Toro Reelmaster 3100-D - Reel Circuit Testing − Reel Motor Efficiency;Case Drain Test

ReelCircuitTesting−ReelMotorEfciency/CaseDrainTest
Toro # TOR4077
g345040
Figure48
Model03171(shown)
Thereelmotorefciency/casedraintestisthesecondinaseriesoftests
recommendedtocheckcuttingunitcircuitperformance.Overaperiodoftime,
areelmotorcanwearinternally.Thistestmeasurescasedrainvolumewhile
restrictingowacrossthemotorports.Casedrainvolumeunderloadofmore
than9%oftotalmotorowindicatesthegearsandwearplatesinthemotor
haveworn.Awornmotormayby−passhydraulicuidtoitscasedraincausing
themotortobelessefcient.Eventually,enoughuidlosswillcausethereel
motortostallunderheavycuttingconditions.Continuedoperationwithaworn,
inefcientmotorcangenerateexcessiveheat,causedamagetosealsandother
componentsinthehydraulicsystem,andaffectqualityofcut.
Note:Onemethodtondafailingormalfunctioningcuttingunitmotoristohave
anotherpersonobservethemachinewhilemowingindenseturf.Abadmotor
willrunslower,producefewerclippingsandmaycauseadifferentappearance
ontheturf.
SpecialEquipmentRequired:
•FlowMeterwithPressureGaugethathasatleasta45LPM(12GPM)
capacity
•Phototach(non−contacttachometer)
1.Makesurethatthehydraulicuidisatnormaloperatingtemperatureby
operatingthemachineforapproximately10minutes.Makesurethehydraulic
tankisfull.
Reelmaster
®
3100-D/3105-D
Page5–43
HydraulicSystem:Testing
20252SLRevA