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It is only permitted to clean the machine in
the position shown.
● Remove the feed chute. (
Remove dirt from the cooling air guide
(inlet slots) on the motor housing to ensure
that the motor is adequately cooled.
Never spray water onto
motor or engine components,
seals, bearing points or
electrical parts such as
switches. This would result in
expensive repairs.
If you are unable to remove
the dirt and accumulated
deposits with a brush, a damp
cloth or a stick, STIHL
recommends the use of a
special cleaner (e.g. STIHL special
cleaner).
Do not use aggressive cleaning agents.
Clean the blade discs regularly.
11.2 Removing the feed chute
● Loosen both closure screws (1)
until they turn freely. The screws
are captive and remain in the feed
chute.
● Pivot the feed chute (2) to the rear and
remove.
11.3 Installing the feed chute
● Attach feed chute (1) to fastening
hooks on basic unit (2) and pivot
forwards.
● Tighten both closure screws (3)
simultaneously.
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11.4 Locking the blade disc
11.2)
The locking device must always be
tilted back and secured with the
bolt after installation of the blade
disc and before operating the
machine again (see illustration).
● Remove the feed chute. (
● Loosen the screw (1).
● Turn the blade disc until the recess is
located in front of the locking device (2).
● Insert the locking device (2) in the
recess.
● Tighten the screw slightly (1).
11.5 Blade maintenance
Maintenance interval:
Before each use
● Remove the feed chute. (
● Lock the blade disc. (
● Check the blades for damage (notches
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or cracks) and wear; reverse or replace
if necessary.
Wear limits of the blades:
The blades must be reversed or
replaced before the specified wear
limits are reached. STIHL
recommends STIHL specialist
dealers.
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1 Reversible blade
● On the blades, measure the
distance (A) between the bore to the
edge of the blade at several points.
Minimum distance 6 mm
2 Wing blade
● Measure the blade width (B) at the
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upward-pointing curved edge of the
wing blade.
Minimum blade width 18 mm
Removing the blade set:
● Lock the blade disc. (
11.2)
● Loosen the screw (1).
● Remove the screw (1), wing blade (2)
and blade disc (3).
Installing the blade set:
● Insert the blade disc (3) and fasten.
(
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● Fit the wing blade (2) and fasten the
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screw (1) (25 Nm).
11.2)
● Push back the locking device and
11.4)
fasten with the screw, so that the blade
disc can turn freely again. (
Reversing the blades:
● Remove the blade disc, then loosen
screws (4) and remove together with
nuts (5).
● Lift off blade (6).
● Clean the blade disc.
11.4)
The specified tightening torque
must always be observed, as the
secure attachment of the cutting
tool depends upon it.
11.4)
Blunt shredding blades result in
deteriorating shredder
performance. A blunt reversible
blades can therefore be reversed
once.
0478 201 9915 C - EN
11.4)
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