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Maintenance - Husqvarna LC48 Operator's Manual

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WARNING! Make sure the cutting
attachment has stopped before cleaning,
carrying out repairs or an inspection.
Disconnect the HT lead from the spark plug.
The ignition lead should always be removed from the spark
plug before repair, cleaning or maintenance work.
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 solvent with petroleum, for example, kerosene, 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
replaced after about a month in operation or earlier if
CAUTION! Always use the recommended spark plug type!
Use of the wrong spark plug can damage the piston/cylinder.
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
Never use a machine that has a faulty muffler.
Damaged blades should be replaced when hitting obstacles
that result in a breakdown.
Replacing or sharpening the blades should be conducted by
an authorised service workshop.
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!
WARNING! Always wear heavy-duty gloves
when repairing the cutting attachment. The
blades are very sharp and can easily cause
0,5 mm
– 13

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