English –
53
2
1
2B
3
4
4
6
2A
7
8
5
6012-081
8009-137
6012-082
Removing Blades with Bearings
WARNING!
Use gloves and protective
eyewear when working with the
cutting unit.
• Loosen the spring that tensions the V-belt (1) and
wriggle the belt off.
• Loosen the screw that holds the pulley (2) and
remove the pulley; you may need a puller for this.
Do not lose the key that sits between the pulley
and the axle.
Loosen the screw that holds the blades and remove
screws, washers, and blades.
Replacing the Shear Pin, Mulching Unit
The blades are fitted with a shear pin to protect the
mulching unit and its drive when colliding with
obstacles. A domed, spring friction washer is fitted
to each blade bolt. The washer must always be
replaced with a new washer when replacing the
shear pin. Otherwise the shear pin can break
causing the blades to collide.
Only use original spare parts. A set containing a
blade, shear pin, and friction washer can be
purchased from your dealer.
1. Put the unit in the service position, see Remov-
ing the Cutting unit.
2. Remove the blade (2A) by removing the blade
bolt with washer and friction washer (2B).
3. Remove the remains of the broken shear pin (3).
4. Make sure the contact surfaces (4) on the blade
and the blade mounting are metallically clean.
Clean if necessary.
5. Fit
a
new shear pin (5) in the blade mounting.
6. Fit the blade (6), make sure it is fitted as illus-
trated.
7. Fit a
new
friction washer (7) with the concave
face turned towards the blade.
8. Fit the blade bolt with washer (8). Tightening
torque 45-50 Nm (4.5-5 kpm)
Repair Instructions
Содержание FR 13
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