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32 – English
MAINTENANCE
Cooling system
To obtain the lowest possible running temperature the saw is
equipped with a cooling
system.The cooling system
consists of:
1. Air intake on the starter
unit.
2. Air guide plate.
3. Fan blades on the
flywheel.
4. Cooling fins on the
cylinder.
5. Cylinder cowling (supplies
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 saw overheating which causes damage to
piston and cylinder.
Winter use
During winter time, powder snow and cold weather can cause
running problems, such as:
• Too low engine temperature.
• Icing on the air filter and carburetor.
Therefore some special measures are required:
• Partly reduce the air inlet of the starter and by doing that
increase the engine temperature.
• Preheat the intake air to the carburetor by removing the
special plug between the cylinder and the carburetor space.
Centrifugal cleaning ”Turbo”
Centrifugal cleaning means
the following:
All air to the carburetor is
carried through the starter.
Dirt and dust is centrifuged
away by the cooling fan.
IMPORTANT! In order to
keep the function of the
centrifugal cleaning, a
continous maintenance and
care must be made.
• Clean the air intake to the
starter, the fan wings of the
flywheel, the space around
the flywheel, inlet pipe and
carburetor space.
IMPORTANT! Any maintenance other than that described in
this manual must be carried out by your servicing dealer.
Electrically heated handles or carburetor
Electrically heated handles or
carburetor receive their
current from an alternator built
into the flywheel. The current
is controlled by an ON/OFF/
ON switch.