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MAINTENANCE
English – 37
”Air Injection” centrifugal
cleaning
Centrifugal cleaning means the following: All air to the
carburetor passes through the starter. Dirt and dust is
pushed out by the cooling fan.
IMPORTANT! In order to maintain operation of the
centr
ifugal cleaning system it must be regularly
maintained. Clean the air intake to the starter, the fins on
the flywheel, the space around the flywheel, inlet pipe and
carburetor compartment.
Heated handles
(346XPG, 353G)
On models with the model code XPG/G both the front
handle bar and the rear handle are equipped with
electrical heating coils. These are supplied with electricity
from a generator built into the chain saw.
When the switch is pushed upwards, the heat is switched
on.
When the switch is pushed downwards, the heat is
switched off.
Electrical carburetor heating
(346XPG, 353G)
If this chain saw is marked with Carburetor Heating then it
is equipped with an electrically heated carburettor. The
electrical heating prevents icing in the carburettor. A
thermostat regulates heating so that the carburettor
always has the correct working temperature.
Winter use
Running problems can occur when using the machine in
the cold and snowy conditions caused by:
• Too low engine temperature.
• Icing of the air filter and carburetor.
Special measures are therefore often required:
• Partly mask the air inlet on the starter to increase the
w
orking temperature of the engine.
• Preheat the intake air to the carburetor by using the
heat from the cylinder.
Temperature 0°°
°°
C (32°°
°°
F) or colder:
A special winter kit, including necessary parts and
assembly instructions, is available for using the machine
in cold temperatures.
345e: Before usage a hole is made in the cylinder cover
and a winter flap is fitted (see illustration below).
346XP, 353: The cylinder cover is designed so it can be
adjusted for running in cold weather.
Twist the winter flap so that preheated air from the cylinder
can pass into the carb
uretor space preventing icing of the
air filter, etc.
For temperatures below -5
°C (23°F) and/or in snow
conditions there is also:
• a special cover (A) for the starter housing
• a winter plug (B) for the air nozzle that is fitted as
sho
wn.
These reduce the flow of cooling air and prevent large
amounts of sno
w from being sucked into the carburetor
space.
For further information see assembly instructions for the
winter kit.
CAUTION! When the winter plug is fitted the winter flap
m
ust be open!
IMPORTANT! If the temperature rises above -5°C
(23
°F) or 0°C (32°F) respectively the machine MUST be
restored to its normal set-up. Otherwise there is a risk of
overheating, which can cause severe engine damage.