Toro Workman 07390 - Using the Differential Lock; Using the Hydraulic Control

UsingtheDifferentialLock
WARNING
Tippingorrollingthemachineonahillcan
causeaseriousinjury.
•Theextratractionavailablewiththe
differentiallockcanbeenoughtogetyou
intodangeroussituationssuchasclimbing
slopesthataretoosteeptoturnaround.
Beextracarefulwhenoperatingwiththe
differentiallockon,especiallyonsteeper
slopes.
•Ifthedifferentiallockisonwhenmakinga
sharpturnatahigherspeedandtheinside
rearwheelliftsofftheground,theremay
bealossofcontrol,whichcouldcausethe
machinetoskid.Usethedifferentiallock
onlyatslowerspeeds.
CAUTION
Turningwiththedifferentiallockoncanresult
inlossofmachinecontrol.Donotoperate
withdifferentiallockonwhenmakingsharp
turnsorathighspeeds.
Thedifferentiallockincreasesthetractionofthe
machinebylockingtherearwheelssothatawheel
doesnotspinout.Thiscanhelpwhenyouhave
heavyloadstohaul,onwetturforslipperyareas,
goinguphills,andonsandysurfaces.Itisimportant
torememberthatthisextratractionisonlyfor
temporary,limiteduse.Itsusedoesnotreplacethe
safeoperationalreadydiscussedconcerningsteep
hillsandheavyloads.
Thedifferentiallockcausestherearwheelstospin
atthesamespeed.Whenusingthedifferentiallock,
yourabilitytomakesharpturnsissomewhatrestricted
andmayscufftheturf.Usethedifferentiallockonly
whenneededandatslowerspeeds.
Note:Machinemotionplusaslightturnisrequiredto
engageordisengagedifferentiallock.
•Pressthedifferential-lockswitchuptolockthe
differential(Figure24).
Note:Thelightinthedifferential-lockswitch
illuminateswhentheswitchisinthelockposition.
•Pressthedifferential-lockswitchuptounlockthe
differential(Figure24).
g025547
Figure24
1.Lockposition
(differential-lockswitch)
2.Unlockposition
(differential-lockswitch)
UsingtheHydraulicControl
Thehydrauliccontrolsupplieshydraulicpowerfrom
themachinepumpwhenevertheengineruns.You
canusethepowerthroughthequickcouplersatthe
rearofthemachine.
WARNING
Hydraulicuidescapingunderpressurecan
havesufcientforcetopenetrateskinand
cancauseseriousinjury.
Usecarewhenconnectingordisconnecting
hydraulicquickcouplers.Shutoffthe
engine,engagetheparkingbrake,lowerthe
attachment,andplacetheremotehydraulic
valveintheoatdetentpositiontorelieve
thehydraulicpressurebeforeconnectingor
disconnectingthequickcouplers.
Important:Ifmultiplemachinesusethe
sameattachment,cross-contaminationofthe
transmissionuidmayoccur.Changethe
transmissionuidmorefrequently.
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