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95
EN
EXCESSIVE VIBRATION
DIFFICULTY RESTARTING THE ENGINE AFTER USE OR ENGINE STOPS SUDDENLY DURING USE
REDUCED ENGINE POWER/SPEED DURING USE
POSSIBLE FAULT
SOLUTION
Blade is blunt or damaged
Have the blade sharpened or replace the blades.
Loose brackets/screws
Ensure all accessible screws and brackets are properly tightened.
Engine output shaft worn or bent Repair damaged or worn parts as required.
POSSIBLE FAULT
SOLUTION
Lack of fuel or oil on the engine
Check that there is an adequate amount of fuel. Some 4-stroke engines
feature an engine oil sensor which will turn off the engine automatically or
will not allow you to start it if it detects low engine oil level.
Cutting blades jammed
Remove jammed material off the blades. Should there be any obstacles in the
work area (stones, roots, etc.) avoid them or raise the cutting height.
Overheating
Allow the engine to cool before restarting it. Ensure that the air filter vents
and heat dissipation surface are clean and free from debris. If possible,
improve engine cooling such as operating at lower temperatures.
Carbon build-up on spark plug
Remove the spark plug and clean any carbon from the electrodes before
re-installing it.
Blocked/choked carburettor
Clean the carburettor.
POSSIBLE FAULT
SOLUTION
Blocked air filter.
Clean air filter.
Carbon build-up in engine and/or
entry to exhaust silencer.
Remove the engine cylinder head and clean any carbon from the combustion
chamber. For the exhaust silencer, remove it and clean any carbon deposits
from the exhaust entry port.
Carbon build-up on spark plug.
Remove the spark plug and clean any carbon from the electrodes before
re-installing it.
Blocked/choked carburettor.
Clean the carburettor.