Toro Groundsmaster 4300-D - Servicing the Piston (Traction) Pump

ServicingthePiston(Traction)Pump
g193295
Figure88
1.Seal
13.Trunnioncover25.Plug
37.O-ring
2.O-ring(2each)14.Screw(4each)26.Spring
38.Endcap
3.Bearing(2each)15.Cylinderblockkit27.Loopushingspool
39.Needlebearing
4.Tractionpumphousing16.Valveplate
28.O-ring
40.Endcapgasket
5.Plug(2each)17.Slottedpin
29.Bypassvalve
41.Spring
6.O-ring(2each)
18.Neutralreturnpivot
30.Sealkit
42.Thrustplate
7.Auxiliaryshaft
19.Neutralreturnarm
31.Coupling43.Swashplate
8.Retainingring(2each)20.Pin(2each)32.Screw(4each)
44.Sealnut
9.Ballbearing21.Bearing
33.Chargereliefpoppet
45.Trunnioncover
10.Retainingring(2each)
22.Retainingring
34.Spring46.Screw(4each)
11.Backupwasher
23.Sealkit(2each)35.Shimkit
12.Seal24.Reliefvalve(2each)36.Chargereliefplug
Note:Forthepiston(traction)pumprepairinformation;refertothe
Sauer-DanfossLPVClosedCircuitAxialPistonPumpsRepairManualand
ServiceInstructionsattheendofthischapter.
IMPORTANT
Ifapiston(traction)pumpfailureoccurs,refertoTractionCircuit
ComponentFailure(page4–7)forinformationregardingthe
importanceofremovingcontaminationfromthetractioncircuit.
HydraulicSystem:ServiceandRepairs
Page4–106
Groundsmaster
®
4300-D
16226SLRevC