MAINTENANCE
Checking the blades
To achieve the best mowing results it is important that the blades are undamaged and
Check that the blades’ attachment screws are tight.
IMPORTANT INFORMATION
Replacing or sharpening the blades should be conducted by an authorised service workshop.
The blades should be balanced after sharpening.
Damaged blades should be replaced when hitting obstacles that result in a breakdown. Let the servicing dealer judge whether the blade can be repaired/ground or must be discarded.
IMPORTANT INFORMATION
The blades of the BioClip unit should always be spaced as shown in the dia- gram at 90º intervals. If not, the blades may collide and cause damage to the cutting unit.
Replacing the break-pin (BioClip)
The blades are fitted with a
Only use original spare parts. A set containing a blade,
1.Put the unit in the service position, see “Placing in the service position”.
2.Remove the blade (2A) by removing the blade bolt with washer and friction washer (2B).
3.Remove the remains of the broken
4.Make sure the contact surfaces (4) on the blade and the blade mounting are free from metal. Clean if necessary.
5.Fit one new
6.Fit the blade (6), make sure it is fitted as illustrated.
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
34 – English
Cutting unit (rear ejection)
Bio 90
5
3
2A
4
6
4
7
2B
8
