Stihl FS 300 Instruction Manual page 18

English
STIHL SuperCut, STIHL AutoCut,
STIHL TrimCut
1
N Block the drive shaft.
N Screw the mowing head
counterclockwise onto the shaft (1)
and tighten it down firmly.
Remove the tool used to block the
shaft.
Keep the instruction sheet for the
mowing head in a safe place.
Removing the mowing head
N Block the drive shaft.
N Unscrew the mowing head
clockwise.
16
STIHL PolyCut 40-3 Mowing Head
2
1
N Block the drive shaft.
N Position the mowing head on the
shaft.
N
Fit the thrust washer (1) – convex
side must face down.
N Screw on the nut (2)
counterclockwise and tighten it
down firmly.
Remove the tool used to block the
shaft.
Removing STIHL PolyCut 40-3
N Block the drive shaft.
N Unscrew the mounting nut
clockwise.
If the mounting nut has become
too loose, fit a new one.
Adjusting Nylon Line
The instruction sheet supplied with the
mowing head contains a detailed
description.
SuperCut mowing head
Fresh line is advanced automatically
and trimmed to the correct length by the
blade on the deflector. Line feed
operates only if both lines are still at
least 6 cm long.
AutoCut mowing head
N Hold the rotating mowing head
above the grass surface.
N Tap it on the ground once – fresh
line is advanced and the blade on
the deflector trims it to the right
length.
Line feed operates only if both lines are
still at least 2.5 cm long.
TrimCut mowing head
N
Shut off the engine – push the slide
control in the direction of the arrow
on the stop symbol (h) to STOP-0.
N Pull the spool up – rotate it about 1/6
turn counterclockwise until it
engages – and allow it to spring
back.
N Pull ends of the lines outward.
Repeat the above procedure as
necessary until both lines are
about 14 cm long.
Rotating the spool from one stop to the
next advances about 4 cm of fresh line.
FS 300, FS 350, FS 400, FS 450, FS 480