Toro Greensmaster 3120 - Page 111

Steering/LiftCircuitTesting–LoweringCuttingUnitsRelief
ValveTest(continued)
Note:Loweringthecuttingunitsisanelectricallytimedfunctionand
automaticallyturnsoffafterapproximatelysix(6)seconds.Iftherelief
pressurecannotbedeterminedwithinthesix(6)secondtimeframe,repeat
thetestprocedure.
10.Watchpressuregaugecarefullywhilemovingthejoystickcontrollevertothe
LOWERpositionandnotepressurethatreliefvalveopens.Turntheengine
OFFandrecordthetestresults.
Note:Theloweringcuttingunitsreliefvalveisinserieswiththechargerelief
valve.Chargereliefpressurewillaffectthelowercuttingunitsreliefpressure.
11.Theloweringcuttingunitsreliefvalvepressureshouldbeapproximately1724
kPa(250PSI)higherthanthechargereliefpressure(e.g.ifthechargerelief
valvepressureis414kPa(60PSI),theloweringreliefvalvepressureshould
beapproximately2137kPa(310PSI)).
Greensmaster3120
Page4–65
HydraulicSystem:TestingtheHydraulicSystem
17230SLRevC