Toro Groundsmaster 4500-D Series - Page 171

ProcedureforDeckMotorCaseDrainLeakageTest
Note:Overaperiodoftime,adeckmotorcanwearinternally.Awornmotor
maybypassoiltoitscasedraincausingthemotortobelessefcient.Eventually,
enoughoillosswillcausethedeckmotortostallunderheavycuttingconditions.
Continuedoperationwithaworn,inefcientmotorcangenerateexcessiveheat,
causedamagetosealsandothercomponentsinthehydraulicsystemandaffect
qualityofcut.
Note:Onemethodtondafailingormalfunctioningdeckmotoristohave
anotherpersonobservethemachinewhilemowingindenseturf.Abadmotor
willrunslower,producefewerclippingsandmaycauseadifferentappearance
ontheturf.
CAUTION
Preventpersonalinjuryand/ordamagetoequipment.Readall
WARNINGS,CAUTIONSandPrecautionsforHydraulicTestingatthe
beginningofthissection.
1.Makesurehydraulicoilisatnormaloperatingtemperaturebyoperating
themachineforapproximatelyten(10)minutes.Makesurethehydraulic
reservoirisfull.
2.Parkmachineonalevelsurfacewiththecuttingdecksloweredandoff.Make
sureengineisoffandtheparkingbrakeisengaged.
Note:Thedeckmotorsareconnectedinseries.Toisolateafaultymotor,all
motorsinthecircuitmayhavetobetestedbystartingwiththerstmotorin
thecircuit(seeAppendixA(pageA–1)).
#4 Deck #1 Deck #5 Deck
#7 Deck
(GM4700)
#6 Deck
(GM4700)
#3
Deck
#2
Deck
g308386
Figure80
CUTTINGDECKLOCATIONS
Groundsmaster
®
4500-D/4700-D
Page5–69
HydraulicSystem:Testing
19245SLRevA