Stihl MS 241 C-M Instruction Manual - Page 35

Winter Operation

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felling cut. The chain brake will operate only if it has been properly maintained and the hand guard has not been modified in any way. Check operation of chain brake Before starting work: Run engine at idle speed, engage the chain brake (push hand guard toward bar nose). Accelerate up to full throttle for no more than 3 seconds - the chain must not rotate. The hand guard must be free from dirt and move freely. Chain brake maintenance The chain brake is subject to normal wear. It is necessary to have it serviced and maintained regularly by trained personnel, such as your STIHL servicing dealer, at the following intervals: Full-time usage: Part-time usage: Occasional usage: every 3 months every 6 months every 12 months Winter Operation Pre-heating carburetor N Remove the shroud - see "Shroud" At temperatures under +50 °F (+10 °C) N Using a screwdriver, pry the shutter out of the s (summer operation) position 2410BA012 KN English Heated air is now drawn in from around the cylinder and circulates around the carburetor - this helps prevent carburetor icing. At temperatures above +70 °F (+20 °C) N Ensure that the shutter is always returned to position s (summer operation), otherwise the engine may malfunction due to overheating At temperatures below +14 °F (-10 °C) Under extreme winter conditions (temperatures below +14 °F (-10 °C), powdered or drifting snow), it is recommended to use the "cover plate mounting kit" (special accessory). The mounting kit keeps out powdered or drifting snow. N If the chain saw is extremely cold (frost formation) - after starting, bring the engine up to operating temperature at medium speed (disengage chain brake!) Mounting the cover plate (special accessory) 2410BA013 KN MS 241 C-M 2410BA014 KN N Place the shutter with the opening in the direction of the chain saw in the r position (winter operation) - shutter must audibly snap into place N Fit the shroud - see "Shroud" 1 N Insert cover plate (1) with both tabs (arrows) and fasten with screws (2) 33

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MS 241 C-M
English
33
felling cut. The chain brake will operate
only if it has been properly maintained
and the hand guard has not been
modified in any way.
Check operation of chain brake
Before starting work: Run engine at idle
speed, engage the chain brake (push
hand guard toward bar nose).
Accelerate up to full throttle for no more
than 3 seconds – the chain must not
rotate. The hand guard must be free
from dirt and move freely.
Chain brake maintenance
The chain brake is subject to normal
wear. It is necessary to have it serviced
and maintained regularly by trained
personnel, such as your STIHL servicing
dealer, at the following intervals:
Pre-heating carburetor
N
Remove the shroud – see "Shroud"
At temperatures under +50 °F (+10 °C)
N
Using a screwdriver, pry the shutter
out of the
s
(summer operation)
position
N
Place the shutter with the opening in
the direction of the chain saw in
the
r
position (winter operation) –
shutter must audibly snap into place
N
Fit the shroud – see "Shroud"
Heated air is now drawn in from around
the cylinder and circulates around the
carburetor – this helps prevent
carburetor icing.
At temperatures above +70 °F (+20 °C)
N
Ensure that the shutter is always
returned to position
s
(summer
operation), otherwise the engine
may malfunction due to overheating
At temperatures below +14 °F (
-
10 °C)
Under extreme winter conditions
(temperatures below +14 °F (
-
10 °C),
powdered or drifting snow), it is
recommended to use the "cover plate
mounting kit" (special accessory). The
mounting kit keeps out powdered or
drifting snow.
N
If the chain saw is extremely cold
(frost formation) – after starting,
bring the engine up to operating
temperature at medium speed
(disengage chain brake!)
Mounting the cover plate (special
accessory)
N
Insert cover plate (1) with both tabs
(arrows) and fasten with screws (2)
Full-time usage:
every 3
months
Part-time usage:
every 6
months
Occasional usage:
every 12
months
Winter Operation
2410BA012 KN
2410BA013 KN
2410BA014 KN
1