Instruction Manual
FS 40, FS 40 C, FS 50, FS 50 C
English
15
Preparations
N Before fueling, clean the filler cap
and the area around it to ensure that
no dirt falls into the tank.
N Position the machine so that the
filler cap is facing up.
Opening screw-type tank cap
N Turn the cap counterclockwise until
it can be removed from the tank
opening.
N Remove the cap.
Filling up with fuel
Take care not to spill fuel while fueling
and do not overfill the tank. STIHL
recommends you use the STIHL filler
nozzle (special accessory).
Closing screw-type tank cap
N Place the cap in the opening.
N Turn the cap clockwise as far as
stop and tighten it down as firmly as
possible by hand.
Controls
Version with loop handle
1 Throttle trigger lockout
2 Throttle trigger
3 Stop switch with Run and 0 = Stop
positions.
Function of stop switch and ignition
system
The stop switch is normally in the Run
position, i.e. when it is not depressed:
The ignition is switched on – the engine
is ready to start. If the stop switch is
moved to the 0 position, the ignition is
switched off. The ignition is switched on
again automatically after the engine
stops.
Fueling
547BA045 KN
002BA447 KN
002BA448 KN
Starting / Stopping the
Engine
546BA007 KN
1
3
2