AS MOTOR Ride-on-Allmaher AS 900 ENDURO Operator's Manual page 43

Engine starts badly or
runs irregularly
Device does not
move
The blade does not
rotate
Strong vibrations dur-
ing operation
Irregular noises
Engine is smoking
Engine gets hot
No oil pressure:
Slope is too steep.
Poor quality, dirty, or old fuel.
Choke is closed.
Air filter is dirty.
Poor quality, dirty, or old fuel.
Spark plug is dirty, damaged, or
incorrect electrode gap.
The drive is unlocked.
Hydrostatic drive is overheated. Cool down (see Maintenance).
Lever for cutting height adjust-
ment in transport position.
Electromagnetic clutch has in-
sufficient voltage.
V-belt is insufficiently tensioned
or damaged.
Unbalance at 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.
Cooling fins of the engine are
dirty.
Bring the device to a level position.
Clean fuel system (authorised service
centre).
Always use fresh fuel.
Open choke (see Starting the device).
Maintain air filter (see Maintenance).
Always use fresh fuel.
Clean spark plug and check electrode
gap (see Maintenance). Replace spark
plug if necessary.
Lock the drive.
Lower lever for cutting height adjust-
ment to the desired cutting height.
Let engine run for some time at medium
speed or charge battery.
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 Main-
tenance).
Have authorised service centre lower
the oil level up 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.
43