37FS 90, FS 90 R
English / USA
Symbol on slide control
h  (7) – stop symbol and arrow – to stop 
the engine, push the slide control in 
direction of arrow on stop symbol (h ) to 
STOP-O.
Starting
: Hold down the throttle trigger 
interlock and squeeze the throttle 
trigger.
: While holding both levers in this 
position
: move the slide control to  START 
and hold it there.
: Now release the throttle trigger, 
slide control and trigger interlock in 
that order. This is the starting 
throttle position.
: Set the choke knob (8):
For cold start to  
g
For warm start to    e 
even if engine has been running but 
is still cold
: Press fuel pump bulb (9) at least five 
times – even if the bulb is already 
filled with fuel.
: Place the unit on the ground: It must 
rest securely on the engine support 
and deflector. 
Check that the cutting tool is not 
touching the ground or any other 
obstacles.
: Make sure you have a firm footing.
: Hold the unit with your left hand and 
press it down firmly – your thumb 
should be under the fan housing.
Do not stand or kneel on the drive 
tube!
249BA007 KN
9
8