Difficulty re-starting the engine after use, or engine stops during use
Possible Fault
Action
No fuel or engine oil
Check fuel level and ensure adequate fuel is available. A
n engine oil
sensor will automatically switch off the engine or prevent starting if a
low engine oil level is detected.
Blades jammed
Remove jammed material from the machine
Overheating
Allow engine to cool before restarting. Ensure all air vents and heat
dissipation surface are clean and free of debris. If possible, improve
engine cooling, such as operating in lower temperatures.
Carbon build up on
Remove the spark plug and clean any carbon from the electrodes
spark plug
before re-installing it.
Carburettor blocked
Clean the carburettor
Reduced engine speed/power during use
Possible Fault
Action
Blocked air filter
Check and clear air filter.
Carbon build up in
Remove the engine cylinder head or exhaust silencer, and clean away
engine or exhaust
any carbon deposits
Carbon build up on
Remove the spark plug and clean any carbon from the electrodes
spark plug
before reinstalling it.
Carburettor blocked
Clean the carburettor
Chipping action is poor
Possible Fault
Action
Obstruction
Remove any large branches and ensure all chutes are free of debris
Blade clearance
Check that cutting blade clearance is between 0.6-0.8mm
incorrect
Drive belt slipping
Adjust drive belt tension
Blades dull or
Sharpen or replace cutting blades
damaged
Machine jamming
Possible Fault
Action
Material too large or
Remove overly large branches from chipper. Reduce size of material
incorrect type
being chipped. Reduce feed rate of material. Ensure all chutes are
free of obstacles and non-chippable materials (stones/metal etc)
Blades dull or
Sharpen or replace cutting blades
damaged
Blade clearance
Check that cutting blade clearance is between 0.6-0.8mm
incorrect
Drive belt slipping
Adjust drive belt tension
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