Putting to operation
96
Cirrus 3/4/6000 DB2034 08.04
7.1.1.1 Creating hydraulic connections
Creating hydraulic connections:
- (Fig. 141) and (Fig. 142) show the writing on the
hydraulic hose lines, the required tractor control
spool valves and the hydraulic machine functions
related to every control unit.
Fig. 141
Hydraulic
hose
(Fig. 141)
Connection on the
tractor control unit
Execution of the
tractor control spool valve
Hydraulic
functions on the machine
1(+)
Control unit 1
flow
1(-)
Control unit 1
return flow
double acting control spool
valve
- Folding down the machine wing
- Adjustment of disc gangs
- Adjustment of wheel mark eradica-
tors
- Adjustment of extra coverage
following harrow pressure.
2(+)
Control unit 2
flow
2(-)
Control unit 2
return flow
double acting control spool
valve
- Machine lifting / lowering
- Starwheel lowering / lifting
- Track marker lowering / lifting
- Coulter frame lowering / lifting.
Fig. 142
Hint!
During operation the control unit 2 is actuated more than all other control units.
Connect the joints of the control unit 2 to a control spool valve which can easily
be reached in the tractor cab.