FS 45, FS 46
English
17
Preparations
N Lay your trimmer on its back with 
the loop handle and shroud pointing 
down and the output shaft facing up.
Thrust plate
The thrust plate is shipped with the 
PolyCut 6-3 and FixCut 5-2. It is only 
required for these mowing heads.
STIHL AutoCut 5-2 mowing head, 
STIHL AutoCut C 5-2 mowing head
N Pull the thrust plate (1), if fitted, off 
the shaft (2).
STIHL PolyCut 6-3 mowing head, 
STIHL FixCut 5-2 mowing head
N Slip the thrust plate (1) over the 
shaft (2) and engage the hex 
recess (3) on the external 
hexagon (4).
Mounting the Mowing Head
Keep the instruction sheet for the 
mowing head in a safe place.
STIHL AutoCut 5-2
N Fit the spring (1) in the mowing 
head (2).
N Wind the mowing line  (3) on to the 
spool (4).
N Thread the nylon line through the 
sleeves and fit the spool in the head.
The individual steps are described in the 
instruction sheet supplied.
Mounting the Cutting 
Attachment