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.
Pre-heat carburetor
Winter Operation
At temperatures below +50 °F
(+10
°C)
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.
Remove shroud
1
N
N
Move the Master Control lever to the
stop position 0
Push the hand guard forwards – the
saw chain is blocked
N
Pull the slide (1) out of the
positions (summer operation)
Chain brake maintenance
1
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:
2
1
1
Full-time usage:
Part-time usage:
Occasional usage:
every 3
months
N
N
Loosen screws (1)
every 6
months
Remove the shroud (2)
N
N
Place the slide in the positionr
(winter operation) –r facing
upwards
every 12
months
Refit the shroud and tighten the
screws
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 slide is set back to
positions (summer operation)
without fail, otherwise the engine
may malfunction due to overheating
MS 311, MS 391
29
| Categories | Chainsaw Manuals, STIHL Chainsaw Manuals |
|---|---|
| Tags | STIHL MS 311, STIHL MS 391 |
| 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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