Stihl MS 311 User Manual

MS 311, MS 391
English
30
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).
In case of erratic idling behavior or poor
acceleration
N Turn the low speed screw (L)
1/4 turn counterclockwise
Whenever the low speed screw (L) has
been adjusted, it is usually also
necessary to adjust the idle speed
adjusting screw (LA), see "Setting the
carburetor".
N if the chain saw is extremely cold
(frost formation) – after starting,
bring the engine up to operating
temperature at increased idle speed
(disengage chain brake!)
Cover plate
The cover plate (special accessory)
keeps out powdered or drifting snow.
When the cover plate is used, the slide
must be in the winter position.
If engine trouble occurs, first check
whether use of the cover plate is
necessary
Attach cover plate
N Insert cover plate (1) with both tabs
(arrows) and fasten with the
screws (2)
Positions of the Master Control lever
Stop 0 – engine off – ignition is switched
off
Operating position F – engine is
running or can start
Warm start n – this position is for
starting the warm engine – the Master
Control lever returns to the operating
position when the throttle trigger is
squeezed
Cold start l – this position is for
starting the cold engine
2
4903BA004 KN
2
1
Starting / Stopping the
Engine
STOP
0
001BA140 KN

Stihl MS 311 Specifications

General

Oil tank capacity	0.348 L
Fuel tank capacity	0.6 L
Power source	Gasoline

Weight and Dimensions

Weight	6200 g