FS 120, FS 120 R, FS 250
English
37
Balancing
N After resharpening about 5 times,
check the cutting attachment for
out-of-balance on a STIHL balancer
– see “Special Accessories” – or
have it checked by a dealer and re-
balanced as necessary – STIHL
recommends a STIHL servicing
dealer.
Placing power tool on the ground
N Shut off the engine.
N Lay your power tool on its back so
that the cutting attachment
mounting face is pointing up.
Replacing Nylon Line
Always check the mowing head for signs
of wear before replacing the nylon line.
WARNING
If there are signs of serious wear,
replace the complete mowing head.
The nylon mowing line is referred to as
"nylon line" or "line" in the following.
The mowing head is supplied with
illustrated instructions for replacing the
nylon line. Keep the instructions for the
mowing head in a safe place.
N If necessary, remove the mowing
head.
Adjusting Nylon Line
STIHL SuperCut
Fresh line is advanced automatically if
the remaining line is at least 6 cm
(2 1/2 in) long. The blade on the
deflector trims overlong lines to the
correct length.
STIHL AutoCut
N With the engine running, 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.
Fresh line is advanced every time the
mowing head is tapped on the ground.
For this reason observe the mowing
head's cutting performance during
operation. If the mowing head is tapped
on the ground too often, the line limiter
blade will unnecessarily cut off unused
lengths of nylon line.
Line feed operates only if both lines are
still at least 2.5cm(1in) long.
STIHL TrimCut
WARNING
To reduce the risk of injury, always shut
off the engine before adjusting the nylon
line by hand.
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.
Maintaining the Mowing
Head
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