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18 Troubleshooting
Engine running roughly. Oil bath air filter dirty. ► Clean or replace oil bath air filter.
Incorrect fuel used. ► Check fuel.
Insufficient fuel in fuel
tank.
► Refill fuel tank.
Heavy smoke formation. Oil level in engine too
high.
► Drain engine oil.
Oil bath air filter dirty. ► Clean or replace oil bath air filter.
Angle of machine
inclination over 15°.
► Place machine in horizontal working position.
Excessive vibration during
operation.
Engine mounting loose. ► Tighten engine mounting bolts.
Tilling performance
reduced.
Hoes incorrectly installed. ► Install hoes correctly.
Hoes worn. ► Replace hoes.
Blade spur incorrectly set. ► Adjust blade spur.
Blade spur incorrectly set. ► Adjust blade spur.
Drive belt worn. ► Consult a STIHL specialist dealer.
Loud gearbox noise. Incorrect oil level in
gearbox.
► Check oil level in gearbox.
Components in gearbox
worn.
► Consult a STIHL specialist dealer.
Drive shaft does not rotate
when clutch lever
actuated.
Cable defective. ► Check or replace cable.
Drive belt worn. ► Consult a STIHL specialist dealer.
Oil leaking from gearbox
or engine.
Components in gearbox or
engine worn.
► Consult a STIHL specialist dealer.
Fault Cause Remedy