June 2004 - 9507EI/5
1-24
2 to 9 Tonne Dumper Instruction Manual
Hydraulic System
2 to 6 Tonne Swing Hydraulic Circuit
Orbitrol
From Pump
To
Pump
Slew Ram
Slew Ram
Steering Ram
Hydraulic Tank
Skip Ram
Control Valve
Hydraulic
Oil Cooler
- if fitted
5, 6, 7 and 9 Tonne Straight Hydraulic Circuit
Orbitrol
Control Valve
Skip Ram
Skip Ram
Steering Ram
Hydraulic
Tank
Hydraulic
Oil Cooler
- if fitted
From
Pump
To
Pump
Swing Skips
The control valve, operated by a lever adjacent to the drivers seat,
controls the lifting, lowering and slewing of the dumper skip.
The skip can be elevated at varying speeds dependent on engine
speed, and it can be stopped at any intermediate point for
discharging of partial loads.
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