EN
23
0478 201 8313 B - EN
● Lock blade disc (5). (Ö 11.4)
● Loosen bolt (1) using combination
spanner (V).
● Remove bolt (1), retaining washer (2),
clamping ring (3), wing blade (4), wing
blade (6, only with GHE 250) and blade
disc (5).
● Remove the reversible blade. (Ö 11.8)
● GHE 250: Unscrew bolts (7) and
remove together with nuts (9). Remove
shredding blades (8) downwards.
11.6 Installing the blade set
● Install the reversible blade on the blade
disc. (Ö 11.8)
● GHE 250: Position shredding
blades (8) on the underside of blade
disc (5) and tighten using nuts (9) and
bolts (7) (10 Nm).
● Insert blade disc (5) in the housing and
lock. (Ö 11.4)
● Install wing blade (6, only on GHE 250),
wing blade (4), clamping ring (3) and
retaining washer (2) and tighten using
bolt (1) (50 Nm).
● Fold the locking device back so that the
blade disc can turn freely again.
(Ö 11.4)
● Install the feed chute. (Ö 11.2)
11.7 Blade maintenance
Maintenance interval:
Before each use
● Remove the feed chute. (Ö 11.3)
● Lock the blade disc. (Ö 11.4)
● Check the blades for damage (notches
or cracks) and wear; reverse or replace
if necessary.
Wear limits of the blades:
1 Reversible blade
● On the blades, measure the
distance (A) between the bore to the
edge of the blade at several points.
Minimum clearance:
A=6mm
The installation sequence and
specified tightening torque must be
observed.
Risk of injury!
Always wear thick
gloves!
The blades must be reversed or
replaced before the specified wear
limits are reached. STIHL
recommends STIHL specialist
dealers.
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