Toro 08743 - Page 113

TestProcedure(continued)
12.MovethethrottletolowspeedpositionandsetthekeyswitchtotheOFF
position.
13.Theunderloadtestowreading(step10)shouldnotdropmorethan20%
(3.8LPM(1GPM))whencomparedtothenoloadtestowreading(step9).
Adifferenceinowofmorethan20%(UnderLoad>NoLoadX0.8)may
indicate:
A.Arestrictioninthepumpinletline.
B.Theimplement/chargepumpiswornandshouldbereplacedorrepaired;
refertoPiston(traction)Pump(page5–70)orServicingthePiston
(traction)Pump(page5–74).
14.Thecircuitreliefvalvepressureshouldbe4825to5500kPa(700to800PSI).
Ifthereliefpressurecannotbemetorisgreaterthanspecied,theliftrelief
valve(model08743)orsteeringcontrolvalve(model08745)isdamagedand
shouldberepairedorreplaced;refertoRearLiftReliefManifold(Model
08743)(page5–85)orSteeringControlValve(Model08745)(page5–99)
andServicingtheSteeringControlValve(Model08745)(page5–101).
15.Aftertesting:
A.Removethehydraulictesthose(s)andtester.
B.Connectthehydraulichosepreviouslyremoved.
C.Checkandadjustthelevelofthehydraulicuidinthehydraulicreservoir;
refertothetractionunitOperator’sManual.
D.Starttheengineandcheckforanyhydraulicuidleaks.Repairhydraulic
leaksifnecessarybeforereturningthemachinetoservice.
SandPro
®
3040and5040
Page5–43
HydraulicSystem:TestingtheHydraulicSystem
20251SLRevA