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MAINTENANCE
Maintenance
The ignition lead should always be removed from the spark
plug before repair, cleaning or maintenance work.
Engine
Refer to the separate engine manual for all engine
maintenace instructions.
Air filter
The air filter must be regularly cleaned to remove dust and dirt
in order to avoid:
• Carburettor malfunctions
• Starting problems
• Loss of engine power
• Unnecessary wear to engine parts.
• Excessive fuel consumption.
An air filter that has been in use for a long time cannot be
cleaned completely. The filter must therefore be replaced with
a new one at regular intervals. A damaged air filter must
always be replaced.
Cleaning the air filter
Remove the air filter cover.
Remove the air filter and check that it is undamaged. Replace
with a new air filter if you believe it to be defective.
Clean the filter by knocking the filter against a flat surface.
Never use solvents, for example petrol or kerosine, or
compressed air to clean the filter.
When reassembling, make sure that the filter completely
seals against the filter holder.
Spark plug
If the machine is low on power, difficult to start or runs poorly
at idle speed: always check the spark plug first before taking
any further action. If the spark plug is dirty, clean it and check
that the electrode gap is 0.5 mm. The spark plug should be
checked regularly.
CAUTION! Always use the recommended spark plug type,
refer to Technical Data. Use of the wrong spark plug can
damage the piston/cylinder.
Muffler
The muffler is designed to reduce the noise level and to direct
the exhaust gases away from the operator. The exhaust
gases are hot and can contain sparks, which may cause fire
if directed against dry and combustible material.
Regularly check that the muffler is securely attached to the
machine.
Never use a machine that has a faulty muffler.
!
WARNING! Make sure the blade disc
assembly has stopped before cleaning,
carrying out repairs or an inspection.
Disconnect the ignition lead from the spark
plug.
!
WARNING! The muffler gets very hot in use
and remains so for a short time afterwards.
Do not touch the muffler if it is hot!
0,5 mm