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16. Troubleshooting
Troubleshooting
The table shows potential failures, their possible cause and solutions. However, if you are unable to solve the
problem, contact a professional to assist you.
m CAUTION!
Always switch off the engine and disconnect the ignition cable before starting any inspection or adjustment work.
m CAUTION!
If, after making an adjustment or repair to the engine, you let it run for a few minutes, remember that the exhaust pipe
and other parts will become hot. Thus, do not touch the parts that emanate heat, as these may burn you.
Fault
Possible cause
• Screws are loose
• Mowing blade attachment loose
Unsteady running,
• Mowing blade not balanced
strong vibration of
• V-belt damaged
the device
• Ejector chute blocked
• Incorrect start sequence
• Choke setting incorrect
• Engine brake lever not pressed
• Throttle in wrong position
• Spark plug is defective
• Fuel tank is empty
• Bowden cables too long
• poor fuel, storage without emptying the
Engine does not run
• spark plug fouled (carbon residue on the
• The spark plug is wet from the petrol
• Engine defective
• Cooling fins are dirty
Combustion engine
• Engine oil level too low
gets very hot
• V-belt worn out
• Transmission disengaged
• V-belt (transmission) unhooked
• V-belt (transmission) worn or damaged
Device does not
• Missing parallel key between rear axle
move
• Air filter dirty
Engine runs un-
• Spark plug dirty
steadily
66 | GB
petrol tank, incorrect petrol type
electrodes), electrode distance too large
(engine flooded)
and rear wheels
www.scheppach.com · service@scheppach.com
Remedy
• Check screws
• Check mowing blade attachment
• Replace mowing blade by specialist
workshop
• Contact the specialist merchant/custom-
er service
• Clean the ejector chute
• Check start process
• Check choke setting
• Press engine brake lever
• Check setting
• Replace spark plug
• Refill with fuel
• Adjust the Bowden cables using the
union nuts
• Empty the fuel tank and carburettor. Fill
with fresh fuel
• Clean the plug, check the heat value
of the plug, replace the spark plug as
required, set to 0.6 - 0.8 mm
• Dry the spark plug and insert it again
• Contact authorised customer service
• Clean the cooling fins
• Check fill level of engine oil and top up
engine oil
• Replace V-belt
• Engaging the gear (transmission free-
wheel bow)
• Hook in the V-belt (transmission)
• Replace the V-belt (transmission)
• Fitting the parallel key
• Clean the air filter
• Clean the spark plug
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