Toro Groundsmaster 4300-D - Adjustment and Belt Maintenance; Adjusting Parking-Brake Latch; Servicing Alternator Belt

Specications
HydraulicSystem
ItemDescription
Piston(traction)pump
Maximumpumpdisplacement(per
revolution)
Sauer-Danfoss,LPVclosedcircuitaxial
pistondesign
35cm³(2.14in³)
Gearpump
SectionP1displacement(perrevolution)
SectionP2displacement(perrevolution)
SectionP3displacement(perrevolution)
SectionP4displacement(perrevolution)
Casappa4-section,positivedisplacement
geartypepump
16.84cm³(1.03in³)
16.84cm³(1.03in³)
6.1cm³(0.37in³)
3.9cm³(0.24in³)
Chargecircuitrelief(R5)pressure1,400kPa(200psi)
Tractioncircuitreliefpressure
Forward(R3)
Reverse(R4)
25,000kPa(3,625psi)
25,000kPa(3,625psi)
Bi-directionalreliefvalvepressure2,758kPa(400psi)
Frontwheelmotors
Displacement(perrevolution)
Eatonhydraulic
395cm³(24.1in³)
Rearwheelmotors
Displacement(perrevolution)
ParkerHannin
310cm³(18.9in³)
Mowcircuitreliefpressure
Rearmowcircuit(PRV1at1.2A)
Frontmowcircuit(PRV2at0.8A)
17,500kPa(2,500psi)
24,100kPa(3,500psi)
Cuttingdeckmotor
Displacement(perrevolution)
Crossoverreliefvalvepressure
Casappagearmotor
17.16cm³(1.05in³)
12,500kPa(1,813psi)
Steeringvalve
Displacement(perrevolution)
Sauer-Danfosssteeringunit,typeOSPMS
100cm³(6.1in³)
Steeringcircuitrelief(R10)pressure6,900kPa(1,000psi)
Liftcircuitrelief(PRVat0.87A)pressure13,800kPa(2,000psi)
R12andR13reliefpressure2,760kPa(400psi)
Hydrauliclter(chargeandsteeringcircuits)Spin-oncartridgetypewith340kPa(50
psi)reliefinadapter
Hydrauliclter(mowandliftcircuits)Spin-oncartridgetypewith340kPa(50
psi)reliefinadapter(lteradapterincludes
lterchangeindicator)
HydraulicuidRefertotheOperator'sManual
Hydraulicreservoircapacity
45L(12USgallons)
Groundsmaster
®
4300-D
Page4–3
HydraulicSystem:Specications
16226SLRevC