Claas DISCO, CORTO, VOLTO, LINER PDF manual

Claas DISCO, CORTO, VOLTO, LINER PDF manual
Claas DISCO, CORTO, VOLTO, LINER Technical Systems, Hydraulic System

Claas DISCO, CORTO, VOLTO, LINER Technical Systems, Hydraulic System. During work, the working pressures of all cylinders are supported by the accumulators 88, 98 and 102. The lock-up valve units are opened at switch 94 below 80 bar. When the pressure rises to above 85 bar, the lock-up valve units are closed and the mower units remain in their position. The ground pressure of the mower units can be seen on pressure gauges 87, 97 and 101.

Electric system JAGUAR 8500C, CISCO 8500C-6, -8
Electric circuit diagram

  • S1 Stop switch
  • S2 Disco fold in/out switch
  • S3 Left Disco raise/lower switch
  • S4 Right Disco raise/lower switch
  • 5 Indicator light, power supply
  • 6 Control box with switches S1, S2, S3 and S4
  • 7 Socket outlet beneath the operator's platform
  • 17 Terminal strip, plus in central terminal compartment
  • (located above the relays)
  • 19 Left terminal strip
  • 19a Right terminal strip
  • 12 Lock-up valve unit 89 and 99 relay
  • 13 Relay for 4/3 way solenoid valve (item 50A)
  • 14 Relay for 4/3 way solenoid valve (item 50B)
  • 15 Relay for lock-up valve unit 109
  • 50 4/3 way solenoid valve for front attachment (series equipment)
  • 50A Solenoid coil (fold out mower units)
  • 50B Solenoid coil (fold in mower unit, raise/lower)
  • 51 Front attachment raise/lower 3/3 way solenoid valve
  • 70 Solenoid coil, fold out right and left Disco
  • 71 Solenoid coil, fold in right and left Disco
  • 72 Solenoid coil, raise/lower centre Disco
  • 73 Left Disco raise/lower solenoid coil
  • 74 Right Disco raise/lower solenoid coil
  • 75 Reed switch (only Jaguar 800 series)

Moving the Disco to working position
Actuate rocker switch 2. Earth is connected via pin 2 of connector 7 to relay 13 on terminal 85 and to the solenoid valves 70 and 71. Relay 13 connects earth to the solenoid valve 50 which goes to switch position A. The mower unit folds out. Upon reaching the end position and 150 bar, the oil pressure switch 95 connects earth to the solenoid valve 72. The front mower unit is lowered via the energized solenoid valve 72.

Moving the Disco to transport position
Actuate rocker switch 2. Earth is connected via pin 1 of connector 7 to relay 14 on terminal 85 and to the solenoid valve 72. Relay 14 connects earth to the solenoid valve 50 which goes to switch position B. The centre mower unit is raised. Upon reaching the end position and 150 bar, the oil pressure switch 93 connects earth to the solenoid valves 70 and 71. The mower units are folded in.

Hydraulic / Electric System JAGUAR 8550C
When the 3/3 way raise front attachment solenoid valve is actuated on the forage harvester, the Reed switch*75 connects earth to relay 15, terminal 85 and relay 12, terminal 85. Relay 15 cuts the current to the lock-up valve unit 109. Relay also cuts the current to the lock-up valve units 89 and 99 (the lockup valve units are closed when deenergized).

When raising is complete, the mower unitsí weight generates a pressure of > 85 bar in the cylinders of the Jaguar front attachment. The oil pressure switch 94 connects earth to relay 12, terminal 85 as long as the pressure in the lift cylinders is > 80 bar. Relay 12 switches and cuts the power supply to the lock-up valve units 89, 99 and 109.

This is necessary to make the mower units remain in their position when lifting is complete on the turning area. When the pressure in cylinders 90 and 100 rises to above 140 bar, the oil pressure switches 96 open briefly. Earth connected to relay 12, terminal 85 drops out and the relay connects the current supply to the lock-up valve units 89 and 99.

The lock-up valve units open and the accumulators receive oil from the ram rod end (from the front attachment cylinders on the Jaguar) so that there is no oil loss and no oil can flow from the system into the tank (pressure relief valve 104).
On the Jaguar 800, the Reed switch connects earth.
On the Jaguar 600, earth is supplied directly from the 3/3 way Raise solenoid valve.