Toro Groundsmaster 4100-D 30411 - Adjusting the Cutting Unit Flow Control

Figure74
1.TestportE
TestPortF(Figure75),locatedundertheseat,isused
tomeasuretheliftcircuitpressure.
TestPortG(Figure75),locatedundertheseat,isused
tomeasurethechargecircuitpressure.
Figure75
1.TestportF
2.TestportG
TestPortH(Figure76)isusedtomeasurethefront
cuttingunitcircuitpressure.
TestPortJ(Figure76)isusedtomeasurethesteering
circuitpressure.
Figure76
1.TestportI2.TestportH
Thecounterbalancetestport(Figure77)isused
toadjustthepressureinthecounterbalancecircuit.
Recommendedcounterbalancepressureis470psi(3241
kPa).Toadjustthecounterbalancepressure,rotatethe
adjustingscrew(Figure77)clockwisetoincreasethe
pressureorcounterclockwisetodecreasethepressure.
Figure77
1.Counterbalancetestport2.Counterbalanceadjusting
screw
AdjustingtheCuttingUnit
FlowControl
Theowcontrolvalve(Figure78)isusedtoadjustthe
rateatwhichthecuttingunitlowers.
Figure78
1.Flowcontrolvalve
51