Allison Transmission 3000 Series User Manual

11.0GENERALGUIDELINES
11.1WELDINGONVEHICLE
Observethefollowingprecautionswhenweldingonthevehicle:
•DisconnectthewiringharnessesfromtheTCM.
•DisconnecttheTCMpowerandgroundcircuitsfromthebattery,and
anyelectroniccontrolgroundwiresconnectedtotheframeorchassis.
•Donotconnectweldingcablestoelectroniccontrolcomponents.
•Donotweldonelectroniccontrolcomponents.
•Coverelectroniccontrolcomponentsandwiringtoprotectthemfrom
hotsparks,heat,etc.
11.2PAINTINGONVEHICLE
11.2.1ElectrostaticPainting.Ifthevehiclechassisorbodyispaintedusing
anelectrostaticpaintingprocess,electricalvoltagemustnotbedischarged
throughtheTCM.Topreventthispossibility,Allisonrecommendsinstallingthe
TCMaftertheelectrostaticpaintprocessiscomplete.IftheTCMisinstalled
priortoelectrostaticpainting,makesure:
•theTCMisnotpainted.
•theelementsbeingpaintedareproperlyandcontinuouslygrounded
duringtheentirepaintingprocess.
NOTE:AllisonTransmissionisnotresponsibleforTCMdamage
resultingfromimpropergroundingduringelectrostaticpaintingof
thevehicle.
Duringelectrostaticpainting,thepaintdropletsreceiveanelectrostaticcharge
attractingthemtothegroundedsurfaces.Voltagesatthesprayguncan
exceedseveralthousandvolts.Thechargewhichbuildsuponanimproperly
groundedchassisorbodycanbedischargedthroughtheTCM,resultingin
damagetotheTCM.
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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