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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.
Mounting of
winter kit
• Brake away and discard the
intermediate wall.
• Cut out the hole by using a
knife according to the
illustration.
• Mount the winter plug.
Temperature 0
o
C (32
o
F) or colder
Move the plug from position
1 to position 2 so that the
preheated air from the
cylinder can pass into the
carburetor space and
prevent icing on the airfilter.
NOTE! When the plug is
mounted in the air nozzle
for the ”Air injection” the air
filter must be cleaned at
least once every day.
Temperature -5
o
C
(23
o
F) or colder
For running the saw in cold
weather or powder snow, a
special cover is available,
which is mounted on the
starter housing. This reduces the air flow and prevents large
amounts of snow from being sucked in.
IMPORTANT! If a special winter kit is assembled or measures
are taken to increase the engine temperature, a readjustment to
normal setting has to be done when the saw is used under
normal conditions. Otherwise, there is a risk of overheating,
which can cause severe engine damage.
IMPORTANT! Any maintenance other than that described in
this manual must be carried out by your servicing dealer.
1
2
1
2
5
4
3
Centrifugal cleaning ”Air Injection”
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.
Heated handles
On the model XPG both the
front handle and the rear
handle are equipped with
electrical heating coils. These
are supplied with electricity
from a built-in generator in the
electrical system. The switch
for the heating coils is placed
to the right of the rear handle.
When the switch is pushed to
the right, the heat is switched
on. When it is pushed to the
left, the heat is switched off.