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Allison Transmission B3400 xFE User Manual

Allison Transmission B3400 xFE
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LISTOFWARNINGS(cont'd)
Thismanualcontainsthefollowingwarnings—
ITISYOURRESPONSIBILITYTOBEFAMILIARWITHALLOFTHEM.
D(Drive)maynotbeattainedduetoanactiveinhibitor.
AlwaysapplytheservicebrakeswhenselectingD(Drive)to
preventunexpectedvehiclemovementandbecauseaservice
inhibitmaybepresent.Whentheselectedrangeisashing,
itindicatestheshifttoD(Drive)isinhibited.Determineif
diagnosticcodesareactiveifD(Drive)isnotattained.Refer
to7.5SELECTORDISPLAYDESCRIPTIONSFORACTIVE
DIAGNOSTICTROUBLECODES(DTCs)ANDINHIBITS.
Toavoidlossofcontrol,useacombinationofdownshifting,
braking,andotherretardingdevices.Downshiftingtoalower
transmissionrangeincreasesenginebrakingandcanhelp
youmaintaincontrol.Thetransmissionhasafeatureto
preventautomaticupshiftingabovethelowerrangeselected.
However,duringdownhilloperation,ifenginegovernedspeed
isexceededinthelowerrange,thetransmissionwillupshift
tothenexthigherrangetopreventenginedamage.Thiswill
reduceenginebrakingandcouldcausealossofcontrol.
Applythevehiclebrakesorotherretardingdevicetoprevent
exceedingenginegovernedspeedinthelowerrangeselected.
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Allison Transmission B3400 xFE Specifications

General IconGeneral
BrandAllison Transmission
ModelB3400 xFE
CategoryController
LanguageEnglish

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