AS 30 WeedHex 140
AS 30 WeedHex 160
1.4.8 Troubleshooting
Problem
Cause
Solution
The engine will not start
No fuel in the tank.
Fuel up.
The fuel valve is closed.
Open the fuel valve.
The device has been tilted - oil got into the
air filter.
Change the air filter, unscrew the spark plug and pull the engine starter
several times with the fuel valve closed. Dry the spark plug and screw it
back in.
The engine has been flooded due to too
many start attempts.
Unscrew the spark plug and pull the engine starter several times with the
fuel valve closed. Dry the spark plug and screw it back in.
The spark plug cable is disconnected.
Observe safety regulations! Mount back the spark plug cable.
The air filter is contaminated.
Keep the air filter clean (see also maintenance and cleaning).
The spark plug is fouled with carbon black,
damaged, or the distance between the
electrodes is not correct.
Clean the spark plug and check the distance between the electrodes (see
also maintenance and cleaning instructions). Change if necessary.
Poor quality, contaminated or old fuel.
Clean the fuel system (authorized service centre).
Always use fresh fuel.
Other defects.
Visit an authorized centre.
The engine does not start well;
irregular engine run.
The air filter is contaminated.
Keep the air filter clean (see also maintenance and cleaning).
Poor quality, contaminated or old fuel.
Clean the fuel system (authorized service centre).
Always use fresh fuel.
The spark plug is fouled with carbon black,
damaged, or the distance between the
electrodes is not correct.
Clean the spark plug and check the distance between the electrodes (see
also maintenance and cleaning instructions). Change if necessary.
The brush is not turning.
The engine is not started.
Start the engine.
The control lever is not depressed.
Press the control lever.
Insufficient belt tension.
Adjust the tension pulley.
Torn belt.
Visit an authorized centre.
The belt has come off.
Mount the belt back.
Other defects.
Visit an authorized centre.
The brush will not stop.
The tension pulley does not return back to
its position.
Lubricate.
The belt is behind the guide pins.
The belt must be replaced by a new one – the belt fibres might have been
damaged; the device to be inspected in a service centre – deformation of
parts.
Jerky movement of the brush with
the brush pulley deactivated.
The primary belt is too tight.
Screw the set screw of the handlebar Bowden cable 1 turn in. Check
whether the brush is still turning. Repeat the adjustment if necessary.
Other defects.
Visit an authorized centre.
Strong vibrations during
operation.
Unbalanced brush due to uneven wear.
Change the brush immediately.
Bent drive shaft of the brush due to a
collision with a fixed object.
Visit an authorized centre.
Motor mounting is loose.
Visit an authorized centre.
Irregular noise
Exhaust silencer loose.
Visit an authorized centre.
Smoke coming out of the engine
Air filter contaminated or containing oil.
Change the air filter (see also maintenance and cleaning).
Oil level too high.
Removing oil to achieve the correct level according to the dipstick - needs
to be performed by an authorized service centre.
The engine is too hot.
The vent grill is clogged.
Clean the starter vent grill.
Oil level is too low.
Top up the oil according to the instructions stated in the Engine Operating
Instructions.
Motor cooling is contaminated.
The cooling system may be cleaned only by an authorized service centre.
The control levers do not return
back.
The inner Bowden cable is stiff; bent
Bowden cable.
Lubricate or replace the Bowden cable.
Broken return spring.
Replace it by a new one.
Other defects.
Visit an authorized centre.
Another defect
Visit an authorized centre.
Table 10: Troubleshooting
16
R
ev
is
io
n
0
9
/2
0
2
0
