Owner's Manual

MS 291 C-Q
English
34
In the winter operation position, the tip of
the arrow (1) is visible.
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 slide is set back to
position s (summer operation)
without fail, otherwise the engine
may malfunction due to overheating
At temperatures below +14 °F (-10 °C)
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!)
Air filter system
N Retrofit new air filter if necessary –
see "Air filter system"
Versions with Easy2Start
To reduce the risk of serious or fatal
injury:
– do not allow children or other
unauthorized persons to attempt to
start or otherwise use the machine
– never allow children or
unauthorized persons access to the
machine
– never leave the machine
unattended while working or during
work breaks
– after work, store in a safe, secure
location out of the reach of children
and other unauthorized persons
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
Adjusting the Master Control lever
To adjust the Master Control lever from
the operating position F to cold start l,
press and hold down the throttle trigger
lockout and throttle trigger
simultaneously – set Master Control
lever.
Starting / Stopping the
Engine
This machine is extremely simple
and easy to start, even for
children.
STOP
0
001BA140 KN