Allison Transmission T 270 User Manual

HEALTHLO”isdisplayed.Anacceptableclutchlifestatusisdisplayedas
“TRANSHEALTHOK”.Anunacceptableclutchlifestatusisdisplayedas
“TRANSHEALTHLO”.
DTCP2789,TransmissionClutchLifeExpired(ClutchAdaptiveLearningat
Limit),setsifmultiplewarningshaveoccurredduetotheTMactivelydetecting
issueswiththeclutchsystemandilluminatingtheCHECKTRANSlight.
5.9.8.2READANDRESETTMFROMSELECTOR
ReadTM.Withengineoffandignitionon,pushtheDISPLAY
MODE/DIAGNOSTIC(DMD)buttonfourtimesonthebump-shiftlever
selectortoenterTMmode.Withengineoffandignitionon,pushthe↑
(Upshift)and↓(Downshift)arrowssimultaneouslyfourtimesonthekeypad
pushbuttonselectortoenterTMmode.
Themessage“TRANSHEALTHOK”or“TRANSHEALTHLO”isdisplayed
intheselectordisplaywindow.Anacceptableclutchlifestatusisdisplayed
as“TRANSHEALTHOK”.Anunacceptableclutchlifestatusisdisplayed
as“TRANSHEALTHLO”.
Reset.TheTMfeatureautomaticallyresetswhenappropriateconditionsare
detected.TMcanonlybemanuallyresetusingAllisonDOC
®
.Whenresetting
TMwiththeservicetool,individualclutchesorallclutchescanbereset.
Operatorresetthroughtheshiftselectorisnotallowed.
History.TheAllisonDOC
®
maybeusedtodisplaytheamountoftransmission
operationfromtheinitialserviceindicationuntiltheservicereset.
5.9.9FLUIDANDFILTERCHANGEINTERVALRECOMMENDATIONS.
CAUTION:Transmissionuidandlterchangefrequencyis
determinedbytheseverityoftransmissionservice.Tohelpavoid
transmissiondamage,morefrequentchangesmaybenecessary
thanrecommendedinthegeneralguidelinesduetooperating
conditionsanddutycycle.
Fortheappropriaterecommendedchangeintervalguidelinesforyourspecic
transmissionconguration,refertoTable5–6.
CAUTION:Transmissionuidandltersmustbechanged
wheneverthereisevidenceofdirtorhightemperatureconditions.A
hightemperatureconditionisindicatedwhenthetransmissionuidis
discolored,hasastrongodor,orhasexceededoilanalysislimits.
103

Allison Transmission T 270 Specifications

General

Brand	Allison Transmission
Model	T 270
Category	Controller
Language	English