Toro Reelmaster 3100-D - Page 107

TractionCircuitTesting−ChargePressureTest(continued)
13.RecordreadingonpressuregaugefromthemowermanifoldCHDport.
Chargepressure(withoutload)shouldreadfrom10.3to13.8Bar(150to200
PSI).Ifchargereliefpressurespecicationisnotmet,considerthefollowing:
A.Gearpump(P2)isfaulty(steering/liftcircuitperformancewillalsobe
affected).T estgearpump(P2)ow(refertoSteering/Lift/Sidewinder
CircuitT esting−GearPump(P2)FlowT est(page5–55)).
B.Thepistonpumpchargereliefvalveisfaulty.Repairorreplacethepiston
pumpchargereliefvalve(seePistonPump/HydrostatService(page
5–84)).
14.Sitintheoperator’sseat,releasetheparkingbrake,andslowlydepressthe
forwardtractionpedaluntil68.9to103.4Bar(1000to1500PSI)isreached
ontheowmeterpressuregauge.
15.RecordreadingonpressuregaugefrommowermanifoldCHDport(under
load).Chargepressure(underload)shouldnotdropmorethan20%when
comparedtochargepressure(withoutload)recordedinstep13.
Ifspecicationsarenotmet,performTractionCircuitTesting−Piston
Pump/Hydrostat(P3)FlowandReliefPressureT est(page5–37).
16.Releasetractionpedal,movethrottletolowspeedandturntheengineoff.
Reelmaster
®
3100-D/3105-D
Page5–31
HydraulicSystem:Testing
20252SLRevA