Stihl MS 291 C-Q Instruction Manual - Page 36

Starting / Stopping the, Engine

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English 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 Starting / Stopping the Engine Versions with Easy2Start This machine is extremely simple and easy to start, even for children. 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 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 001BA140 KN N Retrofit new air filter if necessary - see "Air filter system" 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. 34 MS 291 C-Q

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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