Husqvarna M53 S 用户手册
16 –
English
MAINTENANCE
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.
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.
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 0.76 mm. The spark plug should be
replaced after about a month in operation or earlier if
necessary.
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 0.76 mm. The spark plug should be
replaced after about a month in operation or earlier if
necessary.
CAUTION! Always use the recommended spark plug type!
Use of the wrong spark plug can damage the piston/cylinder.
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.
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.
machine.
Never use a machine that has a faulty muffler.
Cutter
It is important to have a sharp and correctly balanced cutter.
Loosen the bolt holding the cutter and leave the cutter at a
service workshop at least once a year for grinding and
balancing. An appropriate time to do this is after the mowing
season has finished.
Loosen the bolt holding the cutter and leave the cutter at a
service workshop at least once a year for grinding and
balancing. An appropriate time to do this is after the mowing
season has finished.
If the cutter or cutter bracket need to be changed you must
replace the cutter bolt, washer and cup spring at the same
time.
replace the cutter bolt, washer and cup spring at the same
time.
The bolt should be tightened with a torque of 45-60 Nm when
you fit the cutter again. See instructions under the heading
Assembly.
you fit the cutter again. See instructions under the heading
Assembly.
If the cutter hits foreign objects such as stones, roots or the
like the cutter will slip against the cutter bracket. This may
mean that the contact surface of the cutter bracket appears
slightly worn, which is completely normal. This is a safety
device, which reduces the risk of the engine shaft becoming
bent.
like the cutter will slip against the cutter bracket. This may
mean that the contact surface of the cutter bracket appears
slightly worn, which is completely normal. This is a safety
device, which reduces the risk of the engine shaft becoming
bent.
Changing the oil
The engine oil should be changed each year and every 25
working hours.
working hours.
When changing the oil proceed as follows::
•
Empty the fuel tank by running the machine until the tank
is empty.
is empty.
•
Disconnect the HT lead from the spark plug.
•
Unscrew the oil filler cap.
!
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!
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
cuts.
when repairing the cutting attachment. The
blades are very sharp and can easily cause
cuts.
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