Allison Transmission 3000 Series User Manual

6.Insertthedipstickintothelltube,pushingdownuntilitstops,butstillin
itslooseorunscrewedposition.
7.Removethedipstickandobservetheuidlevel.Iftheuidonthe
dipstickiswithintheCOLDCHECKband(refertoFigure5–1),thelevel
issatisfactory.Iftheuidlevelisnotwithinthisband,addordrain(refer
to5.7TRANSMISSIONFLUIDREFILLasnecessarytobringthelevel
withintheCOLDCHECKband.
8.PerformaHOTCHECKattherstopportunityafternormaloperating
temperature(71-93°C(160-199°F))isreached.
CAUTION:DONOToperatethetransmissionforextendedperiodsof
timeuntilaHOTCHECKhasveriedproperuidlevel.Transmission
damagecanresultfromextendedoperationatimproperuidlevel
conditions.
CAUTION:Theuidlevelrisesasuidtemperaturerises.DO
NOTllthetransmissionabovetheCOLDCHECKbandifthe
transmissionuidisbelownormaloperatingtemperatures.During
operation,anoverfulltransmissioncanbecomeoverheated,leading
totransmissiondamage.
CAUTION:Obtainanaccurateuidlevelbyimposingthefollowing
conditions:
•Engineisidling(500–800rpm)inN(Neutral)
•Transmissionuidisatthenormaloperatingtemperature
•Thevehicleisonalevelsurface
•Applytheparkingbrakeandchockthewheels
5.8.1.2HOTCHECKPROCEDURE
NOTE:Alwayscheckuidlevelwiththedipstickintheunscrewedor
looseposition.
TocompleteaHOTCHECKprocedureusingthedipstick,dothefollowing:
1.Besureuidhasreachednormaloperatingtemperatureof71-93°C
(160-200°F).Ifatransmissiontemperaturegaugeisnotpresent,
measureuidlevelwhentheenginewatertemperaturegaugehas
stabilized.
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Allison Transmission 3000 Series Specifications

General

Type	Automatic Transmission Controller
Control Module	Integrated
Shift Energy Management	Yes
Number of Gears	6
Torque Converter	Yes, with lock-up clutch
Retarder	Optional
PTO Provision	Yes
Input Voltage	12V or 24V
Communication Protocol	SAE J1939
Operating Temperature Range	-40°C to +85°C