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MAINTENANCE
36 – English
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 carburettor.
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 carburettor by using the
heat from the cylinder.
Temperature 0°C or colder:
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
carburettor space preventing icing of the air filter, etc.
For temperatures below -5
°C 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 carburettor
space.
CAUTION! When the winter plug is fitted the winter flap
m
ust be open!
Heated handles
(CS 2156W, CS 2159W)
On models with the model code W, both the front handle
bar and the rear handle are equipped with electr
ical
heating coils. These are supplied with electricity from a
generator built into the chain saw.
When the switch is pushed downwards, the heat is
s
witched on. When the switch is pushed upwards, the
heat is switched off.
Electrical carburettor heating
(CS 2156WH, CS 2159WH)
On models with the designation
CARBURETOR
HEATING
there is an electrically heated carburetor.
Electrically powered heating prevents ice formation in the
carburetor. A thermostat regulates the heating so that the
carburetor always has the right working temperature.
IMPORTANT! If the temperature rises above -5
°C or
0
°C respectively the machine MUST be restored to its
normal set-up. Otherwise there is a risk of overheating,
which can cause severe engine damage.
H
H