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Husqvarna 355FXT Manuel D'utilisation page 70

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3
If the start throttle speed is too low (below 4000 rpm),
turn the adjuster screw A clockwise until the cutting
attachment starts to rotate. Then turn A clockwise a
further 1/2 turn.
4
If the start throttle speed is too high (above 6500 rpm),
turn the adjuster screw A anti-clockwise until the
cutting attachment stops. Then turn adjuster screw A
clockwise a further 1/2 turn.
Muffler
CAUTION! Some mufflers are fitted with a catalytic
converter. See chapter on Technical data to see whether
your machine is fitted with a catalytic converter.
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.
Some mufflers are equipped with a special spark arrestor
screen. If your machine has this type of muffler, you
should clean the screen at least once a week. This is best
done with a wire brush.
On mufflers without a catalytic converter the screen
should be cleaned weekly, or replaced if necessary. On
mufflers fitted with a catalytic converter the screen should
be checked, and if necessary cleaned, monthly. If the
screen is damaged it should be replaced.
If the screen is frequently blocked, this can be a sign that
the performance of the catalytic converter is impaired.
Contact your dealer to inspect the muffler. A blocked
screen will cause the machine to overheat and result in
damage to the cylinder and piston.
CAUTION! Never use a machine with a defective muffler.
WARNING! Mufflers fitted with catalytic
!
converters get very hot during use and
remain so for some time after stopping.
This also applies at idle speed. Contact
can result in burns to the skin.
Remember the risk of fire!
Cooling system
To keep the working temperature as low as possible the
machine is equipped with a cooling system.
70 – English
MAINTENANCE
The cooling system consists of:
1
Air intake on the starter.
2
Fins on the flywheel.
3
Cooling fins on the cylinder.
4
Cylinder cover (directs cold air over the cylinder).
Clean the cooling system with a brush once a week, more
often in demanding conditions. A dirty or blocked cooling
system results in the machine overheating which causes
damage to the piston and cylinder.
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.
Clean the filter every 25 hours, or more regularly if
conditions are exceptionally dusty.
4
3
2
1

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355fx355rx355frm