Stihl FC 91 Instruction Manual page 20

English
Cranking
Place the unit on the ground: It must
N
rest securely on the engine support
and the deflector.
To reduce the risk of accidents, check
that the cutting attachment is not
touching the ground or any other
obstacles.
Make sure you have a firm footing,
N
either standing, stooping or
kneeling.
Hold the unit firmly on the ground
N
with your left hand and press down
– do not touch the throttle trigger or
lockout lever – your thumb should
be under the fan housing.
NOTICE
Do not stand or kneel on the drive tube.
18
Hold the starter grip with your right
N
hand.
Pull the starter grip slowly until you
N
feel it engage and then give it a brisk
strong pull.
NOTICE
Do not pull out the starter rope all the
way – it might otherwise break.
Do not let the starter grip snap back.
N
Guide it slowly back into the housing
so that the starter rope can rewind
properly.
Continue cranking until the engine
N
runs.
As soon as the engine runs
Press down the throttle trigger
N
lockout and open the throttle – the
choke knob moves to the run
position F. After a cold start, warm
up the engine by opening the
throttle several times.
WARNING
There is a risk of injury if the cutting
attachment runs when the engine is
idling. Adjust the carburetor so that the
cutting attachment does not run when
the engine is idling – see "Adjusting the
Carburetor".
Your machine is now ready for
operation.
Stopping the Engine
Depress the momentary contact
N
stop switch – the engine stops –
release the stop switch – it springs
back to the run position.
Other Hints on Starting
Engine stalls in cold start position g or
under acceleration.
Move the choke knob to < and
N
continue cranking until the engine
runs.
Engine does not start in warm start
position <
Move the choke knob to g and
N
continue cranking until the engine
runs.
If the engine does not start
Check that all settings are correct.
N
Check that there is fuel in the tank
N
and refuel if necessary.
Check that the spark plug boot is
N
properly connected.
Repeat the starting procedure.
N
FC 91