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Allison Transmission 3500 SP User Manual

Allison Transmission 3500 SP
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Table4–1.DESCRIPTIONOFAVAILABLERANGES(cont'd)
DescriptionofAvailableRanges(refertoFigure4–1)
RorR2
Completelystopthevehicleandlettheenginereturntoidle
beforeshiftingfromaforwardrangetoR(Reverse)orR2and
fromR(Reverse)orR2toaforwardrange.Thekeypadpush
buttonandbump-shiftleverselectordisplaysshowRwhenR
(Reverse)isselected,exceptforsome4700/4800modelsthat
havetheoptionalfeature"2ndReverse"allowingtworeverse
ranges.ThesemodelsshowR2intheselectordisplaywhen
standardreverse(4.80mechanicalratio)isselected.Astrip
pushbuttonshiftselectorilluminatesalightintheupperright
corneroftheRbuttonafterR(Reverse)isselected.
R1
Thisoptionalfeaturefor4700/4800,andOFSmodelsprovides
adeepreversegear(17.12ratio).Referto3.12USING2
ND
REVERSE(4700/4800ONLY)foradditionalinformation.
WARNING:Whenstartingtheengine,makesuretheservice
brakesareapplied.Failuretoapplytheservicebrakescan
resultinunexpectedvehiclemovement.
WARNING:Thevehicleservicebrakes,parkingbrake,or
emergencybrakemustbeappliedwheneverN(Neutral)is
selectedtopreventunexpectedvehiclemovement.SelectingN
(Neutral)doesnotapplythevehiclebrakesunlessanauxiliary
systemtoapplytheparkingbrakeisinstalledbytheOEM.
WARNING:IfyouletthevehiclecoastinN(Neutral),thereis
noenginebrakingandyoucouldlosecontrol.Coastingcan
alsocauseseveretransmissiondamage.Tohelpavoidinjury
andpropertydamage,donotallowthevehicletocoastinN
(Neutral).
N
UseN(Neutral)whenstartingtheenginetocheckvehicle
accessoriesandforextendedperiodsofengineidleoperation
(longerthanveminutes).Forvehiclesequippedwiththe
keypadpushbuttonorstrippushbuttonselector,N(Neutral)
isselectedbytheTCMduringstart-up.Forvehiclesequipped
withthebump-shiftleverselector,thevehiclewillnotstart
unlessN(Neutral)hasbeenselected.Ifthevehiclestartsin
anyrangeotherthanN(Neutral),seekserviceimmediately.N
(Neutral)isalsousedduringstationaryoperationofthePower
Takeoff(PTO)(ifthevehicleisequippedwithaPTO).The
digitaldisplayshowsNwhenN(Neutral)isselected.Always
selectN(Neutral)beforeturningoffthevehicleengine.
54

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Allison Transmission 3500 SP Specifications

General IconGeneral
BrandAllison Transmission
Model3500 SP
CategoryController
LanguageEnglish

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