Issue 9 February 2006
53
7.12 Hydraulic system
Transmission
- Closed centre hydrostatic drive with servo controlled variable output swash plate pump.
- Ge-roller wheel motors (4 wheel drive).
Auxiliaries
- Gear type auxiliary pump with pressure compensated variable flow control for suction and brush
motors.
Solenoid valve control of hydraulic cylinders.
Steering
– gear type pump driven off engine fuel-pump drive with hydrostatic steering unit incorporating
cylinder protection valves.
Oil Type –
Turbo Diesel Engine Oil 15W40 Grade API CF/ACEA 2.
7.13 Pressure Washer - Option
Type –
Hydraulically driven high pressure piston pump. The gear type hydraulic motor is connected to the
525’s auxiliary hydraulic system via a solenoid operated valve.
Water Flow –
13 l/min
Max. Water Pressure
– 90 Bar
Reservoir Capacity
– The pressure washer draws its water from the 525’s dust suppression water
reservoirs. With full reservoirs a wash period of 10 minutes can be sustained.
Water Pump Lubrication
– Turbo Diesel Engine Oil 15W40 Grade API CF/ACEA 2.
DEA (CSA) – Option
Type
– Hydraulically driven high vacuum side channel vacuum pump. The gear type hydraulic motor is
connected to the 525’s auxiliary hydraulic system via a solenoid operated valve.
Vacuum
– 200 mbar
Flow
– 200 litres/s
Water System –
The DEA lance draws its water from the 525’s dust suppression water system.
7.15 Vibrations
The operating controls and whole body vibration levels comply with the Machinery Safety Directive 98/37/EC.
Hand/Arm vibration is below 2.5m/s
2
and whole body vibration is below 0.5m/s
2
.