FS 110, FS 110 R
English
28
(3) may point in either direction. The 
cutting edges of (2), (4) and (5) must 
point clockwise. 
Direction of rotation is indicated by an 
arrow on the inside of the mowing 
attachment deflector or limit stop.
N Place the cutting attachment (6) on 
the thrust plate (7).
Collar (see arrow) must engage the 
mowing head's mounting hole.
N Fit the thrust washer (8) and rider 
plate (9) on the shaft (10).
N Block the drive shaft.
N Use the combination wrench (12) to 
screw the mounting nut (11) on to 
the output shaft counterclockwise 
and tighten it down firmly.
If the mounting nut turns too freely, fit a 
new one.
Removing the metal cutting attachment
N Block the drive shaft.
N Unscrew the mounting nut 
clockwise.
N Take the parts off the shaft – do not 
remove the thrust plate (7).
The STIHL 4-MIX engine features 
mixture lubrication and must be run on a 
fuel mixture of gasoline and engine oil.
It operates otherwise on the 4-stroke 
principle.
4-MIX Engine