Stihl FS 87 Instruction Manual page 20

English
Go to "Mounting the mowing head"
N
or "Mounting the metal cutting
attachment".
Blocking the output shaft
2
8
7
Insert the stop pin (7) or screwdriver
N
– come standard with machine or
are available as special accessories
– in the hole (8) in the gearbox as far
as stop, and apply slight pressure.
Rotate the nut or cutting attachment
N
on the shaft (2) until the stop pin
slips into position and blocks the
shaft.
Mounting the Mowing Head
Keep the instruction sheet for the
mowing head in a safe place.
18
STIHL SuperCut 20-2,
STIHL AutoCut 25-2,
STIHL AutoCut C 25-2,
STIHL TrimCut 31-2, STIHL FixCut 25-
2, STIHL PolyCut 20-3
7
Screw the mowing head
N
counterclockwise on to the shaft (1)
as far as stop.
Block the shaft.
N
Tighten down the mowing head.
N
Remove the tool used to block the shaft.
Removing the Mowing Head
Block the shaft.
N
STIHL SuperCut 20-2,
STIHL AutoCut 25-2,
STIHL AutoCut C 25-2,
STIHL TrimCut 31-2, STIHL FixCut 25-
2, STIHL PolyCut 20-3
Unscrew the mowing head
N
clockwise.
Adjusting Nylon Line
STIHL SuperCut
Fresh line is advanced automatically if
remaining line is still at least 6 cm long.
The blade on the deflector trims surplus
1
line to the correct length.
STIHL AutoCut
Hold the rotating mowing head
N
above the ground – tap it on the
ground once – about 3 cm fresh line
is advanced.
The blade on the deflector trims surplus
line to the correct length – avoid tapping
the mowing head more than once at a
time.
Line feed operates only if both lines still
have a minimum length of 2.5 cm.
All other mowing heads
Refer to the instructions supplied with
the mowing head.
To reduce the risk of injury, always shut
off the engine before adjusting the
mowing line by hand.
FS 87, FS 87 R