KUHN GMD800GII-FF, Operator'S Manual

Page: 43 / 88

Instructions for work
Disc mower
GMD800GII-FF
41
„
Compensating spring tension
In difficult working conditions, the compensating spring
adjustment can be modified.
- Place the machine in working position.
- Lift mowing unit to release tension on the spring.
- Loosen counter nut (2).
- Rotate spring (1) to modify the mowing unit
suspension:
• Reduce measure (X) to increase the suspension.
• Increase measure (X) to reduce suspension.
- Tighten counter nut (2).
3. Machine use
Before the machine engages the crop:
- Engage the tractor PTO and slowly increase the
speed up to 540 min
-1
.
The mowing unit is suspensed by means of
compensating spring (1).
The measure (X) is factory set at 90 mm (3.5").
Before mowing and to reduce risks of
projections, lower the front guard.
Keep all persons and animals away from the
machine danger zone.
Never lean or step on the protection cover.
At work, the tractor hydraulic valve must
always be in floating position to ensure good
ground contour adaptation.