MACK Addendum, CHU, CXU, GU, LEU User Manual

Driver'sHandbook

Addendum

Addendum,MackTrucks(ReleaseDate

February2015)

Foreword

TheinformationinthismanualappliestovehiclesbuiltJanuary2011
andlater.Pleasekeepthisaddenduminthevehicleatalltimes.

TheNationalHighwayTrafcSafetyAdministration(NHTSA)and
MACKTrucksshouldbeinformedimmediatelyifyoubelievethatthe
vehiclehasadefectthatcouldcauseacrash,injuryordeath.

ContactNHTSAbycallingtheAutoSafetyHotlineat1(888)
327-4236,bywritingtoNHTSA,U.S.DepartmentofTransportation,
Washington,DC20590,byTTYat1(800)424-9153,orvisittheir
websiteatwww .nhtsa.dot.gov.

Mack Trucks

Greensboro, NC USA

Order number: PV776-22616311

©2015 Mack Trucks Greensboro, NC USA

All rights reserved. No part of this publication may be reproduced,
stored in retrieval system, or transmitted in any forms by any means,
electronic, mechanical, photocopying, recording or otherwise, without
the prior written permission of

Mack Trucks

Contents

Addendum......................................................................................................................1

AutomaticTractionControl(A TC)(IfEquipped)...................................................1

TowingInformation.....................................................................................................2

TowingaV ehicleEquippedwithmDRIVETransmission......................................2

Towing.........................................................................................................................6

LiftingTheFrontSuspension..................................................................................6

ABS..........................................................................................................................7

LiftingTheRearSuspension...................................................................................7

Unloading.................................................................................................................7

Max.LoadingDuringLiftingandTowing..............................................................8

Lifting,General........................................................................................................9

LiftingAV ehicleWithLeafSprings.......................................................................9

LiftingAV ehicleWithAirSuspension...................................................................10

TowingCongurations(Rear,Side,andUsingtheT owHooks).................................15

ParkingBrakesandTowingHooks..........................................................................15

TowingBackwardsAndSideways..........................................................................17

TowingBackwards...................................................................................................17

TowingSideways.....................................................................................................17

ReleasingTheBrake....................................................................................................18

ParkingBrake—MechanicalRelease....................................................................18

DiskBrakes..............................................................................................................19

BrakesInWinter......................................................................................................19

JumpStarting...............................................................................................................20

EngineComponents,ServiceSchedules......................................................................22

MP7,MP8andMP10(US2010andNewer)EngineOilChangeIntervals.............22

MP7,MP8andMP10Engines................................................................................22

EngineIntakeAirCleaner.......................................................................................26

EngineComponentMaintenanceIntervals..............................................................27

EngineCoolant.........................................................................................................27

DriveBelts(FanandAccessory).............................................................................29

EngineV alveAdjustments.......................................................................................30

ExhaustAftertreatmentSystem...............................................................................31

RearAxleOilChangeIntervals...............................................................................32

T300SeriesManualTransmissionOilChangeInterval..........................................34

mDRIVETransmissionOilChangeIntervals.........................................................36

PowerSteeringFluid................................................................................................38

SafetyInformation

IMPORTANT:Beforedrivingthis
vehicle,becertainthatyouhaveread
andthatyoufullyunderstandeachand
everystepofthedrivingandhandling
informationinthismanual.Becertain
thatyoufullyunderstandandfollowall
safetywarnings.

ITISIMPORT ANTTHA TTHE
FOLLOWINGINFORMA TIONBE
READ,UNDERSTOODANDALW A YS
FOLLOWED.

Thefollowingtypesofadvisoriesareused
throughoutthismanual:

DANGER

Dangerindicatesanunsafepracticethat
couldresultinseriouspersonalinjury
ordeath.Adangeradvisorybanneris
inwhitetypeonablackbackground
withablackborder.

WARNING

Warningindicatesanunsafepractice
thatcouldresultinpersonalinjury.A
warningadvisorybannerisinblack
typeonagraybackgroundwithablack
border.

CAUTION

Cautionindicatesanunsafepracticethat
couldresultindamagetotheproduct.
Acautionadvisoryisinblacktypeona

whitebackgroundwithablackborder .

Note:Noteindicatesaprocedure,practice,

orconditionthatmustbefollowedinorder
forthevehicleorcomponenttofunction
inthemannerintended.

Addendum1

AutomaticTractionControl(ATC)(IfEquipped)

W3089687W3089688

ATCFunctionally

AutomaticTractionControl(A TC)providesimprovedtractiononslipperysurfacesby
reducingwheelspin.Ifadrivewheelstartstospinthesystemoperatesautomatically
asfollows:
ATCappliesairpressuretothebrakeofthespinningwheel.Doingthistransfers
enginetorqueviatheaxledifferentialtothewheelsthathavebettertraction.Brake
controlisactiveatvehiclespeedupto25MPH.
ATClimitsenginetorquewhich,inturn,reduceswheelspintoprovideimproved
traction.Thedrivermayoverridetorquecontrolbyfurtherpressingtheaccelerator
pedal.Enginetorqueisactiveatallvehiclespeeds.
WhenA TCautomaticallybecomesactive,theA TCindicatorlampturnsontoalertthe
operator.Thelampturnsoffwhenthewheel(s)stopsspinning.

ATCOFF(IfEquipped)

ATCmayalsoincludethe“A TCOFF”optionthatisselectabletothedriverviathe
ATCOFFswitchwhichislocatedonthedashboard.
WhenthisfunctionisactivatedwiththeA TCOFFmodeswitchwhichislocatedon
thedashboard,theA TCOFFfunctionwillturnofftheAutomaticTractionControl
(ATC)byallowingtorquetobeappliedtoalldrivewheelasrequiredbythedriverand
willnotreducewheelspinbyapplyingthebrakesorreducingenginetorque.
WhentheoperatorselectstheheavyATCOFFfunction,theA TCindicatorlampbeon
continuouslytoindicatethattheAutomaticTractionControl(A TC)isnotavailable.
TheA TClampwillturnoffwhentheA TCOFFmodeswitchisturnedoff.

HeavyMud/SnowFunction(IfEquipped)

ATCmayalsoincludeaheavymud/snowfunctionwhichallowstheoperatorto
activateA TCwhenadditionaltractionisneeded.
Whenthisfunctionisactivated,withtheA TCMUD/SNOWmodeswitchwhichis
locatedonthedashboard,theheavymud/snowfunctionincreasesavailabletraction
byincreasingpermissiblewheelspin.
Whentheoperatorselectstheheavymud/snowfunction,theA TCindicatorlamp
blinkscontinuously.
TheA TClampstopsblinkingwhentheA TCmodeswitchisturnedoff.

2Addendum

TowingInformation

TowingaVehicleEquippedwithmDRIVE
Transmission

VehiclesEquippedwithAMT-D(mDRIVE)withoutTowing
AlternativeProcedure

Note:Refertolabelonthedriverdoorto
checkifvehicleisequippedwithTowing
AlternativeProcedure.

Addendum3

W4093877

IfthevehicleisnotequippedwiththeTowingAlternativeProcedure,the
driveshaftmustbedisconnectedtotowthevehicle.

CAUTION

Failuretodisconnectthedriveaxle
shaft(s)orliftthedrivewheelsoffthe
groundbeforetowingorpushingthe
vehiclecancauseserioustransmission
damage.

DANGER

Ifthedriveshafthasbeendisconnected
fortowing,DONOTreusebearing
retainerboltsorstampedstrapbolts,
orstampedstraps.Reuseofbearing
retainerboltsorstampedstrapbolts,
orstampedstrapscancausedriveline
failure,whichcanresultinseparation
ofthedrivelinefromthevehicle.
Aseparateddrivelinecanresultin
propertydamage,seriouspersonal
injuryordeath.

4Addendum

VehiclesEquippedwithAMT-D(mDRIVE)andwithTowing
AlternativeProcedure

Note:Thisprocedureisnotintendedtoreplacethestandardtowingprocedures
andmustonlybeusedwhenitisnotpossibletofollowthestandardprocedures.

IfthevehiclecannothavethedriveshaftremovedandisequippedwithTowing
AlternativeProcedure,thevehiclecanbetowedwithouttheremovalofthedriveshaft.
Thisprocedureallowsthevehicletoberemovedfromtoll-ways,bridges,andtunnels
withoutdisconnectingthedriveshaft.

CAUTION

Attheearliestpossibletime,thevehicle
shouldbeconguredforstandard
towingbydisconnectingtheaxleshaft.
Failuretodisconnectthedriveaxle
shaft(s)orliftthedrivewheelsoffthe
groundbeforetowingorpushingthe
vehiclecancauseserioustransmission
damage.

Note:Refertolabelonthedriverdoortocheckifvehicleisequippedwithtowing
alternativeprocedure.Also,somevehicleshavehadthetransmissioncontrolmodule
(TCM)softwareupdatedtoaddthetowingalternativeprocedure.

WhentheTowingAlternativeProcedureisused,3rdgearandHighRangeisengaged
whichenablestheoilpumptorotateduringtowing.T owinggear3HRwillbe
engagedifthefollowingconditionsaremet:

•Transmissioninneutralposition

•Vehiclemovesforwardfasterthanasetlimitforanumberofseconds

•Engineisnotrunning

•Airpressuretothetransmissionmustbegreaterthan700kPa(100psi).Airshould

besuppliedcontinuouslyfromthetowingvehicle.

•IgnitionONandpowerprovidedtotheTCM

•Batteryvoltagemustbe12voltsorhigherforproperTCMfunction

•Notransmissionairpressurediagnostictroublecodes(DTC)

Addendum5

CAUTION

Reversetowingisnotallowedwhen
TowingAlternativeProcedureis
used.Reversetowingcandamagethe
transmission.

CAUTION

DonotusetheTowingAlternative
Procedureifthevehiclehasbeeninan
accidentthathascompromisedtheoil
coolinglinesorcoolerorifthevehicle
isbeingtowedfortransmissionfailure.
Usingthisproceduremayresultin
furtherdamagetotheequipment.

ThisprocedureshouldNOTbeusedinthefollowingsituations.

•Vehiclepowerandorairsupplycannotbeveriedtothetransmissionorcannotbe

consistentlysuppliedfromthetowingvehicleifmovinglongerdistances.

•Heavyfrontaldamagetotheradiatorassemblyonvehiclesthathavethe

transmissionoilcoolerinthebottomtankoftheradiator,andthecoolerlines
arecompromised.Towingwithbrokenlineswillpumpalltheoiloutofthe
transmissionandfurtherdamagetheequipment.

•Complaintsinvolvingtransmissionfailurethatrequirestowing.

•ActiveairpressureDTCintheInstrumentClusterforthetransmission.

6Addendum

Towing

Note:Duringtowing,themainswitchandparkinglampsshallbelitiftheelectrical
systemofthevehicleisfunctioning.

LiftingTheFrontSuspension

W7001301

Note:Whenthevehicleistowedwiththefrontsuspensionlifted,thesteeringlock
mustbereleased.

CAUTION

Whenthedrivingwheelsarestillin
contactwiththegroundtheaxledrive
shaftmustalwaysberemovedinorder
nottodamagethegearbox.

Ifthehalfshaftshavetoberemoved,iftherearaxlehasbeendamagedforexample,
thehubsmustalwaysbeprovidedwithclosettingcovers.Sandanddirtcould
otherwisendtheirwayinandcauseconsiderabledamage.

T0006670

Disconnectthepropellershaftfromtherearaxleandxitsecurelytothechassis,or
removetheentirepropellershaft.

Addendum7

ABS

Note:Duringtowingwiththefrontsuspensionlifted,afaultcodefor“abnormal
sensorsignalfront”issetintheABSsystem.Thisshouldbeconsideredduringthe
nextservice,whentheABSfaultcodesarechecked.

LiftingTheRearSuspension

Note:Whenthevehicleistowedwiththerearsuspensionlifted,thesteeringwheel
mustbelockedwiththesteeringlock,orlashed.

Method:Thismethodispreferredwhentheproperequipmentisnotavailableto
performthewheelliftmethodandisnecessaryforwreckersnotequippedwithan
underliftsystem.

Unloading

Alwaysunloadthevehiclebeforeliftingtherearsuspension,ifcircumstancesallowit.

Thevehicleisunloadedtoreducetheaxleloadingonthetowingvehicle,limitthe
loadingonthevehicle'sliftingpointsandminimizetheriskofdamagetotheload
whichcouldoccurduringtowing.

Ifitisnotpossibletounloadthevehiclewhereitis,itcanbetowedashortdistanceto
asuitableplacewhereunloadingcantakeplace.