Service manual

Groundsmaster 3280--D/3320Hydraulic System Page 5 -- 2
Specifications
Item Description
Hydrostatic Transmission Sauer Danfoss (Sundstrand),
U--type, Axial Piston Design, Model Series 15
Pump Maximum Displacement (per revolution) .9 Cubic Inches (15 cc)
Motor Displacement (per revolution) .9 Cubic Inches (15 cc)
Charge Pump GerotorPumpinHydrostat
Displacement (per revolution) .3 Cubic Inches (4.9 cc)
Implement (Lift/Steering) Relief Pressure 700 to 1000 PSI (48.2 to 69.0 Bar)
Steering Valve Sauer Danfoss Steering Unit, Type OSPM
Lift Control Valve Spool Type Directional Control Valve
with Adjustable Counterbalance Valve
Counterbalance Pressure See Traction Unit Operator’s Manual
Hydraulic Filter 25 Micron Spin--on Cartridge Type
Hydraulic Oil See Traction Unit Operator ’s Manual
Hydraulic Reservoir (Front Axle) Capacity 6 Qts. U.S. (5.7 L)