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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.
2
1
The cooling system consists of:
1
Air intake on the starter.
2
Cooling fins on the cylinder.
3
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.
44 – English
MAINTENANCE
3
Bevel gear
The bevel gear is filled with the right quantity of grease at the
factory. However, before using the machine you should
check that the bevel gear is filled three-quarters full with
grease. Use HUSQVARNA special grease.
The grease in the bevel gear does not normally need to be
changed except if repairs are carried out.
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.
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