Instructions for work
Disc mower
GMD3510-FF
43
Pressure adjustment
Increase pressure in the hydro-pneumatic
accumulator:
- Place the machine in working position.
- Open the hydraulic valve using the 18 box spanner
supplied with the machine (Position (1)).
- Activate the transport/work cylinder control valve in
the "pivot into work" position.
- Check the pressure increase indication on the gauge.
- When the required pressure is reached, close the
valve (Position (2)).
Reduce pressure in the hydro-pneumatic
accumulator:
- Stop the tractor engine.
- Open the valve using 18 box spanner supplied with
the machine (Position (1)).
- Activate the transport/work cylinder control valve in
the "pivot into transport" position.
- Check the pressure decrease indication on the gauge.
- When the required pressure is reached, close the
valve.
The following adjustments do not cause the
machine to move.
Position (1): Circuit open (adjustment).
Position (2): Circuit closed (work and transport)
The valve must only be in open position for
pressure adjustments.
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