Operator's Manual

1.23 1.23
Cutterhead Lift System and Steering
Drive Type: Hydraulic
Pump: Hydraulic gear pump with integral relief valve
Delivery Rate: 11 litres per minute (2.9 UK gallons per minute)
Steering: Power beyond hydrostatic steering valve with priority ow to steering and
auxiliary ow to cutterhead lift system. Manual emergency steering.
Cutterhead Lift Control: Mechanical hydraulic
Wing units: Mechanical spring power assistance to lower
Relief Valve: 115 bar (1668 psi)
Weight Transfer: Variable hydraulic applied weight transfer acting on all cutterheads
Hydraulic System
Hydraulic Oil Type: Refer to RECOMMENDED LUBRICANTS AND HYDRAULIC
FLUIDS
Capacity: 77 Litres (17 UK gallons)
Cooling: Forced air nned tube oil cooler
Suction Line Filtration: 125 micron no bypass mesh lter
Return Line Filtration: 10 micron with 2 bar (29 psi) bypass check valve
Transmission Filtration: 10 micron no bypass pressure lter
Maximum Oil
Contamination Level: ISO Code 18/13 or better (ISO 4406)
1300 to 2500 particles / ml < 15 μ
40 to 80 particles / ml > 15 μ
Maximum Oil Temperature: 95 C (203 F)
SPECIFICATIONS