20 – English
ADJUSTMENTS
6 Re-tighten the two hex nuts on the cog idler pulley
and the belt is now adjusted correctly.
7. To re-install the cutting pan - reverse the procedure.
Note: It is possible but not desirable to adjust the cog
belt tension without removing the cutting pan assembly
form the tractor. In this case follow step 2 through 8
from the above procedures.
DANGER
This cog belt must be properly adjusted. If not, the
blades can contact and the belt will be destroyed and
the cutting system will be damaged.
Fig. 33
DANGER
On impact with any hard objects, the blade shear bolts
will break and the cog belt will be damaged!
The cog belt must be inspected.
Be careful!
The two blades must be positioned 90 degrees to each
other.
Replacement:
Use always genuine parts.
Fig. 34
TORQUE SPECIFICATIONS
Cutting system:
Mower cog belt See Fig 33
Blade bolt LH 50 Nm
Blade bolt RH 50 Nm
Housing bolts M8x30 32 Nm
Self locking nut M12
(Pulley) 65 Nm
Hexagon socket screw
M8x25 (Idler arm) 25 Nm
Steering tooth gear fasteners:
Screw M8x20 25 Nm
Lock nut M12 80 Nm
Engine-transmission drive:
Exhaust screws 16 Nm
Crank shaft bolt 108 Nm
Screw M10x40
(Idler pulles) 40 Nm
Self-locking nut M8 15-20 Nm
(Idler arm)
ADJUSTMENT PROCEDURES FOR THE
HEIGHT ADJUSTMENT CABLE ASSY
1. Place the tractor on a flat surface, concrete, if
possible.
2. Move the lower pin of the front adjustment suspen-
sion into the bottom position of the slotted holes by
adjusting the two nuts M12 on the front suspension.
3. Using the height adjustment lever, lift the cutting pan
to the mid-position.
4. Insert a 6 mm thick board under the rear cutting pan
gauge wheels.
5. Let the cutting pan down until the rear gauge wheels
rest on the board.
6. Position the height adjustment lever to position 1.
7. Keep adjustment self-locking nut 5/16-18 at the end
of the height adjustment cable assyuntil the cable is
slightly tight only.
8. Lift the cutting pan and take out the board.
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