Hydraulic System; Harrow Opening/Closing - breviglieri mekfold 300-500 Manuel D'utilisation Et D'entretien

4.5 HYDRAULIC SYSTEM

After having carried out the preliminary operations in the correct way, i.e. hitched to the three points of the tractor and
engaged the driveline, the pipes of the hydraulic circuit must be connected to the relative hydraulic taps on the tractor in
Fig. 6
MAXIMUM PRESSURE 180 Bar
A. Control cylinders opening/closing harrow
B. Hydraulic closing and opening system
C. Sequence valve
D. Locking valve
E. Speed control
F. Fast Clutch
KEY Fig. 7 (Hydraulic closing and opening harrow , rollers hydraulic adjustment)
MAXIMUM PRESSURE 180 Bar
A. Control cylinders opening/closing harrow
B. Hydraulic closing and opening system
C. Sequence valve
D. Locking valve
E. Speed control
F. Fast Clutch
G. Cylinder roller adjustment
H. Flow separetor
KEY Fig. 8 (Hydraulic closing and opening harrow , rollers hydraulic adjustment, hydraulic floating system)
MAXIMUM PRESSURE 180 Bar
A. Control cylinders opening/closing harrow
B. Hydraulic closing and opening system
C. Sequence valve
D. Locking valve
E. Speed control
F. Fast Clutch
G. Cylinder roller adjustment
H. Flow separetor
I.

4.6 HARROW OPENING/CLOSING

The opening and closing movements of the two harrow units, i.e. opening during the work phase and closing when the machine
is transported on the road, are hydraulically controlled by means of two cylinders (8 Fig. 1).
order to allow the various components of the implement to operate.
Fig. 7
KEY Fig. 6 (Hydraulic closing and opening harrow)
mekfold 300
CAUTION
- 31 -
macchine agricole
Fig. 8