Starting / Stopping The Engine - Stihl MS 391 Safety Manual

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Starting / Stopping the
Engine
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
22
Adjust 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.
To set the Master Control lever to warm
start n, first set it to cold start l, then
push the Master Control lever into the
warm start n position.
Switching to the warm start n position
is only possible from the cold start l
position.
Simultaneously pressing the throttle
trigger lockout and blipping the throttle
trigger causes the Master Control lever
to jump from the warm start n position
to the operating position F.
To switch off the engine, set the Master
Control lever to Stop 0.
Position choke shutter closed l
– if engine is cold
– if the engine stalls during opening of
throttle after starting
– if the fuel tank has run empty
(engine stalled out)
Position starting acceleration n
– if engine is warm (once the engine
has been running for approx. one
minute)
– when the engine has turned over for
the first time
– after ventilation of the combustion
chamber, if the engine was flooded
Holding the chain saw
There are two ways to hold the chain
saw during starting.
On the ground
N
Place the chain saw securely on the
ground – assume a steady stance –
the saw chain must not touch any
objects and also must not touch the
ground
N
With the left hand on handlebar,
press the chain saw firmly against
the ground – thumb wrapped
around the handlebar
N
Place your right foot through the
rear handle
MS 311, MS 391