Information Before You Start; Starting / Stopping The Engine - Stihl MS 193 Instruction Manual

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Information Before You Start

The three positions of the Master
Control lever:
STOP
Stop 0 – engine off – the ignition is
switched off.
Normal run position F – engine runs or
can fire.
To move the Master Control lever from F
to n, press down the throttle trigger
lockout and squeeze the throttle trigger
at the same time.
Starting throttle position n – this
position is used to start a warm engine.
The Master Control lever moves to the
normal run position as soon as the
throttle trigger is squeezed.
26
Starting / Stopping the
Engine
Positions of Choke Shutter
Choke shutter closed l – for starting
the engine
Select this position:
if the engine is cold
–
if the engine stalls when you open
–
the throttle after starting.
if the fuel tank was run until empty
–
(engine stopped).
Choke shutter open j – for starting the
engine
Select this position:
if the engine is warm, i.e. if it has
–
been running for about one minute.
When the engine begins to fire
–
after clearing a flooded combustion
–
chamber.
Setting the Master Control Lever
To move the Master Control lever from
the normal run position (F) to starting
throttle (n), press down the throttle
trigger lockout and squeeze the throttle
trigger at the same time and hold them in
that position – now set the Master
Control lever.
The Master Control lever moves from
the starting throttle position (n) to the
run position (F) when you press down
the throttle trigger lockout and blip the
throttle trigger at the same time.
To switch off the engine, move the
Master Control lever to Stop (0).
Manual fuel pump
The manual fuel pump bulb must be
pressed:
When starting for the first time.
–
if the fuel tank was run until empty
–
(engine stopped).
Holding the Saw
There are two ways of holding the saw
when starting.
MS 193 C