Inspection And Maintenance By User; Stihl Durocut; Stihl Polycut - Stihl FS 94 Instruction Manual

English
on the ground too often, the line limiting blade
will unnecessarily cut off unused lengths of nylon
line.
Line feed operates only if both lines are still at
least 2.5 cm (1 in) long.
23.4 Replacing Nylon Line

STIHL PolyCut

Precut lengths of nylon line can be fitted to the
PolyCut in place of the cutting blades.
STIHL DuroCut, STIHL FixCut 31-2, STIHL Poly‐
Cut
WARNING
To reduce the risk of injury, always shut off the
engine before refilling the mowing head.
► Fit precut lengths of nylon line in the mowing
head as described in the instructions supplied.
23.5 Replacing Cutting Blades
23.5.1 STIHL PolyCut
Always check the mowing head for signs of wear
before installing new cutting blades.
WARNING
If there are signs of serious wear, replace the
complete mowing head.
The thermoplastic cutting blades are referred to
as "blades" in the following.
The mowing head is supplied with illustrated
instructions for replacing the blades. Keep the
instructions for the mowing head in a safe place.
WARNING
To reduce the risk of injury, always shut off the
engine before installing the blades.
► Remove the mowing head.
► Replace blades as shown in the illustrated
instructions.
► Mount the mowing head on the machine.
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24 Inspection and Maintenance by User

24 Inspection and Mainte‐
nance by User
24.1 Throttle Cable
24.1.1 Checking adjustment of throttle cable
Error: Engine speed increases when only the
throttle trigger is depressed.
► Start the engine.
► Depress the throttle trigger (1) – do not press
down the throttle trigger lockout (2).
If the engine speed increases or if the cutting
attachment rotates, the throttle cable has to be
adjusted.
► Shut off the engine.
► Have throttle cable adjusted by your dealer.
STIHL recommends an authorized STIHL
servicing dealer.
24.2 Spark arresting screen in muf‐
fler
WARNING
To reduce the risk of fire caused by hot particles
escaping from the machine, never operate the
machine without a spark arresting screen, or with
the spark arresting screen damaged. Do not
modify the muffler or spark arresting screen.
NOTICE
According to the law or regulations in some
countries or federal states, certain operations
may only be carried out if a properly serviced
spark arresting screen is provided.
If the engine is down on power, check the spark
arresting screen in the muffler.
► Wait for the muffler to cool down
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