Toro reelmaster 5410 series - Page 223

Thewheelmotorefciencyisthesecondinaseriesoftestsrecommendedto
determinethetractioncircuitperformance.Hydraulicuidowof5.7L/minute
(1.5gallons/minute)ormorethroughasinglestationaryfrontwheelmotor
underloadindicatesaninternalleakinthewheelmotor.Hydraulicuidowof
4.5L/minute(1.2gallons/minute)ormorethroughasinglestationaryrear
wheelmotorunderloadindicatesaninternalleakinthewheelmotor.Aworn
wheelmotorislessefcient.Eventually,enoughuidbypasswillcausethe
wheelmotortostallunderheavyloadconditions.Continuedoperationcan
generateexcessiveheat,causedamagetothesealsandothercomponentsin
thehydraulicsystem,andaffectoverallmachineperformance.
Therearemomentsduringwheelmotoroperation(gerollerposition)whenuid
owthroughthemotorislessrestricted.Ifawheelmotoristestedinthisposition,
thetestresultswillbehigherandshouldnotbeusedtodeterminewheelmotor
efciency.Testthewheelmotorsin3differentwheelpositionstoobtainaccurate
testresults.Recordthetestreadingsforallthe3wheelpositions.Intheforward
direction,hydraulicuidowsthroughbothfrontwheelmotors(inparallel)before
passingthroughtherearwheelmotorontheoppositesideofthemachine.In
thereversedirection,hydraulicowbypassestherearwheelmotors.Startby
testingthefrontwheelmotorscombined,thentestthefrontwheelorrearwheel
motorsindividuallyasnecessary.
SpecialEquipmentRequired:
•Pressuregauge
•Flowmeterwithpressuregaugethathasatleasta68L/minute(18
gallons/minute)capacity
IMPORTANT
RefertoTractionCircuitComponentFailure(page6–9)for
informationregardingtheimportanceofremovingcontamination
fromthetractioncircuit.
1.Parkthemachineonalevelsurfacewiththereelengageswitchoff,lowerthe
cuttingunits,shutofftheengine,andsettheparkingbrake.
2.ReadallWarning,Cautions,andprecautionslistedatthebeginningofthis
section.
3.EnsurethatthetractionpedaliscorrectlyadjustedfortheNEUTRALposition;
refertotheOperator’sManual.
4.Attachaheavychaintotherearofthemachineframeandanimmovable
objecttopreventthemachinefrommovingduringtesting.
TestingtheFrontWheelMotor
Hydraulicuidowsthroughbothfrontwheelmotors(inparallel)beforepassing
throughtherearwheelmotor(inseries).Toaccuratelytestthefrontwheel
motors,therearwheelmotormustberemovedfromthetractioncircuit.
1.Warmoilaftertestequipmentisconnectedtopreventtechnicianfrom
workingonahotmachine—applicabletotestswhenpossible(anytestthat
requiresanopenun-pluged/cappedline(casedraintests)wouldnotapply
andoilshouldbewarmedbeforedisconnectingthelines).
Reelmaster
®
5410/5510/5610Series
Page6–105
HydraulicSystem:TestingtheHydraulicSystem
15216SLRevC