English
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.
Heated air is now drawn in from around
the cylinder to warm the carburetor – this
helps prevent carburetor icing.
Winter Operation
At temperatures above +70°F (+20°C):
Check operation of chain brake
N
Always return the shutter to the
summer position (s ) to avoid
engine running problems and
overheating.
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.
Preheating the carburetor
N
Remove the shroud – see "Shroud".
At temperatures below 14°F (-10°C)
At temperatures below +50°F (+10°C):
It is advisable to fit the "cover plate" kit
(special accessory) if you use your saw
in extremely cold conditions
(temperatures below 14°F (-10°C), in
powder or drifting snow).
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:
If idling behavior is erratic or
acceleration is poor:
N
Turn the low speed screw (L) 1/4 of
a turn counterclockwise.
N
Use the combination wrench or a
screwdriver to ease the shutter out
of the summer positions.
It is usually necessary to change the
setting of the idle speed screw (LA) after
every correction to the low speed
screw (L) – see "Adjusting the
Carburetor".
Full-time usage:
Part-time usage:
Occasional usage:
every 3
months
every 6
months
every 12
months
N
If your saw is very cold (frost or ice
on machine), start the engine and
keep it at a high idle speed (with
chain brake disengaged) until it
reaches normal operating
1
temperature.
N
Refit the shutter the other way round
in the winter position – the arrow
points to the symbolr – the shutter
must snap into position.
Cover plate
The cover plate (special accessory)
helps prevent snow being sucked into
the machine.
The arrowhead (1) is visible in the winter
position.
When the cover plate is fitted, the
N
Install the shroud – see "Shroud".
shutter must be in the winter position.
MS 261, MS 261 C
33
| Categories | Chainsaw Manuals, STIHL Chainsaw Manuals |
|---|---|
| Tags | STIHL MS 261 |
| Download File |
|
| Language | English, Español |
| Product Brand | STIHL. Stihl Inc, USA - Corporate phone: (757) 486-9100. International Support Information: http://stihl.com Email: info@stihl.com, Chainsaw |
| Document File Type | |
| Publisher | stihl.com |
| Wikipedia's Page | Stihl |
| Copyright | Attribution Non-commercial |
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