KUHN GMD883, Operators Manual And Installation Manual, Page: 55 / 88

Instructions for work
Disc mower
GMD883
53
Reduced or increased ground pressure
Place the machine in working position:
- Energize control box using ON/OFF switch.
Adjust left mowing unit suspension:
- Shut-off valve of right mowing unit suspension
system.
- Place central switch in position (a)
.
- Maintain switch (1) in position (b).
- Activate tractor hydraulic outlet associated with the
control box.
The following adjustments do not cause the
machine to move.
The direction of operation of different functions
may be inverted depending upon the way the
hydraulic hoses have been connected to the
tractor outlet.
The suspension of the 2 mowing units is
adjusted separately.
Check that suspension circuit valve of left
mowing unit is opened.