Service Manual

Rev. J
Greensmaster 3250--D
Hydraulic System (Rev. I)
Page 4 -- 3
Specifications
Item Description
Hydrostatic Transmission (P3) Variable displacement piston pump
Maximum Pump Displacement (per revolution) 1.24 in
3
(20.3 cc)
Charge Pressure 100 to 150 PSI (6.9 to 10.3 bar)
Gear Pump 2 section, positive displacement gear type pump
Front Section (P1) (cutting reels) Displacement (per revolution) 0.55 in
3
(9.0 cc)
Rear Section (P2) (steering/lift) Displacement (per revolution) 0.31 in
3
(5.1 cc)
Wheel Motors (Front) Orbital rotor motor
Wheel Motor (Optional Rear) Orbital rotor motor
Reel Motor Gear motor
Steering Control Valve Distributor valve with rotary meter
Implement (Steering and Lift) Relief Pressure (R5)
Machines with Serial Number Under 220999999 1000 PSI (69.0 bar) over Charge Pressure
Machines with Serial Number Over 230000000 1150 PSI (79.3 bar) over Charge Pressure
Hydraulic Manifold Relief Valves
Mow Circuit (R1) 2400 PSI (166 bar)
Cutting Unit Lower (R2) (Serial Number Under 220999999) 150 PSI (10.3 bar) over Charge Pressure
Cutting Unit Lower (R2) (Serial Number Over 230000000) 400 PSI (27.6 bar) over Charge Pressure
Hydraulic Filter 5 Micron spin--on cartridge type
Hydraulic Oil See Operator’s Manual
Hydraulic Reservoir Reservoir (without leak detector) capacity 5.5 gal. U.S. (20.8 L)
Reservoir (with leak detector) capacity 8.1 gal. U.S. (30.7 L)
Hydraulic
System