advertisement
Engine starts badly or
runs irregularly
No or insufficient
drive when the drive
bar is actuated.
The blade slides
Strong vibrations dur-
ing operation
Irregular noises
Engine is smoking
Engine gets hot
30
Choke is closed.
Air filter is dirty.
Poor quality, dirty, or old fuel.
Spark plug is dirty, damaged, or
incorrect electrode gap.
Wrong spark plug connector.
Housing of the mower is
jammed.
Drive belt is insufficiently ten-
sioned.
Drive train is incorrectly adjus-
ted.
Clutch is worn.
Replace friction discs.
Imbalance of the blade caused
by incorrect sharpening or
chips on the blade.
Blade drive shaft is bent due to
collisions with foreign objects.
Engine fastening is loose.
Blade fastening is loose.
Loose fastening elements.
Silencer is defective.
Air filter is dirty or drenched
with oil.
Oil level is too high.
Ventilation grid is dirty.
Oil level in the engine is too low
(4-stroke devices).
Cooling fins of the engine are
dirty.
Open the choke.
Maintain air filter (see chapter Mainten-
ance).
Always use fresh fuel.
Clean spark plug and check electrode
gap (see chapter Maintenance). Re-
place spark plug if necessary.
Use the specified spark plug connector
(see spare part information of the au-
thorised service centre).
See chapter Maintenance.
Authorised service centre.
Check the drive (see chapter Mainten-
ance).
Check the drive (see chapter Mainten-
ance).
Authorised service centre.
Have blade resharpened and balanced
by an authorised service centre. Re-
place a damaged blade immediately.
Authorised service centre.
Authorised service centre.
Authorised service centre.
Authorised service centre.
Authorised service centre.
Maintain or replace air filter (see
chapter Maintenance).
Have authorised service centre lower
the oil level to the marking.
Clean ventilation grid.
Refill engine oil (see operating instruc-
tions of the engine manufacturer).
Have cooling fins cleaned by authorised
service centre.
Advertisement
Table of Contents
