Stihl FS 40 Instruction Manual page 15

Blocking the shaft
N
To block the shaft, insert a suitable
tool (12) through the holes (13) in
the deflector and thrust plate – turn
the thrust plate back and forth if
necessary.
FS 40, FS 40 C, FS 50, FS 50 C
STIHL FixCut 5-2
5
4
3
1
N Slip the thrust plate (2) over the
shaft.
N Place the mowing head on the
thrust plate (2).
Collar (see arrow) must engage
the mowing head's mounting hole.
N Push the thrust washer (3) over the
shaft (1) so it is seated on the base.
N Block the shaft – see "Blocking the
Shaft".
N Use the combination wrench (5)
(special accessory) to screw the
mounting nut (4) on to the output
shaft clockwise and tighten it down
firmly.
Remove the locking pin.
Removing the mowing head
STIHL AutoCut
N Hold the mowing head steady.
N Unscrew the cap counterclockwise.
STIHL PolyCut
N Block the shaft – see "Blocking the
Shaft".
N Unscrew the mowing head
counterclockwise.
STIHL FixCut
N Block the shaft – see "Blocking the
Shaft".
2 N Use the combination wrench
(special accessory) to loosen and
unscrew the mounting nut
counterclockwise from the output
shaft.
If the mounting nut turns too
freely, fit a new one.
English
13