MACK MRU User Manual

Mack

®

MRU Series

Mack® TerraProTM Series

(MRU Series)

Mack® TerraProTM Series

(MRU Series)

21394655

21394655 21394655

© Mack Trucks, Inc. 2010

Printed in U.S.A.

April 2010

Foreword

Thismanualcontainsinformationconcerningtheoperationand
functionoftheMackLinkSystem.Theinformationinthismanual
appliestovehiclesbuilt April2010andlater.Pleasekeepthismanual
inthevehicleatalltimes.

Note:Illustrationsinthismanualareusedforreferenceonlyandmay
differslightlyfromtheactualvehicle.However,keycomponents
addressedinthisdocumentarerepresentedasaccuratelyaspossible.

TheNationalHighwayTrafcSafetyAdministration(NHTSA)and
MackTrucks,Inc.shouldbeinformedimmediatelyifyoubelievethat
thevehiclehasadefectthatcouldcauseacrash,injuryordeath.

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

Mack Trucks Inc.

Greensboro,NCUSA

Ordernumber:PV776-21394655

©2010 Mack TrucksInc.,Greensboro,NCUSA

Allrightsreserved.Nopartofthispublicationmaybereproduced,
storedinretrievalsystem,ortransmittedinanyformsbyanymeans,
electronic,mechanical,photocopying,recordingorotherwise,without
thepriorwrittenpermissionof Mack Trucks Inc.

Contents

INTRODUCTION............................................................................................................1

TOTHEOWNER..........................................................................................................1

InAppreciation..........................................................................................................1

AboutThisHandbook................................................................................................2

THEVEHICLE..............................................................................................................3

BasicConguration...................................................................................................3

VehicleManagementandControlSystem(V-MAC®).............................................3

COMPONENTIDENTIFICATION..............................................................................4

VINLocations............................................................................................................4

EngineIdentication..................................................................................................5

EngineInformationPlate...........................................................................................6

CleanIdleEngines.....................................................................................................7

TransmissionIdentication........................................................................................8

WARRANTYINFORMA TION..................................................................................11

AirBrakeSystem.....................................................................................................11

ENGINEGASEOUSEMISSIONCONTROLSYSTEMS....................................11

EmissionsControlSystemWarranty.......................................................................12

ENGINEGASEOUSEMISSIONSCONTROLSYSTEMW ARRANTY.............14

FEDERALEMISSIONREQUIREMENTS............................................................15

EMISSIONCONTROLSYSTEMSW ARRANTY—CALIFORNIA..................15

EmissionsControlSystemWarranty.......................................................................17

SERVICELITERATURE............................................................................................21

–MACKClass8–ComponentsServiceManual....................................................21

–Class8–CustomCollatedServiceManualonCD..............................................21

CUSTOMERSERVICE..............................................................................................22

Call1-800-866-1177forMACKOneCall™...........................................................22

QuestionsandComplaints.......................................................................................22

Addresses.................................................................................................................23

AdditionalAssistance..............................................................................................23

REPORTINGSAFETYDEFECTS.............................................................................25

UnitedStates............................................................................................................25

Canada......................................................................................................................25

Mexico.....................................................................................................................25

EVENTDATARECORDINGDEVICES...................................................................26

SAFETYINFORMATION...........................................................................................27

SAFETYSTATEMENT..............................................................................................27

CERTIFICA TIONLABELS........................................................................................29

SafetyCerticationLabel........................................................................................29

ADVISORYLABELS.................................................................................................31

AdvisoryLabelLocations(OnV ehicle)..................................................................31

TRUCK-TRACTORCONSPICUITY.........................................................................39

CABENTRY/EXIT.....................................................................................................40

Three-LimbContact.................................................................................................40

DriverSide...............................................................................................................42

PassengerSide.........................................................................................................44

DeckPlateAccess....................................................................................................46

SAFETYTIPSFORCOLDWEA THEROPERA TION.............................................48

DriverVisibility.......................................................................................................48

CabDoorSealsandKeyLocks...............................................................................49

OutsideMirrorHeater..............................................................................................49

AirHornSnowShield..............................................................................................50

EmergencyReectorKit..........................................................................................50

FireExtinguisher(Optional)....................................................................................50

INSTRUMENTSANDCONTROLS...........................................................................51

CABINTERIOR..........................................................................................................51

INSTRUMENTPANEL..............................................................................................52

Tell-T ales..................................................................................................................52

PanelArrangement...................................................................................................52

INSTRUMENTPANELGAUGELAYOUT..............................................................53

PanelA.....................................................................................................................53

PanelB.....................................................................................................................54

PanelC.....................................................................................................................55

PanelD.....................................................................................................................56

PanelE.....................................................................................................................57

Regeneration............................................................................................................63

ParkedRegeneration(IfNeeded).............................................................................65

DPFINHIBITROADSPEEDLIMITING(RSL)...................................................67

FunctionofOptionalSwitches.................................................................................71

CABCLIMATECONTROL.......................................................................................74

LIGHTCONTROLPANEL........................................................................................75

STEERINGCOLUMN................................................................................................76

ElectricalSwitch......................................................................................................76

FLOORPEDALS........................................................................................................77

MISCELLANEOUSCONTROLS..............................................................................78

DomeLight..............................................................................................................78

AirHorn...................................................................................................................79

FreshAirVent..........................................................................................................79

AccessoryPowerOutlets.........................................................................................79

PRE-TRIPINSPECTIONANDDAILYMAINTENANCE......................................81

PRE-TRIP....................................................................................................................81

Pre-TripInspectionQuickList................................................................................81

OPERATION..................................................................................................................94

.....................................................................................................................................94

NewVehicleBreak-In..............................................................................................94

WINDSHIELDWASHERRESERVOIR....................................................................96

CABTILTOPERA TION.............................................................................................97

TiltingtheCab.........................................................................................................98

LoweringtheCab...................................................................................................100

BleedingtheCabTiltSystem................................................................................101

HOSETENDERS......................................................................................................102

DOORS......................................................................................................................103

StandardDoorPanel..............................................................................................103

OpeningtheCabDoor...........................................................................................104

LockingtheCabDoor............................................................................................104

REMOTEKEYLESSENTRY—(OPTIONAL)......................................................105

TransmitterOperations..........................................................................................106

BatteryReplacement..............................................................................................106

SEATBEL TS.............................................................................................................110

SeatBeltOperation................................................................................................110

FasteningSeatBelt................................................................................................110

Komfort®LatchSystem........................................................................................113

SEATADJUSTMENTANDRECLINE(IFEQUIPPED)........................................115

MACKENGINEINFORMATION...........................................................................115

PrecautionsandWarnings......................................................................................115

EngineModelDesignations...................................................................................117

CRUISECONTROLOPERATION..........................................................................118

SpeedControlSwitches.........................................................................................118

DisengagingCruiseControl...................................................................................119

MACKPOWERLEASH™ENGINEBRAKE(IFEQUIPPED)..............................120

EngineBrakeSwitch..............................................................................................120

HowtheEngineBrakeisActivated.......................................................................121

CruiseControlwiththeMACKPowerLeash™EngineBrake.............................121

ONTHEROADWITHTHEMACKPOWERLEASH™ENGINEBRAKE.........123

OverFlatTerrain....................................................................................................123

DescendingaGrade...............................................................................................124

OnSlipperyRoadSurfaces....................................................................................126

BRAKEOPERATION...............................................................................................128

AirBrakeSystem...................................................................................................128

AutomaticSlackAdjusters....................................................................................129

ParkingBrakeSystem............................................................................................129

ParkingBrakeOperation........................................................................................130

Parking...................................................................................................................130

Anti-LockBrakeSystem(ABS)............................................................................130

AutomaticTractionControl(A TC)(IfEquipped).................................................134

GOODDRIVINGHABITS.......................................................................................136

WeightRatings.......................................................................................................136

Instruments.............................................................................................................136

ShuttingDowntheEngine.....................................................................................136

GeneralObservation..............................................................................................136

STARTINGTHEVEHICLE.....................................................................................137

GeneralInformation...............................................................................................137

PushButtonStarters...............................................................................................137

AirStarters.............................................................................................................138

EngineWarm-Up...................................................................................................140

EngineIdling..........................................................................................................141

ShuttingDowntheEngine.....................................................................................141

COLDWEATHEROPERA TION.............................................................................144

ColdWeatherStartingTips....................................................................................144

EngineBlockHeaters............................................................................................145

Winterfronts...........................................................................................................146

COUPLINGATRAILER..........................................................................................148

UNCOUPLINGATRAILER....................................................................................150

MOVINGTHEVEHICLE—GENERALINFORMA TION...................................152

Braking...................................................................................................................152

Shifting...................................................................................................................152

EngineTemperature...............................................................................................153

Clutch(IfEquipped)..............................................................................................153

POWERTAKE-OFF(PTO)OPERA TION...............................................................157

PTOPrecautions....................................................................................................157

PTOClassication.................................................................................................158

Side-MountedPTOLocations...............................................................................158

PTOOperatingProcedures....................................................................................158

TRANSMISSIONSHIFTINGINSTRUCTIONS.....................................................159

ShiftingInstructionsforAllisonAutomaticTransmissions..................................159

MACKT306GShiftingInstructions.....................................................................159

MACKTM308ShiftingInstructions.....................................................................160

MACKTM308MShiftingInstructions.................................................................163

MACKTM309ShiftingInstructions.....................................................................165

MACKTM309MShiftingInstructions.................................................................167

MACKT309,T309LandT309LRShiftingInstructions......................................169

MACKT310ShiftingInstructions........................................................................173

MACKT310M,T310MEandT310MLRShiftingInstructions...........................176

MACKT313-T313L-T313LRShiftingInstructions.............................................180

MACKT31321,T313L21andT313LR21ShiftingInstructions..........................185

MACKT318,T318LandT318LRShiftingInstructions......................................189

MACKT31821,T318L21andT318LR21ShiftingInstructions..........................195

AXLES.......................................................................................................................201

RearAxlesOtherThanMACK.............................................................................201

MACKRearAxles.................................................................................................201

EngagingthePowerDividerLockout....................................................................202

Mack,US10EmissionsSolution.................................................................................204

DIESELPARTICULA TEFILTERS.........................................................................204

ExtendedIdlingandAftertreatmentSystemConditioning...................................206

ExhaustAftertreatmentSystem.................................................................................208

SafetyInformation.................................................................................................209

ExhaustAftertreatmentSystemComponentsand................................................210

SelectiveCatalyticReduction(SCR)....................................................................210

DieselExhaustFluid(DEF)...................................................................................212

AftertreatmentDieselParticulateFilter(DPF)......................................................214

AftertreatmentControlModule(ACM).................................................................215

AftertreatmentDPFRegeneration........................................................................215

DriverWarningsandOnBoardDiagnostics(OBD).............................................217

OnBoardDiagnostics(OBD)................................................................................217

InstrumentCluster..................................................................................................218

MalfunctionIndicatorLamp(MIL).......................................................................219

AftertreatmentDEFTankLevel-DriverWarning&Inducement........................220

AftertreatmentDEFQuality-DriverWarning&Inducement..............................221

MisllingDieselorAftertreatmentDEFTanks.....................................................222

SCRTampering-DriverWarning&Inducement.................................................223

WarrantyandMaintenance....................................................................................224

ExhaustAftertreatmentSystemMaintenance........................................................224

EngineMaintenanceIntervals................................................................................224

MAINTENANCEANDLUBRICATION..................................................................225

MAINTENANCEINTRODUCTION.......................................................................225

TURBOCHARGER...................................................................................................225

CLEANINGYOURVEHICLE.................................................................................226

ExteriorWashing...................................................................................................226

CabandHood........................................................................................................228

Chassis...................................................................................................................228

CabInterior............................................................................................................229

Waxing...................................................................................................................229

Polishing................................................................................................................229

WinterW arnings....................................................................................................229

TOWING...................................................................................................................230

ENGINEOILLEVELCHECK.................................................................................231

PowerSteeringReservoir......................................................................................232

FUELTANK..............................................................................................................234

FuelTankCap........................................................................................................234

FUELING..................................................................................................................235

BioDiesel................................................................................................................236

B5ApprovalForMackUS10CertiedProducts..................................................236

COOLINGSYSTEM.................................................................................................238

CoolantLevelCheck..............................................................................................238

DrainingtheCoolingSystem.................................................................................239

RellingtheCoolingSystem.................................................................................239

ProtectingtheCoolingSystem..............................................................................240

CoolingSystemMaintenance................................................................................241

AccessoryDriveBeltRouting...............................................................................242

AccessoryDriveBeltRouting...............................................................................242

HEADLIGHTS..........................................................................................................244

BulbReplacement..................................................................................................244

WHEELS...................................................................................................................244

WheelInspection...................................................................................................244

Tires.......................................................................................................................245

BATTERY..................................................................................................................248

Jump-StartingEngine.............................................................................................248

ELECTRICAL...........................................................................................................249

CircuitBreakerandRelayPanels..........................................................................249

ElectricalGrease....................................................................................................253

METRICCONVERSIONS.........................................................................................256

METRICCONVERSIONS.......................................................................................256

SafetyInformation

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

ITISIMPOR T ANTTHA TTHE
FOLLOWINGINFORMA TIONBE
READ,UNDERSTOODANDALW AYS
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.

INTRODUCTION1

TOTHEOWNER

InAppreciation

ThankyouforbuyingaMACK®vehicle.Withpropercareandmaintenance,

yournewMack®T erraPro™MRUmodelwillhelpyougainacompetitive

edgewithitsfuel-efcientdrivetraincombinations,lowmaintenance,

extendedserviceintervalsand,eventually ,goodresalevalue.

TheMack®T erraPro™MRUmodelisavailableforawiderangeof
applications.Becauseofthisversatility,drivetrainsandcomponentsvaryand
operatinginstructionsmaydifferfromonemodeltoanother.Whileevery
efforthasbeenmadetocoverallcurrentarrangements,donothesitateto
consultyourMACKdistributorifaquestionarises.Honest,personalservice
isstandardwitheveryMACKsale.

CAUTION

MackTrucks,Inc.wouldliketopointouttheimportantrolethatthedriverplaysin
thelifeofthevehicle.Onlytrainedandinformeddriversshouldoperatethisvehicle.

We,atMackTrucks,Inc.,hopethatyouwillbehappywithyournewMack®
TerraPro™model,andthatyouseemanyyearsoftrouble-freedriving.

Thisvehiclewasbuilttoconformtoallfederalstandardsandregulations
applicableatthetimeofmanufacture.

2INTRODUCTION

AboutThisHandbook

ThishandbookisreferredtoastheMack®T erraPro™SeriesOperator’s
Handbook.ItcoversallMack®TerraPro™models.Keepthishandbookwith
thevehicleatalltimestoensurethateachownerand/oroperatorwillhave
accesstoallpertinentinformationrelatingtotheoperationandhandlingof
thisvehicle.

Thishandbookwaspreparedtoprovidethedriverwithallrelevantinformation
concerningthedailyoperationofthisvehicle.Pleasereaditthoroughly;
payparticularattentiontoadvisorylabelsthathavebeenincludedtodraw
attentiontoimportantissuesofoperatorsafetyandoverallperformance.

Informationandillustrationsinthishandbookarebasedonthelatest
productionusageatthetimeofprintingandaresubjecttochangewithout
priornotice.

Note:Basicmaintenanceandlubricationproceduresarefoundinthismanual
beginningwith“MAINTENANCEINTRODUCTION”,page225.Forfurther
information,refertotheMaintenanceandLubricationManual.Otherimportant
informationcanbefoundintheEmissionControlSystemsforMACKDieselEngine
Manual.

INTRODUCTION3

THEVEHICLE

BasicConguration

TheMack®T erraPro™MRUmodelhasalow-entry,cab-forward-style
operatorscompartment.Lowproleandexcellentvisibilitymakethismodel
popularthroughouttherefuse-hauling,constructionandreghtingindustries.

VehicleManagementandControlSystem
(V-MAC®)

TheVehicleManagementandControlSystem(V-MAC)isanelectronic
controlsystemthatmanagesengineandvehiclefunctions.Inaddition,the
DataMax™portionofV-MACmonitorsandstoresavarietyofinformation(i.e.,
maintenanceschedules,overspeedlogs,faulttables,tripsummaries)

ForacompletedescriptionoftheV-MACIVsystem,refertotheapplicable
V-MAC®Operator’sGuide,whichissuppliedwiththevehicle.

Additionalinformationconcerningservice,diagnostics,programmingand
vendorequipmentinterfaceapplicationisavailablefromtheMackTrucks,Inc.
ServicePublicationsDepartment.ContactyourlocalMACKdealerfordetails.

WARNING

NevercutintotheV-MACsystemwireharnesstopoweradditionalequipment.If
suchequipmentistobeinstalled,contactyourMACKdealerforassistance.

4INTRODUCTION

COMPONENTIDENTIFICATION

Locatethefollowingserialnumbersandwritethemintheboxesprovided
nexttoeachillustration.

VINLocations

TheV ehicleIdenticationNumber(VIN)isdisplayedintwolocations(aframe
railstampingandalabel).The17-digitVINmustbeidenticalinbothlocations.

TheVINframestampingislocatedontherightoutsideframerailandthe
leftinsideframerail.

C0029554

TheVINlabelislocatedontheinsidedoorframebelowthedriverseat.

C0028941

INTRODUCTION5

EngineIdentication

OntheMACKMPengines,theengineserialnumberisstampedontheleft
sideoftheengineblock,belowtheinletmanifold.

C0028943

6INTRODUCTION

EngineInformationPlate

IncompliancewithFederalandCaliforniaemissionrequirements,an
engineinformationlabelisafxedtoallMACKdieselengines.Thislabel,
whichislocatedonthecylinderheadcoveratthefrontoftheengine,gives
basicengineidenticationinformation(enginemodel,serialnumber,etc.),
advertisedhorsepoweratratedspeed,emissionsregulationstowhichthe
engineconformsandinletandexhaustvalvelashsettings.Examplesofthe
49stateEPAapproved,and50stateEPAandCaliforniaapprovedengine
identicationlabelsaregivenbelow.

W2040455

EngineIdenticationLabel-49StateEPAApprovedEngine

withoutCalifornia"CleanIdle"

EngineIdenticationLabel-50StateEPAApprovedEngine

withCalifornia"CleanIdle"

W2040456

INTRODUCTION7

CleanIdleEngines

TheCaliforniaAirResourcesBoard(ARB)requiresthat2008andlatermodel
yearvehiclesbeequippedwithengineshavingtamper-resistantsoftware
whichlimitsthetimeatwhichtheenginecanidleatspeedsabovelowidle
(550–700rpm).Atspeedsabovelowidle,andwithoutaPTOengaged,idle
timewillbelimitedtoveminutes,afterwhichtheenginewillrevertback
tolowidle.V ehiclesequippedwithaCleanIdleengineareidentiedbya
labelwhichisafxedtothelowerportionofthedriver’ssidedooroncab-over
models(MRU).

CleanIdleEngineLabel

W2056289

8INTRODUCTION

TransmissionIdentication

TheMACKT300Seriestransmissionserialnumberislocatedontherear
leftsideofthemaincase.

C0028947

TheAllisonRDSandEVStransmissionidenticationplateislocatedonthe
rearrightsideofthemaincase,nearthelowerend.

C0029555

TheMACKcarrierassemblyserialnumberislocatedonthefrontrightside
ofthehousing.

C0028950

TheEaton®Spicer®rearaxleserialnumberislocatedontherearofthe
axlehousingtowardthecarrier.

INTRODUCTION9

C0028951

TheEaton®Spicer®carrierassemblyserialnumberislocatedontheleft
sideoftheforwardcarrier,andthetopoftherearcarrier.

C0028952

TheMERITORrearaxleidenticationtagislocatedontheleftorrightrearof
therearaxlehousing,nexttothecarrier.

C0028953

10INTRODUCTION

TheMERITORcarrierassemblyserialnumberislocatedontheleftsideof
theforwardcarrier,andthetopoftherearcarrier.

C0028954

INTRODUCTION11

WARRANTYINFORMATION

ThischassisisequippedwithaUS2010emissioncompliantengineandan
exhaustaftertreatmentsystem(DieselParticulateFilter).UseofUltraLow
SulfurDiesel(ULSD)fuelandEO-OPremiumPlus(orVDS-4)specication
highperformancedieselengineoilisrequiredinthisvehicle.

Note:Useofimproperorunapprovedfuelorengineoilwillvoidtheengineand
aftertreatmentsystemwarranty.

AirBrakeSystem

TheMACKStandardVehicleWarrantyappliestotheairbrakesystem,as
setforthintheWarranty,butonlyiftheairbrakesystemhasnotbeen
subjectedtounauthorizedadditions,deletionsormodications.Ifanysuch
unauthorizedadditions,deletionsormodicationsareperformed,Mack
Trucks,Inc.disclaimsanyandallliabilityforanylossordamagearisingoutof
amalfunctionoftheairbrakesystem.

Theairbrakesystemwasdesignedandbuilttoconformtoallapplicable
federalmotorvehiclesafetystandardsineffectatthetimeofmanufacture.

Tractorairsystemsaredesignedforoperationasatractoronly,andtruckair
systemsaredesignedtobeoperatedasatruckonly .Ifatractorisgoingtobe
convertedforoperationasatruck,theairbrakesystemmustberecongured
tothatofatruck.Conversely,ifatruckisgoingtobeconvertedforoperation
asatractor,theairbrakesystemmustbereconguredtothatofatractor.
ConsultyourlocalMACKdistributorforadditionalinformation.

Ifanyunauthorizedadditions,deletionsormodicationsaremadetoany
portionoftheairbrakesystemwhichisrequiredbyFederalMotorVehicle
SafetyStandards,MackTrucks,Inc.makesnorepresentationastoconformity
withtheStandards.

Forcompletewarrantyinformation,refertothePedigreedProtectionPlan
providedwitheachvehicle.

ENGINEGASEOUSEMISSIONCONTROL
SYSTEMS

WARRANTYMAINTENANCE

Note:Foremissioncontrolsystems
informationonenginesotherthanMACK,
refertotheenginevendor’spublication

12INTRODUCTION

ENGINEGASEOUSEMISSIONCONTROLSYSTEMS
WARRANTY

MackTrucks,Inc.warrantstheEmission
ControlSystemsoneachnewMack
dieselengineinanewMackTruckto
complywithallUnitedStatesFederal
andCanadianemissionsregulations
applicableatthetimeofmanufactureof
theengine,andtobefreefromdefects
inmaterialandworkmanshipunder
normaluseandserviceupto60months,
or160934km(100,000miles),which
everoccursrst,providedthatallMack
Trucks,Inc.maintenancerequirements
arefollowedasdescribedinthismanual.
Allwarrantyperiodsarecalculatedfrom
thedate-in-serviceofthenewvehicle.

Therepairorreplacementofdefective
partswillbemadewithoutchargefor
thecostofpartsandifrepairsaremade
atanauthorizedMackTrucks,Inc.
dealership,therewillbenochargefor
labor.MackTrucks,Inc.’sobligation
underthiswarrantyislimitedtotherepair
orreplacement,atMackTrucks,Inc.’s
option,ofanypart(s)oftheEmission
ControlSystemsofsuchengineand/or
vehiclefoundtobedefectiveupon
examinationbyMackTrucks,Inc.and
providedthatsuchpart(s)werereturnedto
MackTrucks,Inc.oritsnearestauthorized
Dealerwithinareasonableperiodoftime.

QualicationsandLimitations:

Note:NotcoveredbytheEmissions
ControlSystemsW arranty:

•Malfunctionscausedbymisuse,

improperadjustments,modication,
alteration,tampering,disconnection,
improperorinadequatemaintenance
anduseofimproperdieselfuelorDEF .

•Inconvenience,lossofuseofthe

vehicle,commerciallossofany
kindincluding,butnotlimitedto,
consequentialorincidentaldamages

•Anyvehicleinwhichtheodometer

hasbeenalteredordamagedsothat
mileagecannotbereadilydetermined.

•Damageresultingfromaccident,acts

ofnatureorothereventsbeyondthe
controlofMackTrucks,Inc.

THISW ARRANTYISEXPRESSL YINLIEUOFALLOTHERW ARRANTIES
ANDREPRESENTATIONSORCONDITIONS,STA TUTORYOR
OTHERWISE,EXPRESSEDORIMPLIEDINCLUDING,BUTNOTLIMITED
TO,IMPLIEDW ARRANTYOFMERCHANTABILITYORFITNESSFORA
PARTICULARPURPOSE.

EmissionsControlSystemWarranty

Thefollowingenginecomponentsarecoveredbythesupplementalemissionscontrol
systemwarrantypolicyasrequiredbytheFederalcodeofemissionregulations.

1TurbochargerAssembly

•VGTActuator

2ChargeAirCooler

•CACHoses

3EngineControlModule(ECM)

4Injectors

•CACPipes(Airinletto/fromCAC)

INTRODUCTION13

5EngineandVehicleWireharness(

repairtocircuitsrelatedtoEmissions
WarrantableComponents)

6ExhaustGasRecirculation(EGR)

Mixer

7EGRCooler

8EGRValveandEGRV alveControl

9EGRPipes-EngineExhaustManifold

toEGRCooler

10EGRPipes-EGRCoolertoInlet

Manifold

11CrankcaseBreather

12CrankcaseSeparator

13CrankcaseTubingandHosesbefore

Separator

14AftertreatmentWiringHarness

15AftertreatmentControlModule(ACM)

16AftertreatmentDieselParticulateFilter

(DPF)Assembly

A.AftertreatmentDPFAssembly
withAftertreatmentDieselOxidation
Catalyst(DOC)

•AftertreatmentDoser

•DiffuserPipe(AftertreatmentFuel

DoserMounting)

•FuellinestoAftertreatmentFuel

Doser

•AftertreatmentFuelShutoffV alve

•AftertreatmentFuelPressureSensor

•DischargeRecirculationValve

(DRV)(HeatMode)

•DischargeRecirculationValve

(DRV)Solenoid

•EngineTurbochargerCompressor

BypassActuator(HeatMode)

•EngineTurbochargerCompressor

BypassActuatorSolenoid

•EngineExhaustGasTemperature

(EGT)Sensor

•AftertreatmentDPFIntake

TemperatureSensor

•AftertreatmentDPFOutlet

TemperatureSensor

•AftertreatmentDPFDifferential

PressureSensor

•AftertreamentDoserAirSupply

Regulator(ifapplicable),Supply
Lines,andFittings

B.ThermalRegenerationUnit(TRU)

•AftertreatmentDPFCombustion

AirControlV alve

•AftertreatmentDPFCombustion

AirV alve

•AftertreatmentDPFAtomization

Module

•AftertreatmentDPFIgnitionCoil

•AftertreatmentDPFFuelControl

Valve

•AftertreatmentDPFIgnition

Electrode

•Nozzle

•EngineExhaustGasTemperature

(EGT)Sensor

•AftertreatmentDPFIntake

TemperatureSensor

•AftertreatmentDPFOutlet

TemperatureSensor

•AftertreatmentDPFSparkAssist

FlameTemperatureSensor

•AftertreatmentDPFDifferential

PressureSensor

17Sensors:

•CrankshaftPosition(CKP)

•CamshaftPosition(CMP)

•EngineCoolantTemperature(ECT)

•IntakeManifoldAirTemperature

•IntakeManifoldPressure(IMP)

•EGRTemperature

14INTRODUCTION

•AftertreatmentOutletNOx

•AftertreatmentIntakeNOx

•EGRDifferentialPressure

•AmbientAirTemperature(AA T)

18SCR

•AftertreatmentSelectiveCatalytic

Reduction(SCR)Catalyst

•AftertreatmentDieselExhaustFluid

(DEF)Pump

•AftertreatmentDEFDosing

AbsolutePressureSensor

•AftertreatmentDEFReturn

Valve

•AftertreatmentDEFDosingV alve

•AftertreatmentDEFTank

•AftertreatmentDEFTank

Heater/Sender

ENGINEGASEOUSEMISSIONSCONTROL
SYSTEMWARRANTY

•AftertreatmentDEFTankHeater

•AftertreatmentDEFTankHeater

Valve

•AftertreatmentDEFTank

TemperatureSensor

•AftertreatmentDEFLevelSensor

•AftertreatmentDEFHeatedLines

19.InstrumentCluster(Repairof
microprocessor,OBDMIL,RealTime
Clock,AftertreatmentDEFTankGauge
and,AftertreatmentDEFTankLowLevel
Indicator)

20.ExhaustGasPiping(from
TurbochargertoAftertreatmentSystem)

21.DataLinkConnector(DLC)

Theemissionwarrantyforthediesel
particulatelter(DPF)andSCRSystem
coversdefectsinworkmanshiponly.
Normalmaintenance,suchascleaning
ashfromthelteratregularmaintenance
intervalsandcleaningtheaftertreatment
fuelinjectoronDieseloxidationcatalyst
(DOC)DPFsystems,isnotcoveredby
theemissionwarranty.WiththeThermal
regeneratorDPFsystem,cleaningthe
ignitionelectrodesandfuelinjection
nozzleattheregularmaintenanceintervals

isconsiderednormalmaintenanceandnot
coveredbytheemissionwarranty .

Note:Inresponsetocustomerrequests,
MackTrucks,Inc.maybuildvehicleswith
enginessuppliedbyothermanufacturers.
Inthesecases,eachenginemanufacturer
throughitsserviceorganization,is
responsibleforemissioncontrolsystems
warrantyonallpartsoftheengine
assembly,asfurnished.

FEDERALEMISSIONREQUIREMENTS

INTRODUCTION15

Thissectioncoverstherequirementofthe
UnitedStatesCleanAirActwhichstates:
“Themanufacturershallfurnishwith
eachnewmotorvehicleormotorvehicle
enginesuchwritteninstructionsforthe
maintenanceanduseofthevehicleor
enginebytheultimatepurchaserasmay

TAMPERINGWITHGASEOUSEMISSIONCONTROLSYSTEMS
PROHIBITED

TheFederalCleanAirActprohibitsthe
removalorrenderinginoperativeofany
deviceorelementofdesigninstalledonor
inamotorvehicleormotorvehicleengine
incompliancewithFederalEmission
Regulationsby:

1Anypersonpriortoitssaleanddelivery

totheultimatepurchaser,or

2Anymanufacturerordistributorafter

itssaleanddeliverytotheultimate
purchaser,or

3Anypersonengagedinthebusinessof

repairing,servicing,selling,leasing,or

bereasonableandnecessarytoassurethe
properfunctioningofemissioncontrol
devicesandsystems.”Thissectionalso
coverstherequirementsoftheemissions
regulationspromulgatedundertheMotor
VehicleSafetyActinCanada.

4Anypersonwhooperatesaeetof

Note:Forspecicsoftheprohibited
vehicle/enginemodicationsreferto
theMackTrucks,Inc.BodyBuilders
documentation.

tradingmotorvehiclesormotorvehicle
enginesfollowingitssaleanddelivery
totheultimatepurchaser,or

motorvehiclesfollowingitssaleand
deliverytotheultimatepurchaser.

EMISSIONCONTROLSYSTEMSWARRANTY—
CALIFORNIA

TheCaliforniaAirResourcesBoardand
MackTrucks,Inc.arepleasedtoexplain
theCaliforniaemissioncontrolsystem
warrantyonyournewmotorvehicle
engine.InCalifornia,newmotorvehicle
enginesmustbedesigned,builtand
equippedtomeettheState’sstringent
anti-smogstandards.MackTrucks,Inc.
mustwarranttheemissioncontrolsystem
onyourenginefortheperiodoftimelisted
belowprovidedtherehasbeennoabuse,
neglect,orimpropermaintenanceofyour
engine.
Youremissioncontrolsystemmay
includepartssuchasthefuel-injection

system,turbochargerassembly,electronic
controlmoduleandotheremission-related
assemblies.
Whereawarrantableconditionexists,
MackTrucks,Inc.willrepairyourengine
atnocosttoyouincludingdiagnosis,
parts,andlabor.

MANUFACTURER’SW ARRANTY
COVERAGE:

Ifanemission-relatedpartofyourengine
isdefective,thepartwillberepairedor
replacedbyMackTrucks,Inc.Thisis
youremissioncontrolsystemDEFECTS
WARRANTY .

16INTRODUCTION

OWNER’SWARRANTYRESPONSIBILITIES:

Asthemotorvehicleengineowner,you
areresponsiblefortheperformanceof
therequiredmaintenancelistedinthis
manual.MackTrucks,Inc.recommends
thatyouretainallreceiptscovering
maintenanceofyourvehicle,butMack
Trucks,Inc.cannotdenywarrantysolely
forthelackofreceiptsorforyourfailure
toensuretheperformanceofallscheduled
maintenancelistedinothermanualswhich
weresuppliedwithyourvehicle.
Youareresponsibleforpresenting
yourmotorvehicleenginetoaMACK
dealerassoonasaproblemexists.The
warrantyrepairsshouldbecompleted
inareasonableamountoftime,notto
exceed30days.Asthemotorvehicle
engineowner,youshouldalsobeaware
thatMackTrucks,Inc.maydenyyou
warrantycoverageifyourvehicleora
parthasfailedduetoabuse,neglect,
impropermaintenance,orunapproved
modications.
Ifyouhaveanyquestionsregarding
yourwarrantyrightsandresponsibilities,
youshouldcontacttheMackTrucks,
Inc.WarrantyActivitiesP.O.Box26259,
Greensboro,NC27402,ortheCalifornia
AirResourcesBoardat9480Telstar
Avenue,ElMonte,California91731.

(Applicableonlytovehiclesand/or
enginescertiedforsaleandregistered

intheStateofCalifornia)MackTrucks,

Inc.warrantstheEmissionControl
SystemsoneachnewMACKdiesel
engineinanewMACKtrucktocomply
withallStateofCaliforniaemissions
regulationsapplicableatthetimeof
manufactureoftheengine,andtobefree
fromdefectsinmaterialandworkmanship
undernormaluseandserviceupto
60months,or100,000miles,or3,000
engineoperatinghours,whicheveroccurs
rst,providedthatallMackTrucks,
Inc.maintenancerequirementsare
followedasdescribedinthismanual.All
warrantyperiodsarecalculatedfromthe
date-in-serviceofthenewvehicle.The
repairorreplacementofdefectiveparts
willbemadewithoutchargeforthecost
ofpartsand,ifrepairsaremadeatan
authorizedMackTrucks,Inc.dealership,
therewillbenochargeforlabor.
MackTrucks,Inc.’sobligationunder
thiswarrantyislimitedtotherepair
orreplacement,atMackTrucks,Inc.’s
option,ofanypart(s)ofEmissionControl
Systemsofsuchengineand/orvehicle
foundtobedefectiveuponexaminationby
MackTrucks,Inc.andprovidedthatsuch
part(s)werereturnedtoMackTrucks,Inc.
oritsnearestauthorizedDealerwithina
reasonableperiodoftime.

QualicationsandLimitations:

NotcoveredbytheEmissionsControl
SystemsW arranty:

•Malfunctionscausedbymisuse,

improperadjustments,modication,
alteration,tampering,disconnection,
improperorinadequatemaintenance
anduseofimproperdieselfuelorDEF .

•Damageresultingfromaccident,acts

ofnatureorothereventsbeyondthe
controlofMackTrucks,Inc.

•Inconvenience,lossofuseofthe

vehicle,commerciallossofany
kindincluding,butnotlimitedto,
consequentialorincidentaldamages.

•Anyvehicleinwhichtheodometer

hasbeenalteredordamagedsothat
mileagecannotbereadilydetermined.

INTRODUCTION17

THISW ARRANTYISEXPRESSL YINLIEUOFALLOTHERW ARRANTIES
ANDREPRESENTATIONSORCONDITIONS,STA TUTORYOR
OTHERWISE,EXPRESSEDORIMPLIEDINCLUDING,BUTNOTLIMITED
TO,IMPLIEDW ARRANTYOFMERCHANTABILITYORFITNESSFORA
PARTICULARPURPOSE.

EmissionsControlSystemWarranty

Thefollowingenginecomponentsarecoveredbythesupplementalemissionscontrol
systemwarrantypolicyasrequiredbytheCaliforniacodeofregulations.

1TurbochargerAssembly

•VGTActuator

2ChargeAirCooler

•CACPipes(Airinletto/fromCAC)

•CACHoses

3EngineControlModule(ECM)

4Injectors

5EngineandVehicleWireharness(

repairtocircuitsrelatedtoEmissions
WarrantableComponents)

6ExhaustGasRecirculation(EGR)

Mixer

7EGRCooler

8EGRValveandEGRV alveControl

9EGRPipes-EngineExhaustManifold

toEGRCooler

10EGRPipes-EGRCoolertoInlet

Manifold

11CrankcaseBreather

12CrankcaseSeparator

13CrankcaseTubingandHosesbefore

Separator

14AftertreatmentWiringHarness

15AftertreatmentControlModule(ACM)

16AftertreatmentDieselParticulateFilter

(DPF)Assembly

A.AftertreatmentDPFAssembly
withAftertreatmentDieselOxidation
Catalyst(DOC)

•AftertreatmentDoser

•DiffuserPipe(AftertreatmentFuel

DoserMounting)

•FuellinestoAftertreatmentFuel

Doser

•AftertreatmentFuelShutoffV alve

•AftertreatmentFuelPressureSensor

•EngineTurbochargerCompressor

BypassActuator(HeatMode)

•EngineTurbochargerCompressor

BypassActuatorSolenoid

•EngineExhaustGasTemperature

(EGT)Sensor

•AftertreatmentDPFIntake

TemperatureSensor

•AftertreatmentDPFOutlet

TemperatureSensor

•AftertreatmentDPFDifferential

PressureSensor

•AftertreamentDoserAirSupply

Regulator(ifapplicable),Supply
Lines,andFittings

B.ThermalRegenerationUnit(TRU)

•AftertreatmentDPFAirShutoff

Valve

•AftertreatmentDPFCombustion

AirV alve

•AftertreatmentDPFAtomization

Module

•AftertreatmentDPFIgnitionCoil

18INTRODUCTION

•AftertreatmentDPFFuelControl

Valve

•AftertreatmentDPFIgnition

Electrode

•Nozzle

•EngineExhaustGasTemperature

(EGT)Sensor

•AftertreatmentDPFIntake

TemperatureSensor

•AftertreatmentDPFOutlet

TemperatureSensor

•AftertreatmentDPFSparkAssist

FlameTemperatureSensor

•AftertreatmentDPFDifferential

PressureSensor

17Sensors:

•CrankshaftPosition(CKP)

•CamshaftPosition(CMP)

•EngineCoolantTemperature(ECT)

•IntakeManifoldAirTemperature

•IntakeManifoldPressure(IMP)

•EGRTemperature

•AftertreatmentOutletNOx

•AftertreatmentIntakeNOx

•EGRDifferentialPressure

•AmbientAirTemperature(AA T)

18SCR

•AftertreatmentSelectiveCatalytic

Reduction(SCR)Catalyst

•AftertreatmentDieselExhaustFluid

(DEF)Pump

•AftertreatmentDEFDosing

AbsolutePressureSensor

•AftertreatmentDEFReturn

Valve

•AftertreatmentDEFDosingV alve

•AftertreatmentDEFTank

•AftertreatmentDEFTank

Heater/Sender

•AftertreatmentDEFTankHeater

•AftertreatmentDEFTankHeater

Valve

•AftertreatmentDEFTank

TemperatureSensor

•AftertreatmentDEFLevelSensor

•AftertreatmentDEFHeatedLines

19.InstrumentCluster(Repairof
microprocessor,OBDMIL,RealTime
Clock,AftertreatmentDEFTankGauge
and,AftertreatmentDEFTankLowLevel
Indicator)

20.ExhaustGasPiping(from
TurbochargertoAftertreatmentSystem)

21.DataLinkConnector(DLC)

ENGINEGASEOUSEMISSIONCONTROLSYSTEMS
WARRANTY—Continued

Theemissionwarrantyforthediesel
particulatelter(DPF)andSCRSystem
coversdefectsinworkmanshiponly.
Normalmaintenance,suchascleaning
ashfromthelteratregularmaintenance
intervalsandcleaningtheaftertreatment
fuelinjectoronDieseloxidationcatalyst
(DOC)DPFsystems,isnotcoveredby
theemissionwarranty.WiththeThermal
regeneratorDPFsystem,cleaningthe
ignitionelectrodesandfuelinjection
nozzleattheregularmaintenanceintervals
isconsiderednormalmaintenanceandnot
coveredbytheemissionwarranty .

Note:Inresponsetocustomerrequests,
MackTrucks,Inc.maybuildvehicleswith
enginessuppliedbyothermanufacturers.
Inthesecases,eachenginemanufacturer
throughitsserviceorganization,is
responsibleforemissioncontrolsystems
warrantyonallpartsoftheengine
assembly,asfurnished.

CAUTION

Anyunauthorizedadjustmentstothe
emissioncontrolcomponentscancause
severedamagetotheengine.

INTRODUCTION19

establishment,orbytheowner,usingany
replacementpart,withinthelimitations
ofparagraphs3and4inthissection.An
emergencyconditionexistsunderthis
sectionif,after30days,repairshave
notbeencompletedorpartsarenotyet
available.MACKwillreimbursethe
ownerforsuchrepairsthatarecovered
underthiswarranty ,includingdiagnosis,
nottoexceedMACK’ssuggestedretail
priceforpartsreplacedandlaborcharges
basedonMACK’srecommendedtime
allowanceandgeographicallyappropriate
hourlylaborrate.Replacedpartsandpaid
invoicesmustbepresentedataMACK
facilityasaconditionofreimbursementfor
emergencyrepairsperformedelsewhere.

CAUTION

Intheeventthatdamageresultsfrom
unauthorizedadjustmentstoany
emissioncontrolsystemcomponents,
asevidencedbysettingsotherthanas
specied,orbrokenfastenerseals,the
costofrepairingsuchdamageWILL
NOTBECOVEREDunderwarranty

1.RepairsbyMACKDealers,

Sub-DealersandServiceDealers

RepairscoveredbytheCalifornia
EmissionControlSystemsW arrantywill
beperformedbyanyauthorizedMACK
repairfacilityathisplaceofbusinesswith
nochargeforpartsandlabor(including
diagnosis),usingMACKpartsforanypart
oftheemissioncontrolsystemscovered
bythiswarrantyandfounddefective.

2.InanEmergency
Inanemergency,whereanauthorized
MACKfacilityisnotavailable,repairs
maybeperformedatanyavailableservice

3.RepairsbyNon-MACKFacilities
Ownersmayelecttohavemaintenance,
replacement,orrepairofemissioncontrol
systemsperformedbyanyrepairfacility,
andmayelecttousepartsotherthan
MACKpartswithoutinvalidatingthe
warrantyonothercomponents,butthe
costofsuchserviceorpartswillnotbe
coveredbyMACKunderitswarranty.

4.UseofNon-MACKParts
Useofreplacementpartswhicharenotthe
equivalentofMACKpartsmayimpairthe
effectivenessofemissioncontrolsystems.
IfotherthanMACKpartsareused,the

20INTRODUCTION

ownershouldobtainassurancesthatsuch
partsarewarrantedbytheirmanufacturer
tobetheequivalentofMACKparts
inperformanceanddurability.MACK
assumesnoliabilityunderthiswarranty
withrespecttopartsotherthanMACK
parts;however,theuseofnon-MACK
partsdoesnotinvalidatethewarrantyon
othercomponentsunlessnon-MACKparts
causedamagetowarrantedparts.

5.MaintenanceandMaintenance

Records

Thevehicleownerisresponsibleforthe
performanceofallrequiredmaintenance
speciedinthismanual.MACKwillnot
denyawarrantyclaimsolelybecausethere
isnorecordofmaintenance;however,
MACKmaydenyawarrantyclaimif
failuretoperformrequiredmaintenance
resultsinthefailureofawarrantedpart.
Receiptsorotherrecordscoveringthe
performanceofscheduledmaintenance
shouldberetainedtoanswerquestions
thatmayariseconcerningmaintenance.
Maintenancerecordsshouldbetransferred
tosubsequentownersifthevehicleissold.

6.ItemsNotCoveredbytheEmission

ControlSystemsWarranty

•Malfunctionscausedbymisuse,

improperadjustments,modication,
alteration,tampering,disconnection,
improperorinadequatemaintenance
anduseofimproperdieselfuel.

•Damageresultingfromaccident,acts

ofnatureorothereventsbeyondthe
controlofMackTrucks,Inc.

•Inconvenience,lossofuseofthe

vehicle,commerciallossofany
kindincluding,butnotlimitedto,
consequentialorincidentaldamages.

•Anyvehicleinwhichtheodometer

hasbeenalteredordamagedsothat
mileagecannotbereadilydetermined.

7.CustomerAssistance
MACKwishestoassurethattheCalifornia
EmissionControlSystemsWarrantyis
properlyadministered.Intheeventthat
ownersdonotreceivethewarrantyservice
towhichtheybelievetheyareentitled
undertheCaliforniaEmissionControl
SystemsW arranty ,theyshouldcontact
thenearestMACKRegionalOfcefor
assistance.Theaddressandtelephone
numberforeachRegionalOfceare
intheMACKDirectoryofSales,Parts
andServiceCenters.Ownersinneed
ofadditionalassistanceorinformation
concerningtheCaliforniaEmission
ControlSystemsW arrantymayalso
contact:

MackTrucks,Inc.

WarrantyActivities

P.O.Box26259

Greensboro,NC27402

INTRODUCTION21

SERVICELITERATURE

TheMACKServicePublicationsdepartmentoffersavarietyofserviceliterature
(includingindividualservicemanuals)thatcanbeorderedthroughanyMACK
dealerorontheMackTrucks,Inc.websiteatwww.macktrucks.com.

Note:MackTrucks,Inc.wouldliketoemphasizetheimportanceofproperservice
andmaintenanceprocedures.Service,repairandreplacementsmustbeperformedby
certied,licensedmechanicsinaccordancewithMACKstandards.

–MACKClass8–ComponentsServiceManual

Thismulti-bindersetcontainsserviceinformationcoveringallMACK
components(i.e.,engines,transmissions,frontandrearaxles,cabs,fuel
systems,electricalsystems).

Note:Ifyourvehiclecontainsanumberofnon-MACK(vendor)components,the

Class8–CustomCollatedServiceManualmightbemoreappropriate.

–Class8–CustomCollatedServiceManualonCD

22INTRODUCTION

CUSTOMERSERVICE

Call1-800-866-1177forMACKOneCall™

TheOneCallcustomersupportsystemisatoll-freenationwidehotlinethat
operates24hoursaday,sevendaysaweek,includingholidays.Ifyoubreak
downontheroad,simplycall1-800-866-1 177.Thereisastaffoftrained,
experiencedtechniciansreadytohelp.Theycanhelptroubleshootaproblem
togetyoubackontheroad,arrangetosendroadsideassistanceorarrange
fortowingtothenearestMACKdealership.

OneCallprovidespersonalizedservice.Thepersonwhoinitiallytakesyour
callwillbethesamepersonwhoseesthatyoursituationisresolvedquickly
andtoyoursatisfaction.Ifafollow-upcallisnecessary,thesamefamiliar
voicewillbeontheotherendoftheline.

OneCalltechnicianscanalsohelpyouplanaheadtokeepyouroperation
runningefcientlybyschedulingroutinemaintenanceandlubricationservice,
orbylocatingthenearestMACKdealership.

QuestionsandComplaints

Yoursatisfactionisourmostimportantconcern.

Ifquestionsorcomplaintsarise,rstdiscussthematterwiththeservice
managerattheMACKfacilityinvolved.Ifyouarenotsatisedwiththe
servicemanager’sresponse,contactthebranchmanager,principalorgeneral
managerofthedistributorship.Ifassistanceisrequiredataservicedealer,
contacttheowneroftheestablishment.

If,foranyreason,youneedfurtherassistanceafterdealingwiththepersonnel
ataMACKsubsidiaryordistributor,contacttheregionalservicemanagerat
thenearestMACKregionalserviceofce.Theregionalservicemanagerhas
theresponsibilityandtheauthoritytorecommendactioninmostcasesand
(withtheaidofrelevantdistrictservicepersonnel)willmakeeveryeffortto
conductafairreviewofthesituation.

INTRODUCTION23

Addresses

Theaddresses,telephoneandfaxnumbersoftheMackTrucks,Inc.regional
ofcesare:

UnitedStates

NortheastRegion–7900NationalServiceRoad,Mail:P.O.Box26259,
GreensboroNC27402,TEL:[phone]

SoutheastRegion–6768SouthlakeParkway,Morrow,GA30260,TEL:
[phone],FAX:[phone]

CentralRegion–900S.FrontageRd.,Suite100,Woodridge,IL60517,TEL:
[phone],FAX:[phone]

SouthwesternandWesternRegions–5605N.MacArthurBlvd.,#550,
Mail:P .O.Box165408,Irving,TX75016-5408,TEL:[phone],FAX:
[phone]

Canada

ExecutiveOfce–MackCanada,Inc.,5600ACancrossCourt,Mississauga,
ONL5R3E9,TEL:[phone],FAX:[phone]

Australia

MackTrucksAustraliaPty .Ltd.,CNRArchereldandBoundaryRoads,Mail:
P .O.Box364,Richlands,QLD4077,Australia,TEL:[phone],FAX:
61-7-3853-3392

International

7900NationalServiceRoad,Mail:P .O.Box26259,GreensboroNC27402,
TEL:[phone]

AdditionalAssistance

Ifadditionalassistanceisrequired,MackTrucks,Inc.maintainsaCustomer
ServiceDepartment(staffedbyexperiencedpersonnel)toaidcustomerswho
needinformationorassistancenotprovidedatthelocalorregionallevel.

TheCustomerServiceDepartmentphonenumberis[phone].

WhencontactingtheregionalserviceofcesorCustomerServiceDepartment,
providethefollowinginformation:

24INTRODUCTION

•VehicleIdenticationNumber(VIN)—This17-digitnumberistypicallylocated

onalabelonthedriver-sidedoorlatchpostandbehindthefrontaxleonthe
right,frontframerail.

•Modelandyearofthevehicle

•Datethatthevehiclewaspurchasedandputintoservice

•Date(s)andmileageofrepair(s)

•Dealerthatsoldand/orservicedthevehicle

•Descriptionofunresolvedservicecomplaintorinquiry

•Summaryofactiontakentodate(bythedealerandtheregionalserviceofce)

•Namesofindividuals(ifknown)contactedatthedealerandtheMackTrucks,Inc.

regionalserviceofce.

INTRODUCTION25

REPORTINGSAFETYDEFECTS

UnitedStates

Ifyoubelievethatyourvehiclehasadefectwhichcouldcauseacrash,injury
ordeath,youshouldimmediatelyinformtheNationalHighwayTrafcSafety
Administration(NHTSA),inadditiontonotifyingMackTrucks,Inc.

IfNHTSAreceivessimilarcomplaints,itmayopenaninvestigationandifit
ndsthatasafetydefectexistsinagroupofvehicles,itmayorderarecalland
remedycampaign.However,NHTSAcannotbecomeinvolvedinindividual
problemsbetweenyou,yourdistributor,orMackTrucks,Inc.

TocontactNHTSA,eithercalltheU.S.Government’sVehicleSafety
Hotlinetoll-freeat1-888-327-4236(TTY:1-800-424-9153);goto

ttp://www.NHTSA.gov;orwriteto:Administrator,NationalHighwayTrafc

h
SafetyAdministration,400SeventhStreet,S.W.,Washington,DC20590.
Youcanalsoobtainotherinformationaboutmotorvehiclesafetyfromthe
VehicleSafetyHotline.

Canada

Canadiancustomerswhowishtoreportasafety-relateddefecttoTransport
Canada—DefectInvestigationsandRecalls,maytelephonethetollfree
hotlineat1-800-333-0510,orcontactTransportCanadabymailatTransport
Canada,ASF AD,PlacedeVilleT owerC,330SparksStreet,OttawaONK1A
0N5.Foradditionalroadsafetyinformation,pleasevisittheRoadSafety
websiteathttp://www.tc.gc.ca/roadsafety/menu.htm.

Mexico

MackTrucks,Inc.deMexico,S.A.deC.V .shouldbeinformedimmediately
ifyoubelievethevehiclehasadefectthatcouldcauseavehicle
accident,injuryordeath.ContactMackTrucks,Inc.deMexicobycalling
011-52-55-50-81-68-50orbywritingto:MackTrucks,Inc.deMexico,S.A.de
C.V.,Prol.PaseodelaReforma600,1er.Piso—121,Col.SantaFePena
Blanca,C.P .01210,Mexico,D.F .WithinMexico,call01(800)9094900.

26INTRODUCTION

EVENTDATARECORDINGDEVICES

YourMACKvehicleisequippedwithadevicegenerallyreferredtoasan
"eventdatarecorder"or"EDR."Pleasenotethatwhiletheterm"eventdata
recorder"istypicallyusedthroughoutthemotorvehicleindustry,notevery
EDRisthesame;i.e.,theydonotallrecordthesamedataelements.The
EDRonyourMACKvehiclerecordsvehiclespeed,enginerpm,timeand
date,plusavarietyofpedalandswitchpositions,bothbeforeandafteran
"event."Suddenvehicledecelerationortheoccurrenceofcertainothervehicle
operationalcharacteristicswilldene(trigger)an"event."

OptionalequipmentavailableforyourMACKvehicle,suchastheEaton®
VORAD®CollisionWarningSystem,mayalsoprovideeventdatarecording
features.

IfyouhaveaquestionaboutyourEDR,pleasecontactyourMACKdealeror
regionalserviceofce.

SAFETYINFORMATION27

SAFETYST ATEMENT

MackTrucks,Inc.cannotanticipateeverypossibleoccurrencewhichmay
involveapotentialhazard.Anaccidentcanbeavoidedbyrecognizing
potentiallyhazardoussituationsbeforeadangeroussituationoccurs.
Correctlyperformedserviceproceduresarecriticalfortechniciansafetyand
safe,reliableoperationofthevehicle.

DANGER

Donotoperatetheengineinanenclosedarea.Allinternalcombustionengines
giveoffvariousfumesandgaseswhilerunning.Inhalationofexhaustfumescan
causedeath.

DANGER

Donotsitinaparkedvehicleforanyextendedamountoftimewiththeengine
runningifthereareleaksintheexhaustsystem.Exhaustfumescouldleakintothe
cabareaanddeathcanresult.Onaregularbasisinspecttheexhaustsystemfor
leaksandrepairanyleakage.

DANGER

Driverattitudeisthemostimportantpartofanyeffectivevehiclesafetysystem.
MackTrucks,Inc.stronglyencouragesalldriversandpassengerstousetheirseat
belts,drivedefensively,remainalertandrespectthespeedlimits.Manyaccidents
canalsobeavoidedthroughregularvehiclemaintenance.

DANGER

Engine-drivencomponentssuchasPowerTake-Off(PTO)units,fansandfanbelts,
driveshaftsandotherrelatedrotatingassemblies,canbeverydangerous.Donot
serviceengine-drivencomponentsunlesstheengineisshutdown.Alwayskeep
bodypartsandlooseclothingoutofrangeofthesepowerfulcomponentstoprevent
seriouspersonalinjury .BeawareofPTOengagementornonengagementstatus.
AlwaysdisengagethePTOwhennotinuse.

28SAFETYINFORMATION

WARNING

Certaineverydayproceduressuchaswashingthevehicleandcleaningthe
windshieldcanalsobehazardousbecauseofthevehicle’ sheight.MackTrucks,
Inc.doesNOTrecommendclimbinguponthevehicletoperformtheseoperations.
Instead,standonthegroundandusebrushesandsqueegeesmountedonextension
poles.Whenbetteraccessisnecessary(forinstance,whenwashingthecabroof),
usesturdyladdersheldinplacebysomeoneontheground.

WARNING

Securelooseobjects.Looseobjectsinthecaborsleepercanbedangerousina
suddenstoporonbadroads.Secureanyapplianceaddedtothevehicle,suchasa
refrigeratororaradio.

WARNING

Keepclearoffanwhenengineisrunning.Fanmaystarttorotateathighspeed
withoutwarning.

SAFETYINFORMATION29

CERTIFICATIONLABELS

SafetyCerticationLabel

NationalHighwayTrafcSafetyAdministration(NHTSA)regulationsrequire
afxingacerticationlabeltoallvehicles.

NHTSAregulationsalsorequirethatthecerticationlabelbeafxedtoeither
thehingepillar,doorlatchpostorthedooredgethatmeetsthedoorlatch
postnexttothedriverseat.Ifnoneoftheselocationsarepractical,itmaybe
attachedtotheleftsideoftheinstrumentpanelortoaninwardfacingsurface
ofthedriver-sidedoor.

IncompliancewithNHTSAregulations,yourMack®vehiclehasasafety
certicationlabelafxedinoneoftheNHTSAlocationslistedabove.This
labelmaybeeitheranIncompleteVehicleand/orCompletedVehiclelabel.
Bothlabelsaredescribedbelow.

IncompleteVehicles

C0028955

Achassis-cabisanincompletevehiclewithacompletedoccupant
compartmentthatrequirestheadditionofcargo-carrying,work-performingor
load-bearingcomponentstoperformitsintendedfunctions.

Thechassis-cabmanufacturermustafxalabeltotheincompletevehiclein
oneoftheNHTSAlocationslistedabove.Thislabelprovidesthechassis-cab
dateofmanufacture,VINandvehiclecerticationinformation.

30SAFETYINFORMATION

CompletedVehicles

InadditiontothelabelsuppliedbyMackTrucks,Inc.asthechassis-cab
manufacturer,aCompletedVehiclecerticationlabel,suppliedbythebody
manufacturer,isafxedinthesamegenerallocation.Thislabelprovides
informationpertainingtoGrossVehicleWeightRating(GVWR),GrossAxle
WeightRating(GAWR),tireandriminformation,etc.

OnMACK-completedvehicles,thislabelcontainsthedateofmanufacture,
VIN,GVWR,GAWR,andtireandrimdata.ItisfoundinoneoftheNHTSA
locationslistedabove.

C0028956

SAFETYINFORMATION31

ADVISORYLABELS

ThroughoutthisbookyouwillndparagraphslabeledDanger ,Warning,
Caution,NoteandServiceHint.Danger,CautionandWarninglabelsare

alsofoundinvariouslocationsonthevehicletoalertdrivers,operatorsand
servicetechnicianstosituationswhichcancausepersonalinjuryorequipment
damage.ThelabelsshownareapplicabletotheMack®T erraPro™MRU
modelchassisatthetimeofpublicationandarerepresentativeofwhatcanbe
typicallyfoundonaMack®TerraPro™MRU.(Yourvehiclemaynotcontainall
ofthelabelsillustratedinthishandbook.)Theselabelsareforyourbenet.
Pleaselookthroughthissectionandnotethelabels,theirlocationsandwhat
theyexplain.Besuretoreplaceanylabelthatisdamaged.

AdvisoryLabelLocations(OnVehicle)

LabelsFoundonChassis

C0029676

32SAFETYINFORMATION

C0029677

SAFETYINFORMATION33

C0029678

34SAFETYINFORMATION

LabelsFoundonDriver-SideSunVisor

C0029679

LabelsFoundonInstrumentPanel

SAFETYINFORMATION35

C0029017

LabelsFoundonWindshield

Note:Labeltoberemovedupondeliverytotheenduser.Referto“BRAKE
OPERATION”,page128intheOPERA TIONsectionforadditionalinformation.

C0029018

36SAFETYINFORMATION

EatonControlledTractionDifferentialLabel

LabelsFoundonFuelTank

C0029020

C0029021

PTOSafetyLabel(IfEquipped)

SAFETYINFORMATION37

C0029680

IfthechassisisequippedwithaPTO,thesafetylabelislocatedonthe
instrumentpanel,onthebottomofgaugePanelE.

FordetailedinstructionsontransmissionandPTOshiftsequences,referto
theOPERA TIONsectionofthishandbookbeginningon“POWERTAKE-OFF
(PTO)OPERA TION”,page157.

38SAFETYINFORMATION

BackUpAlarm(Optional)

Yourchassismaybeequippedwithanoptionalbackupalarm.Ifso,the
followinglabelwillappearinsidethecab.

C0029681

SAFETYINFORMATION39

TRUCK-TRACTORCONSPICUITY

Tomakethevehiclemoreconspicuouswhenapproachedfromtherear(in
timeswhenvisibilityisreduced),alltruck/tractorsbuiltonorafterJuly1,1997
havereectivedevicesappliedontherearofthecabandonthemudapsor
mudaphangerbracketsifmudapsormudaphangerbracketsaresupplied
fromthefactory .Ifmudapsormudaphangerbracketsarenotsuppliedfrom
thefactory ,reectivedeviceswillbeappliedontherear,lowerportionofthe
cab.Refertotheillustration.Locationsofthesereectivedevicesmayvary
fromthisillustration,dependingonthecabmodeland/orequipmentadded
totherearofthecab.

C0029023

1.WhiteReectiveDevicesBackof
Cab

2.RedandWhiteReectiveDevices
(whennotequippedwithmudaps
andbrackets)

Note:Thetruck-tractorconspicuitystandardisintendedtomakethetractorasvisible
asthetrailerwhenthetrucktractorisbeingoperatedinabobtailcondition.

3.RedandWhiteReectiveDevices
onMudapsorHangerBrackets

40SAFETYINFORMATION

CABENTRY/EXIT

Three-LimbContact

WARNING

Whenenteringorexitingacab,thedriverand/orpassengermusthaveatleast
threelimbsincontactwiththevehicleorgroundatalltimes.Thismeansthata
minimumoftwohandsandonefoot,oronehandandtwofeetmustbeinFIRM
contactwiththevehicleorground.

WARNING

Whenenteringorexitingthecab,beawareoftheconditionofthestepsand
handrails.Cleananyfuel,oilorgreaseoffofthestepsbeforeenteringthecab.
Duringcoldweatheroperation,iceandsnowmayaccumulateandshouldbe
cleanedofftopreventslipping.

Duringcold,wetconditionswhenice,slush,orsnowmayaccumulateonthe
cabdoorstepandotherexternalsurfaces,extracautionmustbeobserved
whenenteringorexitingthecab.

SAFETYINFORMATION41

WARNING

GUIDELINESFORENTERINGANDEXITINGTOA VOIDSERIOUS
INJURY

•FacethecabwhenenteringANDexiting.

•Placepapers,coats,etc.,incabBEFOREentering.TakeoutAFTERexiting.
Keephandsfreetogriphandholds.

•Keephandsandshoesclean.Checkhandsandshoesforgrease,mud,etc.,
BEFOREenteringorexiting.

•Keep3limbs(2handsand1footor1handand2feet)inFIRMcontactwithsteps
andhandholdsatALLtimes.

•Besureofwhereyoustepandgrabthehandholds.Keeptheareasclean.

•BeEXTRAcarefulinrainy,snowy,etc.,weather.

•DoNOTjumpfromvehicle.

Note:Theillustrationsonthefollowingpagesaretypicalforpurposesofemphasizing
asafemethodforhand/footplacementandmovementduringcabentry/exit.Y our
vehiclemaynotlookexactlyliketheonepictured.

Note:Thearrowsintheillustrationsareintendedtoshowmovement.Noticethat
three-limbcontactismaintainedevenwhenonefoot,oronehand,ismoving.

42SAFETYINFORMATION

DriverSide

Thefollowingcabentryandexitprocedures,alongwiththesafetyguidelines
outlinedinThree-LimbContactearlierinthissection,shouldbeusedwith
thisMACKvehicle.

Entry

Theseentryproceduresareillustratedonthefollowingpage:

1Withbothfeetrmlyontheground,grabtheoutsidehandholdwithyourright

handandtheinsidehandholdwithyourlefthand.Thenraiseonefoottothe
bottomstep.(Seegure1.)

2Maintainarmgriponthehandholdsandraiseyourotherfoottothetopstep.

(Seegure2.)

3Whilestillgrippingthehandholds,raiseonefoottothecaboor.(Seegure3.)

4Moveyourrighthandtothesteeringwheel.Bringtheotherfootinsidethecab

andsitdown.(Seegure4.)

Exit

Toexit,followtheillustrationsinreverseorder:

1Withyourrighthandgrippingthesteeringwheelandyourlefthandgrippingthe

insidehandhold,standupandfacetheinsideofthecab.Moveonefoottothe
topstep.(Seegure4.)

2Moveyourrighthandtotheoutsidehandhold.Withonefootrmlyonthetop

step,lowertheotherfoottothebottomstep.(Seegure3.)

3Maintainingarmgriponbothhandholds,lowertheotherfoottotheground.

(Seegure2.)

4Withbothhandsstillrmlygrippingthehandholds,lowertheotherfoottothe

ground.(Seegure1.)

SAFETYINFORMATION43

C0029682

44SAFETYINFORMATION

PassengerSide

Thefollowingcabentryandexitprocedures,alongwiththesafetyguidelines
outlinedintheThree-LimbContactsection,shouldbeusedwiththisMACK
vehicle.

Entry

Theseentryproceduresareillustratedonthefollowingpage:

1Withbothfeetrmlyontheground,grabtheoutsidehandholdwithyourlefthand

andtheinsidehandholdwithyourrighthand.Thenraiseonefoottothebottom
step.(Seegure1.)

2Maintainarmgriponthehandholdsandraiseyourotherfoottothetopstep.

(Seegure2.)

3Whilestillgrippingthehandholds,raiseonefoottothecaboor.(Seegure3.)

4Moveyourlefthandtothecabinterior .Bringtheotherfootinsidethecabandsit

down.(Seegure4.)

Exit

Toexit,followtheillustrationsinreverseorder:

1Withyourlefthandgrippingthecabinteriorandyourrighthandgrippingthe

insidehandhold,standupandfacetheinsideofthecab.Moveonefoottothe
topstep.(Seegure4.)

2Moveyourlefthandtotheoutsidehandhold.Withonefootrmlyonthetopstep,

lowertheotherfoottothebottomstep.(Seegure3.)

3Maintainingarmgriponbothhandholds,lowertheotherfoottotheground.

(Seegure2.)

4Withbothhandsstillrmlygrippingthehandholds,lowertheotherfoottothe

ground.(Seegure1.)

SAFETYINFORMATION45

C0029683

46SAFETYINFORMATION

DeckPlateAccess

Theremaybeatimewhenyouwillneedtoclimbupbehindthecab.Ifyour
vehicleisequippedwithadeckaccesspackage,stepsandahandholdare
providedsoyoucangettothisareasafely.ReviewtherulesintheThree-Limb
Contactsectionbeforeclimbingbehindthecab.

ClimbingUp

Theseproceduresareillustratedonthefollowingpage:

1Grabthehandholdwithbothhands.Thenmoveonefoottothebottomstep.(See

gure1.)

2Whilestillgrippingthehandhold,andwithonefootplantedrmlyonthebottom

step,moveyourotherfoottothemiddlestep.(Seegure2.)

3Thenwithonefootplantedrmlyonthemiddlestep,movetheotherfoottothe

topstep.(Seegure3.)

4Finally,moveyourotherfootfromthemiddlestepontothedeckplate.(See

gure4.)

ClimbingDown

Toclimbdownfrombehindthecab,followtheillustrationsinreverseorder:

1Grabthehandholdwithbothhandsandmoveonefoottothetopstep.(Seegure

4.)

2Whilermlygrippingthehandhold,andwithonefootonthetopstep,moveyour

otherfoottothemiddlestep.(Seegure4.)

3Thenwithonefootplantedrmlyonthemiddlestep,placetheotherfootonthe

bottomstep.(Seegure3.)

4Withbothhandsstillgrippingthehandhold,moveyourotherfootfromthemiddle

steptotheground.(Seegure2.)

5Finally,movefootfrombottomsteptotheground.(Seegure1.)

SAFETYINFORMATION47

C0029684

48SAFETYINFORMATION

SAFETYTIPSFORCOLDWEATHEROPERA TION

DriverVisibility

Poordrivervisibilityisnotonlyannoying,butextremelyunsafeunderany
circumstance.Withoutpropermaintenanceofvisibility-relatedcomponents,
adverseweatherconditionssuchasrain,snowandfrostcanseriouslyreduce
visibility.Taketimebeforewinterarrivestocheckthefollowing:

•WindshieldWipers

―Checkwindshieldwiperoperationandspeeds.

―Inspectconditionandtravelofblades.Installnewrellsforanybladesthatare
cracked,brittle,torn,orcoatedwithroadoilalongthewipingedge.

•WindshieldW ashers

―Checkoperationofwindshieldwasher .

―Inspectsystemhosesandreplaceifbrittleorworn.

―Inspectwasherreservoir.Drainandushifdirtparticlesareevidentinwasher
solution.

―Fillreservoirwithcommerciallyavailablenon-freezingtypewasheruid.

CAUTION

DoNOTllreservoirwithwateronly.Eventhoughnon-freezingtypewasheruid
isrecommended,donotattempttoclearthewindshieldoficebyactivatingthe
windshieldwasherandwipers.Iceaccumulationsshouldberemovedmanually
byusingascraper.

SAFETYINFORMATION49

•Heater/Defroster

―Checkoperationandblowersforspeedcontrol,noiseandtemperature.

―Inspectheatercoreforsignsofcorrosionand/orleakage.

―Checkthatthedefrosterblenddoorisoperatingcorrectlyandthatallducting
isconnectedproperly.

―Besurethatventsarenotobstructedbydebrisorotherobjects.

CabDoorSealsandKeyLocks

Hollow-corerubberweathersealsaroundsomecabdoorsmaylosetheir
resilienceinextremelycoldtemperatures(i.e.,–40°C/–40°Fandbelow).
Undertheseconditions,itmaybenecessarytodrillholestopenetrate
thehollowcore.Thisallowsentrappedairtoescape,therebyeasingthe
opening/closingofcabdoor(s).

Besuretokeepthekeylockscleananddrytopreventoccasionalwinter
freeze-up.Useofantifreezelubricantsisneitherrequirednorrecommended.

OutsideMirrorHeater

Inareasoffrequentsnowfallandice,itmaybebenecialtoinstallheated
mirrorswhichwilldefrostandde-icecabmirrors.Heatedmirrorseliminatethe
needtopulloffthehighwayandstandontheroadsidetoscrapeiceandsnow
fromthemirrorsduringwinterdrivingconditions.Heatedmirrorsareavailable
eithercabmountedorfendermounted.

C0029132

50SAFETYINFORMATION

AirHornSnowShield

Installationofanairhornsnowshieldisrecommendedtopreventsnowfrom
cloggingtheairhornbell(maintainingmaximumsoundoutput).

C0029133

EmergencyReectorKit

Allon-roadvehiclesarerequiredtohaveanemergencyreectorkit.

Ifthekitisinstalledfromthefactory,itincludesredreectortrianglesandcan
bestoredinoneofthefollowinglocations:

•Inboardsideofriderseat

•Left-handluggagecompartmentofsleeperbox

•Betweenriderseatandridersidedoor

FireExtinguisher(Optional)

Yourvehiclemaybeequippedwithareextinguisherwhichislocatedinside
yourcab.Checkyourreextinguisherregularlytomakesureitisfullycharged.

INSTRUMENTSANDCONTROLS51

CABINTERIOR

1.TurnSignal,HazardSwitchand
HI/LOBeam

2.InstrumentPanels4.FootPedals

C0029685

3.CabClimateControlPanel

52INSTRUMENTSANDCONTROLS

INSTRUMENTP ANEL

Tell-Tales

Atell-taleisadisplaythatindicatestheactuationofadevice,acorrector
defectivecondition,orafailuretofunction.

Theoperatorshouldbecomefamiliarwiththesesymbolsinordertorecognize
andreact(ifnecessary)totheindicatedcondition.T ell-talesymbolsareshown
intheinstrumentpanelillustrationsonthefollowingpages.

Colors

Topromotevisualrecognitioninternationally ,speciccolorsfortell-tales
havebeenestablished.Unlessgovernmentalregulations(intheareawhere
thevehicleistobeused)orengineeringdirectivesspecifyotherwise,the
standardcolorsare:

•Blue–high-beamheadlights/enginemaintenance

•FlashingGreen–turnsignals

•FlashingRed–hazardconditioninvolvingthesafetyofpersonnel

•SteadyGreen–systeminoperation

•SteadyRed–warning,immediateactionrequired

•Amber–earlywarning,suchaslowfuelorAnti-LockBrakeSystem(ABS)
malfunction

PanelArrangement

Yourviewfromthedriverseatshouldlooksomethingliketheillustrations
shown.Thelayoutisdesignedtoprovidetheoperatorwithagoodviewofthe
gaugesandcontrols(whichareplacedsotheyarewithineasyreach).The
instrumentpanel,asshowninthefollowingdrawing,isbrokendowninto
severalmainsections.Foreasyidenticationwerefertothem,fromleftto
right,asPanelsA,B,C,D,EandF(wherenecessary).

Note:Thissectionshowstheinstrumentsandcontrolsavailableforthisvehicleatthe
timeofpublication.However,dependingonoptions,yourvehiclemaynothaveall
theinstrumentsandcontrolsshownhere,andtheymaynotbeinthesameposition.

INSTRUMENTSANDCONTROLS53

INSTRUMENTPANELGAUGELAYOUT

PanelA

C0029686

1.LightControlPanel

C0029687

54INSTRUMENTSANDCONTROLS

PanelB

2.CoolantTemperatureGauge8.TurnSignalIndicator

3.T achometer

4.OilPressureGauge

9.TransmissionOilT emperature
Gauge

10.Voltmeter

W3056180

5.Warning/IndicatorLampPanel

6.Speedometer/Odometer

7.HighBeamIndicator

11.ModeButton

12.HourMeter

PanelC

INSTRUMENTSANDCONTROLS55

13.OptionalSwitch18.CabClimateControlPanel

14.HandControlBrakeLever(If
Equipped)

15.OptionalSwitch20.AirPressureGauge

16.OptionalSwitch

17.AirV ent

19.Fuel/DEFGauge

21.ParkBrakeV alve

22.IgnitionSwitch

W3055681

56INSTRUMENTSANDCONTROLS

PanelD

C0029690

23.WindshieldWiper/WasherControl
Switch

24.DPFSmartSwitch(IfEquipped)28.OptionalSwitch

25.SpeedControlSwitch29.OptionalSwitch

26.Resume/SetSwitch30.OptionalSwitch

27.OptionalSwitch

PanelE

INSTRUMENTSANDCONTROLS57

C0029691

31.AirFilterRestrictionIndicator(If
Equipped)

32.ExhaustPyrometer(IfEquipped)34.PushButtonStart(IfEquipped)

1.LightControlPanel—SeetheLIGHTCONTROLPANELsectionfor
moreinformation.

2.CoolantTemperatureGauge—Indicatesthetemperatureoftheengine
coolant.ThenormaloperatingtemperatureforMACKMPenginesisbetween
77°Cand107°C(170°Fand225°F).Thedriverwillreceiveawarningif
coolanttemperaturereaches223°Fandengineshutdownwilloccurat227°F
iftheenginecoolanttemperatureshutdownoptionisenabled.

33.AccessoryPowerOutletorCigar
Lighter

CAUTION

CoolanttemperaturemustNOTexceed107°C(225°F).

3.Tachometer—Indicatesenginespeedinrevolutionsperminute(RPM).
Tachometerreadingsshouldbeusedasaguideforshifting,aswellasto
preventenginedamageduetooverspeed.Thebluebandindicatesthe
optimumrangeforenginebrakeoperation.

4.OilPressureGauge—Indicatesengineoilpressure.Thenormal
operatingoilpressureforaMACKMPengine(atgovernedspeed)isbetween

275.8and620.5kPa(40and90psi).Atidlingspeed,theoilpressureshould
bebetween275.8and413.9kPa(40and60psi).

58INSTRUMENTSANDCONTROLS

Shouldtheoilpressuredropsuddenlyfromnormalreadings,stoptheengine
immediatelyanddeterminethecause.

5.Warning/IndicatorLampPanel—Itemslistedbelowfromlefttoright
andtoptobottom.

W3056178

DetailofWarning/IndicatorLightPanel

•OptionalT ell-T ales

•MalfunctionIndicatorlamp(MIL)—MILindicatesgovernmentRegulation
OnBoardDiagnostics(OBD)faults.Lampremainsactiveafterrepairuntil
systemoperationconrmsrepair.

•ElectronicMalfunctionIndicator(Amber)—IlluminateswhenV-MAC®
detectsanelectronicmalfunction.RefertotheappropriateV-MAC®
Operator’sGuidefordetails.

•EngineShutdownIndicator(Red)—Indicatestheoccurrenceofa
conditionwhichrequiresthattheenginebeshutdown(i.e.,lowwaterlevel,
lowoilpressureorhighwatertemperature).Iftheengineshutdownfeature
isenabled,theoperatorhasabout15secondsafterthelightgoesontopull
tothesideoftheroadbeforetheengineshutsoff.Iftheengineshutdown
featureisdisabled,theindicatorwillfunctionasawarninglightbuttheengine
willnotshutdown.

•OptionalT ell-T ales

•AftertreatmentDEFtankLowLevelIndicator(DEF)—Illuminateswhen
theuidlevelislow.ItalsoFlasheswhenthelevelbecomescriticallylow.

•ReverseIndicator—IndicatesthatthetransmissionisinReverse.

•OptionalT ell-T ales

INSTRUMENTSANDCONTROLS59

•LowAirPressureWarningIndicator—Indicateslowairpressureintheair
brakesystem(s).Thisfeaturemayalsocomewithabuzzer.

•ParkingBrakeIndicator—Indicatesthattheparkingbrakeisengaged.

•OptionalT ell-T ales

•HESTIndicator(Amber)—TheHighExhaustT emperature(HEST)indicator
isdisplayedwhentheexhausttemperaturereaches300°C(572°F)andthe
regenerationprocessbegins.Whentheregenerationprocessiscompleted,
theengineshouldbeallowedtorununtiltheHESTindicatorshutsoff.

Duringregenerationwhilethevehicleismoving,theHESTindicatorwillonly
illuminatewhenvehiclespeedislessthan8kph(5mph).

Duringaparkedregeneration,theHESTindicatorwillturnoffwhen
regenerationiscompleteandtheexhausttemperaturehasreturnedtoa
normaltemperature.

C0029146

HESTIndicator

•NeutralIndicator—IndicatesthatthetransmissionisinNeutral.

•OptionalT ell-T ales

•Anti-LockBrakeSystem(ABS)Indicator(Amber)—IndicatesanABS
malfunction.Alsoilluminatesmomentarilyasabulbcheckwhentheignition
isturnedon.Ifthelightturnsonandstayson,amalfunctionisindicated.If
thelightdoesnotturnonwhentheignitionisturnedon,thebulbandthe
powersourcemaybedefective.Foradditionalinformationonoperatingan
ABS-equippedvehicle,referto“Anti-LockBrakeSystem(ABS)”,page130,
intheOPERA TIONsection.

Note:WhenanABSmalfunctionisdetected,anti-lockbrakingintheaffectedwheel
willbedisabledandnormalbrakingwillreturn;theotherwheelswillretainanti-lock
braking.

•AutomaticT ractionControl(ATC)Indicator—IndicatesthatA TCis
operating.

•OptionalT ell-T ales

•AftertreatmentDPFRegenerationRequiredIcon—Flasheswhenthe
DieselParticulateFilterisbecomingfull/overfulandregenerationisneeded.

60INSTRUMENTSANDCONTROLS

•CheckTransmissionWarningIndicator(IfEquipped)—Onlypresenton
vehiclesequippedwithautomatictransmission.

•OptionalT ell-T ales

•Right-HandOperationIndicator—Indicatesthataright-handdrivemode
hasbeenenabled.

•MaintenanceDueIndicator—Indicatesthatamaintenancealerthasbeen
issued(maintenanceisdue).

•OptionalT ell-T ales

•AftertreatmentDPFRegenerationInhibitIcon—Illuminateswhenthe
inhibitswitchisturnedon.Itwillallowthedrivertoknowthattheswitchisina
inhibitpositionandaregenerationwillnotoccur.

•ForcedNeutralIndicator—IlluminateswhenPTOisengagedandthe
truckisnotmoving.

•FuelFilterRestriction(IfEquipped)

•AirFilterRestriction(IfEquipped)

•PredictiveOilChange(IfEquipped)

•EngineOilLevelIndicator—Ifilluminated,immediatelycheckthelevelof
yourengineoil.

•WaterinFuelIndicator(IfEquipped)—Illuminateswhenwater
accumulatesintheprimaryfuelltersedimentbowl.Stoptheengineand
drainthefuelfromthesedimentbowl.

6.Speedometer/Odometer—Indicatesroadspeedinmilesand/or
kilometersperhourandtotaldistancevehiclehastraveled.

7.HighBeamIndicator(Blue)—Indicatesthathighbeamsareon.

8.T urnSignalIndicators—Flashgreenwhentheturnsignalsareactivated.

9.TransmissionOilTemperatureGauge(IfEquipped)—Indicates

transmissionoiltemperature.

10.Voltmeter—Indicatesthesurfacechargeofthebatterywiththeengine
NOTrunning(andtheignitionON).Indicatestheconditionofchargingsystem
withtheenginerunning.

Thevoltmetercanbeusefulasadiagnostictool.Duringcranking,thereading
shouldnotdropbelow10volts.Lowerreadingsmayindicatecorroded
connectionsatthecrankingmotororbatteryterminals,ordischargedor
defectivebatteries.

INSTRUMENTSANDCONTROLS61

11.ModeButton—Usingthisbuttonwilldisplaydiagnostictroublecode

informationandtripdistanceintheodometer.Whenyoupressandholddown
thisbutton,thedisplaywillgothroughagaugeselftest.Aftertheselftestis
complete,diagnostictroublecodeinformationwillbedisplayed,byMID,inthe
speedometer/odometerscreen.WhentherstMIDisdisplayed,pushthe
Modebuttonagaintodisplaythe1stdiagnostictroublecodeforthisMID.
AttheendofthediagnostictroublecodelistforeachMID,"CLEAR"willbe
displayed.YouhavetheoptionheretoclearthecodesforthisMID.Ifyou
choosetodoso,pressandholdtheModebutton.Oncethecodesarecleared
forthisMID,thenextMIDwillbedisplayed.

Bypressingthisbuttononce(NOTholdingitdown),informationforTrip1
distancewillbedisplayed.PressandholdtheModebuttontoclearTrip1
information.

Bypressingthisbuttontwice,informationforTrip2distancewillbedisplayed.
PressandholdtheModebuttontoclearTrip2information.

12.HourMeter—Indicateshoursofengineoperation.Hoursofoperation
shouldbeusedasaguideforcertainengineorPTOmaintenanceoperations.

13.OptionalSwitch—See“FunctionofOptionalSwitches”,page71.

14.Hand-ControlBrakeLever(IfEquipped)—Pulldowntoactivatethe

trailerbrakes,ortherearaxlebrakesinthecaseofaplatformtruck.

Note:Thereareonlytwoinstanceswhenthefeatureshouldbeused:(1)momentary
brakeapplicationatastopsign,light,etc.,or(2)toapplythetrailerbrakeswhile
slidinga5thwheel.

WARNING

Thehand-controlbrakesystemmustNOTbeusedforparking.DoNOTuse
toapplyservicebrakeswhilevehicleisinmotion.Donotleavethevehicle
whilehand-controlbrakeisapplied.

15.OptionalSwitch—See“FunctionofOptionalSwitches”,page71.

16.OptionalSwitch—See“FunctionofOptionalSwitches”,page71.

17.AirV ent—Rotatetheknobtoopenorclosetheairvent.

18.CabClimateControlPanel—SeetheCABCLIMATECONTROL

sectionformoreinformation.

19.Fuel/DEFGauge—RegistersthefuelandDEFlevelsinthesupply
tank(s).

62INSTRUMENTSANDCONTROLS

CAUTION

ThemaximumsafeoiltemperatureforMACKtransmissionsis121°C(250°F)for
mineral-basedoil,or148°C(300°F)forsyntheticoil.Continuedoperationwith
oilabovethistemperaturewillcauserapiddeteriorationoftheoil’ slubricating
propertiesandisNOTrecommended.Consultthevendormanualfornon-MACK
components.

20.AirPressureGauge—Indicatestheairpressureintheairbrake
system(s).Thenormaloperatingairpressureisbetween759kPa(110psi)
and897kPa(130psi)inbothairbrakesystems.Ifpressuredropsbelow75
psi(±5psi)ineithersystem,thewarningbuzzerandwarninglightwillgo
on.Determinethecauseoffailurebeforeproceeding.Primaryairpressure
issuppliedtotherearbrakesandisindicatedbythegreenpointeronthe
gauge.Secondaryairpressureissuppliedtothesteeringaxlebrakesand
indicatedbytheorangepointer.

21.ParkBrakeValve—Yellowdiamond-shapedknob.Pulltoapply.Pushto
release.Appliestheparkingbrakes.

Note:TheparkingbrakeDRLallowsthedaytimerunninglightstobeoffwhilethe
concretepumperisinoperation.

22.IgnitionSwitch—RefertoST ARTINGTHEVEHICLEintheOPERA TION
sectionforspecicstartingprocedures.Insertthekeyintotheswitch.Turn
thekeyclockwisetotheONposition.T ocranktheengine,turnthekey
clockwiseorpushtheoptionalstarterbutton.T oshutdowntheengine,turn
thekeytotheleft.

23.WindshieldWiper/WasherControls—DepresstheON/OFFbuttonto
turnthewindshieldwipersonoroff.Pullthebuttonuptomakethewipers
faster,pushthebuttondowntomakethewipersslower.Depressthe"WASH"
buttontoactivatethewasheruid.

C0029692

INSTRUMENTSANDCONTROLS63

24.DPFSmartSwitch(IfEquipped)—Thisisathree-positionswitchwhere

themiddlepositionisneutral.

C0029592

1.UpperPosition—Regeneration
Position

2.MiddlePosition—NeutralPosition

3.DownPosition—InhibitPosition

Regeneration

"Moving"regenerationoccurswhilethevehicleisbeingdrivenandis
automatic(nooperatorinputneededtostartregeneration)ormanual
(operatorinputneededtostartregeneration).Theoperatorisnotiedthata
regenerationisneededwhentheiconsontheDPFSmartswitchilluminate
(refertoFigurelistedbelow).

Note:Duringvehicleoperation,idlespeedmayincreasewhenthevehicleisstopped
atatrafclighttomaintainproperAftertreatmentDPFRegenerationconditions.

(ManualMoving)Regeneration(IfAvailable)

1WhentheiconsontheDPFSmartswitchlightup,maintainvehiclespeedand

pressandholdthetoppartoftheswitchmomentarily.

2Duringregeneration,theiconsontheswitchwillshutoff.

3Regenerationwilltakebetween45to60minutestocomplete.

4Tostopregeneration,presstheswitchdowntotheinhibitposition.Whenthe

bottomoftheswitchisilluminated,regenerationisstopped.Theswitchwill
remainlockedinthispositionandthelightwillstayilluminated.Thedriverhas
theoptionofstoppingaregenerationifthevehicleisinanareawhereelevated
exhausttemperatureswillposeahazard(i.e.,tunnel,undertrees,inanareawhere
thereisammablematerial,etc.).

64INSTRUMENTSANDCONTROLS

Dependingonthevehicle’ssetup,itmaybepossibletoperformaparked
regenerationifnecessary .

INSTRUMENTSANDCONTROLS65

ParkedRegeneration(IfNeeded)

Parkedregenerationallowstheoperatortostartand/orstoptheregeneration
manuallywhenthevehicleisparkedandtheengineisidling.Theoperatoris
notiedthataregenerationisneededwhentheiconsontheDPFSmartswitch
illuminate.Theoperatorshouldperformtheregenerationassoonaspossible.

PleaserefertotheinstructionsbelowonhowtousetheDPFSmartswitchfor
parkedregenerations.

1.Movethevehicletoasafelocation,applytheparkbrakeandallowthe
enginetoidle.

WARNING

Whenaregenerationisinprocess,thetemperatureoftheexhaustwillbe
elevated.DONOTparkthevehiclewiththeexhaustoutletunderlowhanging
overheadammableobjectssuchastrees,awnings,etc.,thatcouldbedamaged
byelevatedexhausttemperatures.DONOTattempttoregenerateinsidea
garageorenclosedareaifthetailpipeisattachedtoanexhaustventilation
systemasthehosematerialmaynotberatedforthehightemperature.

2.PressandholdthetoppartoftheDPFSmartswitchmomentarilytoinitiate
theregeneration.

3.Duringregeneration,theiconsontheswitchwillshutoff.TheHEST
indicatorontheinstrumentclusterwilllightuptonotifyofhighexhaust
temperatures.

4.Enginespeedwillrampashighas1,300rpm.

5.Regenerationwilltakebetween45to60minutestocomplete.

6.Afterregenerationhascompletedandtheexhausttemperaturehas
returnedtonormal,theHESTindicatorwillshutoff.

7.T ostopregeneration,presstheswitchdowntotheinhibitposition.When
thebottomoftheswitchisilluminated,regenerationisstopped.Theswitch
willremainlockedinthispositionandthelightwillstayilluminated.Thedriver
hastheoptionofstoppingaregenerationifthevehicleisinanareawhere
elevatedexhausttemperatureswillposeahazard(i.e.,tunnel,undertrees,in
anareawherethereisammablematerial,etc.).

66INSTRUMENTSANDCONTROLS

CAUTION

Failuretoperformaregenerationinatimelymannerafternoticationmayresult
inenginederate,acloggeddieselparticulatelter,damagetothelterandengine
shutdown.

DANGER

Duringtheregenerationprocess(witheithersystem),thetemperatureof
theexhaustgaseswillbeelevated.DONOTparkorstopforanextended
periodunderlowhangingoverheadammableobjectssuchastrees,awnings,
structures,etc.,thatcouldbedamagedbyelevatedexhausttemperatures.
Further,ifthevehicleisbeingoperatedinanareawhereammablevaporsexist,
theregenerationprocessmustbeinterrupted.Failuretoheedthesecautionsmay
resultinreorexplosioncausingseriouspersonalinjuryordeath.

Whenregenerationisneeded,aniconatthetopoftheDPFSmartswitchwill
illuminatetonotifythevehicleoperator.TheDPFSmartswitchallowsthe
vehicleoperatortoeitherstoporstartregeneration.(Certainconditionsmust
bemet,however,beforeregenerationcanbemanuallystarted.)

Note:Ifthevehicleisinalocationthatmaybehazardouswhenanactiveregeneration
begins(i.e.,incloseproximitytoammablematerialsorgases),theregeneration
shouldbestoppedbypushingtheDPFswitchtothe"StopRegeneration"position.
Ifanactiveregenerationisstoppedbythevehicleoperator,itshouldbeinitiatedata
latertimewhenthevehicleisinasafelocation.However,ifanactiveregenerationis
stoppedthevehiclemayneedtobetakentoaMACKservicefacility.Theservice
facilitywilluseaservicetooltomanuallyinitiatetheregeneration.

WARNING

Thetemperatureoftheexhaustsystemcomponentsduringtheregeneration
processcanexceed500°C(1000°F).Variousfactors(includingambient
temperatureanddurationoftheregenerationprocess)determinewhenthese
componentswillreturntonormaloperatingtemperatureafterregeneration
hascompleted.Beextremelycarefularoundthesehotcomponents.Contact
withthesecomponentscanresultinseriouspersonalinjury.

INSTRUMENTSANDCONTROLS67

CAUTION

Whentheinhibitpositionispressed,theswitchwillremaininalockedposition.It
isimportant,therefore,toimmediatelysettheswitchbacktotheneutralposition
whensafetodoso.Failuretosettheswitchbacktotheneutralpositionmayresult
inanenginederate,cloggeddieselparticulatelterordamagetothelter .

DPFINHIBITROADSPEEDLIMITING(RSL)

TheDPFSmartSwitchcanbelockedintotheDOWN(orInhibitRegen)
positionbythedriver.IftheDPFSmartSwitchremainsinthelockedposition,
thefollowingvehiclespeedlimitingwilloccur:

1VehicleMoving.IfvehicleismovingwiththeDPFSmartSwitchinthelocked

(DOWN)position,thevehiclespeedwilldecreasedownto16kph(10mph)below
thecurrentspeeduntilthedriverreleasestheswitchbacktotheneutral(MIDDLE)
position.

2VehicleStationaryandthenMoving.IfthevehicleisstationarywiththeDPF

SmartSwitchinthelocked(DOWN)positionandthedriverthenbeginstomove
thetruck,thevehiclespeedwillbelimitedto16kph(10mph)untilthedriver
releasestheswitchbacktotheneutral(MIDDLE)position.

68INSTRUMENTSANDCONTROLS

Thefollowinglabelislocatedonthedriver-sidesunvisorwhichprovides
additionalinstructionsontheexhaustaftertreatmentsystem.

FormoreinformationontheDPFSmartSwitch,pleaserefertotheV-MAC®

IVOperator’sGuide

W8029446

INSTRUMENTSANDCONTROLS69

25.SpeedControlSwitch—ThisisaV-MAC®switch;refertotheapplicable

V-MAC®Operator’sGuideformoreinformation.

26.Resume/SetSwitch—ThisisaV-MAC®switch;refertotheapplicable
V-MAC®Operator’sGuideformoreinformation.

C0029150

C0029211

27.OptionalSwitch—See“FunctionofOptionalSwitches”,page71.

28.OptionalSwitch—See“FunctionofOptionalSwitches”,page71.

29.OptionalSwitch—See“FunctionofOptionalSwitches”,page71.

30.OptionalSwitch—See“FunctionofOptionalSwitches”,page71.

31.AirFilterRestrictionIndicator(IfEquipped)—Indicatesthatthe

elementneedsservicingorreplacement.Whentheredaglocksintoposition,
serviceassoonaspossibletopreventenginedamage;thenresettheindicator
afterthelterchange.Checktheairlterrestrictionindicatordaily.

32.ExhaustPyrometer(IfEquipped)—Indicatesthetemperatureof
exhaustgasatinletofdieselparticulatelterassembly.Thishelpsthe
operatorselectthepropergearforloadandgradeconditions,therebyavoiding
excessiveexhausttemperatures.Themaximumoperationtemperatureis
shownonthenameplateofthepyrometerglass.

70INSTRUMENTSANDCONTROLS

CAUTION

DoNOTexceedthemaximumexhausttemperatureindicatedbytheredlineon
thegauge.Toreduceexhausttemperature,downshiftorreduceenginepower .If
operatingincoldclimateswithawinterfront,openthewinterfront.

33.AccessoryPowerOutlet—SeeinstructionsunderAccessoryPower
OutletslistedintheInstrumentandControlsSectionofthismanual.

OR

CigarLighter—Pressinthelighter;itwillpopoutwhenelementishot.

CAUTION

Maximumamperageforthein-dashcigarlighteris10amps.DoNOTusethecigar
lighterreceptacletopoweraccessoriesratedhigherthan10amps.

34.Push-ButtonStartSwitch(IfEquipped)—AfterturningtheignitionON,
depressthisbuttonuntiltheengineres.See"STARTINGTHEVEHICLE"in
theOPERA TIONsectionofthismanualforspecicstartinginstructions.

FunctionofOptionalSwitches

INSTRUMENTSANDCONTROLS71

C0029693

1.AirSuspensionControlSwitch6.MirrorControlSwitch

2.AutomaticTractionControlSwitch7.MirrorDefrostSwitch

3.EngineBrakeSwitch8.NeutralControlSwitch

4.ShutdownOverrideSwitch9.PowerDividerLockoutSwitch

5.FuelPrimerPumpSwitch10.PowerTake-OffControlSwitch

Thefollowingoptionalswitches,listedinalphabeticalorder,mayappearon
PanelD,shownon“PanelD”,page56.

•AirSuspensionControlSwitch—Thisswitchexhauststheairfromtheair
bagsofthesuspension.Itmaybeusedwhencouplingoruncouplingtrailers.

72INSTRUMENTSANDCONTROLS

CAUTION

Whenpreparingtoconnectatractortoatrailer ,makesurethattheheightofthe
5thwheelmatchestheheightoftheundersideofthetrailer .Failuretodosowill
resultinthetrailerbeingimproperlyconnected.Afterthetrailerhasbeencoupled
andthetrailerlandinggearhasbeenraised,makesurethatthe5thwheeljaws
haveproperlyengagedthetrailerkingpin,andthereisnogapbetweenthe5th
wheelplateandthebottomofthetrailer .

CAUTION

DUMPBODY :Alwaysexhausttheairfromthebagsbeforeraisingthedump
bodytoprotecttheairbagsandimprovechassisstabilitywhiledumping.Ifthe
dumpbodyisraisedwhiletheairsuspensionispressurized,damagetotheair
bagsmayresult.

CAUTION

Donotdrivethevehiclewiththeairbagsexhausted.Repressurizetheairbags
beforedrivingthevehicle.

•AutomaticTractionControlSwitch/HeavyMud/Snow–Activatefor
increasedtractioncontrolinheavymudorsnow.(See“AutomaticTraction
Control(ATC)(IfEquipped)”,page134intheOPERATIONsectionofthis
manualformoredetails.)Whentheoperatorpressesthetopoftherocker
switch,theheavymud/snowfunctionATCindicatorlampblinkscontinuously .
TheA TClampstopsblinkingwhentheATCmodeswitchispressedagain
orignitionkeycycled.

CAUTION

Besuretodeactivatetheheavymud/snowfunctionwhennolongerneeded.
Continuedoperationwiththeheavymud/snowfunctionactivewillresultinvehicle
damage.Ifafterareasonableamountoftime(nomorethanveminutes)the
vehicleisstillnotmoving,deactivatetheATCandputonchains.

INSTRUMENTSANDCONTROLS73

•EngineBrakeSwitch–Usedtoactivatetheenginebrake.Refertothe

OPERATIONsectioninthishandbookformoreinformation.

•HeatedMirrorsSwitch–Activatestheoutsideheatedmirrors(foruseinicy
conditions).

•MirrorControlSwitch–Pushthetopintoturnthemirrortotheleft.Push
thebottomintoturnthemirrortotheright.

•NeutralControlSwitch–Shiftstherearcompoundtoneutraloncertain
transmissionsforrearcasepowertake-offoperation.

•PowerDividerLockoutSwitch–See"Inter-AxlePowerDividerLockout(If
Equipped)"intheOPERA TIONsectionofthismanual.

•PowerTake-OffControlSwitch—PushthetopintoturnthePTOon.
Pushthebottomintoturnitoff.

•ShutdownOverrideSwitch—Pressingthisswitchshortlyafterthevehicle
soundstheengineshutdownalarm,allows30additionalsecondsofoperation.
Thisprocesscanberepeatedseveraltimestosafelyparkthevehicle.

•T elmaRearAxleMountedRetarderIndicatorLamp(IfEquipped)—The
Telmadoesnothaveadisableswitch.Itisalwaysonandwilloperatedifferent
levelsdependingonapplicationofservicebrake.Theindicatorwillshowyou
thelevelyouareretardingthevehicle:20%,40%,60%,80%or100%.

Note:TheTelmaretarderisdisabledifthereisanABSevent.

TelmaRetarder

C0029217

74INSTRUMENTSANDCONTROLS

CABCLIMATECONTROL

1.BlowerControlKnob4.Fresh/RecirculationButton

2.ModeKnob

3.T emperatureControlKnob

5.A/CON/OFFButton

C0029694

1.BlowerControlKnob—Controlstheamountofairdeliveredthroughthe
vents.MoveleverfordesiredfanspeedfromOFF(farleft)toHIGH(farright).

2.ModeSelectionKnob—Allowstheoperatortochoosetheairdirection.
TheFOOTpositiondeliversairtotheooroutlets,whiletheDEFposition
directsairtothewindshieldfordefoggingand/ordefrosting.TheFACE
positiondeliversairtotheventsonthedashpanelfortheupperbody .

3.T emperatureControlKnob—ControlsthetemperatureofairfromCOOL
(farleft)toHOT(farright).

4.Fresh/RecirculationButton—Thisbuttonletstheoperatorchoose
betweenfreshair(fromtheoutside)andrecirculatedair(withinthecab).

5.AirConditionerOn/OffButton—Activatestheairconditioningsystem.

CAUTION

Ifyourvehicleisequippedwithairconditioning,theairconditionerunitshouldbe
runforFIVEMINUTESatleastONCEAWEEKthroughouttheyeartokeepthe
movingpartswelllubricated.

INSTRUMENTSANDCONTROLS75

LIGHTCONTROLPANEL

Thelightcontrolpanelislocatedonthedriversideofthedash.Thispanel
controlstheparkinglights,interiorpanellights,headlightsandfoglights(if
equipped).

C0029600

1.LightControlKnob/PullforFog

2.PanelDimmerSwitch

Withthelightcontrolknobintheleftposition,alllightsareoff.Withtheknobin
themiddleposition,theparkinglightsandinteriorpanellightswillilluminate.
Withtheknobinthefarrightposition,theheadlightswillturnon.

Toturnonthefoglights(ifequipped),puttheknobinthefarrightposition
andpulloutthefoglightbutton(seeFigureabove).Thefoglightsymbolwill
illuminateindicatingthelightsareon.

Toadjusttheintensityofthepanellight,rollthepaneldimmerswitchupand
down.

Toturnonthedomelamps,pushtherightswitchup.T oturnthedomelamps
off,pushtheswitchdown.

3.DomeLamps

76INSTRUMENTSANDCONTROLS

STEERINGCOLUMN

ElectricalSwitch

TurnSignalLever

Note:Theturnsignalsarenotself-cancellingandmustbereturnedtothemiddle
positionmanually .

Theturnsignalleverislocatedonthesteeringcolumn.Itperformsanumber
offunctions,includingactivatingthehighandlowbeamsandthehazard
switch(seeillustrationbelow).

C0029601

1.HandleinRightTurnPositionand
CancelPositionofHazardWarning

2.HandleinLeftTurnPositionand
CancelPositionofHazardWarning

3.PullforWarningHazardPosition

4.PushButtonforHi/LoBeam

INSTRUMENTSANDCONTROLS77

FLOORPEDALS

C0029695

1.AcceleratorPedal—Depresstoincreaseengine/vehiclespeed;release
todecreaseengine/vehiclespeed.

2.BrakeTreadleValve—Depresstoactivatetheservicebrakes.

3.ClutchPedal—Depresstodisengagetheclutch.Theclutchpedalisonly

foundontrucksequippedwithmanualtransmissions.

78INSTRUMENTSANDCONTROLS

MISCELLANEOUSCONTROLS

DomeLight

C0029228

DomeLight

C0029229

DriverSideSwitch

C0029230

PassengerSideSwitch

Withtheswitchinthebottompositiononthedriversideandonthepassenger
side,thedomelightwillcomeonwhenthecabdoorisopenedandgooff
whenitisclosed.Pushtheswitchuptoturnthedomelightonwhenthedoors
areclosedforeitherthedriversideorthepassengerside.DepresstheCAB
switchabovethedriverupwhendoorsareclosedtoturnbothdomelightson.

INSTRUMENTSANDCONTROLS79

AirHorn

C0029603

Theairhorn(s),ifequipped,isactivatedbypullingdownonthecordthatis
locatedabovethedriverneartheoverheadconsole.

FreshAirVent

C0029696

Anairventisprovidedtocirculateoutsideairtothecabinterior.Movethevent
wheeluptoopenthevent.Movethewheeltothebottomtoclosethevent.

AccessoryPowerOutlets

Additional12-voltaccessorypoweroutletsarelocatednexttothedriveronthe
"E"panel.Thesecigarlight-typeoutletssupply12voltsoffused(20A)power
whentheignitionswitchisturnedtotheignitionoraccessoryposition.

80INSTRUMENTSANDCONTROLS

CAUTION

C0029697

Maximumamperageforallpowerreceptaclesincabis10amps.DoNOTexceed
maximumamperageasequipmentdamagemayresult.

PRE-TRIPINSPECTIONANDDAIL Y

MAINTENANCE81

PRE-TRIP

DANGER

Beforeworkingonorinspectingavehicle,settheparkingbrakes,placethe
transmissioninneutralandblockthewheels.Failuretodosocanresultin
unexpectedvehiclemovementandcancauseseriouspersonalinjuryordeath.

Safetyisthemostimportantandobviousreasonfordoingapre-tripinspection.
Federalandstatelawsrequireinspectionperformedbythedriver.Federal
andstateinspectorsalsoinspectcommercialvehicles.Anunsafevehiclecan
beplaced"outofservice"untilthedriverorownercorrectsthedeciency.
Ownersandoperatorsshouldfamiliarizethemselveswithsections49CFR

396.11and396.13concerningFederalrequirementsforvehicleinspection.
Certainotherlawsmayalsoapply.

Section49CFR396.13statesthatallmotorcarrierdriversmustcompletea
writtenreportattheendofeachworkdayforeachvehicleoperated,covering
mostofwhatiscoveredinthepre-triplist.Thereportshouldlistalldefects
ordecienciesdiscoveredbythedriver.Apre-tripinspectionpreparesfor
theend-of-workreport.

Startingonthenextpagearesuggestedguidelinestobeusedinperforming
truck,tractorandtrailerpre-tripinspections.Dependingontheapplicationof
thevehiclebeingused,theseguidelinesshouldbemodiedtoincludeother
necessaryinspectionpoints.Forexample,stepsandgrabhandlesshouldbe
checkeddailyonrefusetrucksbecausetheoperatorisgettinginandout
ofthecabmorefrequently.

Ifanycomponentorsystemdoesnotpassthisinspection,itmustbecorrected
beforeoperatingthevehicle.Wheneverequipmentrequiresadjustment,
replacement,repairorlubrication,refertotheServiceManualsorcontact
anauthorizedMackTruckdealerforthecorrectprocedures,specications
andintervals.

Takeyourtimegoingthroughthepre-tripinspection.Rememberthatacareful
pre-tripinspectionsavestimebyeliminatingunscheduledstopsforcorrecting
afaultyitem.

ThefollowinginformationhasbeenprovidedbytheAmericanTrucking
AssociationasdevelopedbytheD.O.T .OfceofMotorCarriers(BMCS).

Pre-TripInspectionQuickList

Inspectthevehicleinacircularmanner.

ApproachingtheVehicle

82PRE-TRIPINSPECTIONANDDAILY
MAINTENANCE

•Checkunderthevehicleforoil,fuel,coolantleaksorothersignsofdamage.

•Checkbodysurfacesforsignsofbreaksordamage.

Preparation

•Opendraincocksonairtankstoletthetanksdrain.

•Chockwheelsonvehicleand,ifhookedup,trailer.

•Closeairtankdraincocks.

•Starttheengineandlettheairpressurebuilduptonormal.Stopengine.

•Switchonparkinglightsandhazardlights.

•Applyparkingbrakes.

•Pullthehoodreleaseleverorreleasethehoodlatches,raisehood.

Step1:LeftSideoftheCab

LeftFrontWheel

•Checkconditionofwheelrim.Especiallylookforcracks,missinglockrings,
bentorbrokenstuds,clampsorlugs.

•Checkconditionoftire:properlyinated,noseriouscuts,bulges,tread
wearoranysignsofmisalignment;valvestemnottouchingwheel,rimor
brakedrum;valvecapinplace.

•Checkwheelbearingandhub:noobviousleakingonoutsideorinside
wheel.Verifycorrectoillevelinhub.

LeftFrontSuspension

•Checkconditionofspring,springhangers,shackles,U-bolts:nocracks,
breaksorshifting.

•Checkshockabsorbercondition.

LeftFrontBrake

•Conditionofbrakedrum.Withbrakesreleased,lookforanoticeablegap
betweenlininganddrum.(Thischeckcannotbemadeifdustcoversare
inplace.)

•Conditionofbrakeairhose.

•Checkbrakechambermountingboltsandbracket.

PRE-TRIPINSPECTIONANDDAIL Y

MAINTENANCE83

ConditionofFrontAxleandSteeringSystem,LeftSide

•Noloose,worn,bent,damagedormissingparts.

UnderHood,LeftSide

•Checkcoolanthosecondition.

•Checkconditionoffandrivebelts.

•Checkengineandsurroundingareasforcoolant,oilandfuelleaks.

•Checkwiringharnessesforsignsofdamage.

Step2:FrontofCabArea

ConditionofWindshield

•Checkfordamageandcleanifdirty.

•Checkwindshieldwiperarmsforproperspringtension.

•Checkwiperbladesforanydamage,"dead"rubberandattachmenttoarm.

LightsandReectors

•Lowerhoodandinspectparking,clearanceandidenticationlightsonhood
andcab.Theyshouldbecleanandofthepropercolor.

•Reectorscleanandpropercolor.

•Leftandrightfrontturnsignallightsandheadlightscleanandpropercolor.
Raisehood.

Grille

•Checkthatchargeaircoolerandradiatororbugscreensarecleanand
undamaged.

Step3:RightSideofCabArea

RightFrontWheel

•Checkconditionofwheelrim.Especiallylookforcracks,missinglockrings,
bentorbrokenstuds,clampsorlugs.

•Checkconditionoftire:properlyinated,noseriouscuts,bulges,tread
wearoranysignsofmisalignment;valvestemnottouchingwheel,rimor
brakedrum;valvecapinplace.

84PRE-TRIPINSPECTIONANDDAILY
MAINTENANCE

•Checkwheelbearingandhub:noobviousleakingonoutsideorinside
wheel.Verifycorrectoillevelinhub.

RightFrontSuspension

•Checkconditionofspring,springhangers,shackles,U-bolts:nocracks,
breaksorshifting.

•Shockabsorbercondition.

RightFrontBrake

•Conditionofbrakedrum.Withbrakesreleased,lookforanoticeablegap
betweenlininganddrum.(Thischeckcannotbemadeifdustcoversare
inplace.)

•Conditionofbrakeairhose:checkforanychang.

•Checkbrakechambermountingboltsandbracket.

•Withbrakesappliedorreleased,lookforconspicuouslydifferentpositions
oftheslackadjusters.

ConditionofFrontAxleandSteeringSystem,RightSide

•Noloose,worn,bent,damagedormissingparts.

UnderHood,RightSide

•Checkconditionofcoolantandheaterhoses.

•Checkconditionoffandrivebelts.

•Checkengineandsurroundingareasforcoolant,oilandfuelleaks.

•Checkfuelseparatorsightglassanddrainifnecessary.Checkforleaks.

•Checkwiringharnessesforsignsofdamage.

•Checkairlterwithbracketsandhosesforlooseconnectionsordamage.
Checkltergauge,ifmountedonthelter.

Step4:RightSaddleTankArea

RightFuelT ank(s)

•Securelymountedandnotdamagedorleaking.

•Fuellinessecureandnotleaking.Checkthatshut-offvalvesareopen.

•T ank(s)fulloffuel.Caponandsecure.

PRE-TRIPINSPECTIONANDDAIL Y

MAINTENANCE85

ConditionofVisibleComponents

•Rearofengine:notleaking.

•Transmission:notleaking.Ifequippedwithoilcooler,checkcooler,hoses
andttingsforleaks.

•Checkdriveshaft.

•Exhaustsystem:secure,notleaking,nottouchingwires,fuelorairtubing.

•Frameandcrossmembers:nobends,cracksorbreaks.

•Airtubingandelectricalwiring:securedagainstsnaggingandchang.

Step5:RightRearVehicleArea

DualWheels,OneorTwoAxles

•Checkconditionofwheelsandrims.Especiallylookforcracks,missing
lockrings,bentorbrokenspacers,studs,clampsorlugs.

•Checkconditionoftires:properlyinated,noseriouscuts,bulges,tread
wearoranysignsofmisalignment;valvestemsnottouchingwheels,rimsor
brakedrums;valvecapsinplaceandnoobjectsstuckbetweenthewheels.

•Checkthatbothtiresareofsametype,forexample,notmixedradialand
biastypeandthattheircircumferencesarematched.

•Checkwheelbearingandhub:noobviousleakingonoutsideorinsidewheel.

Suspension

•Checkconditionofsprings(leaforair),springhangers,shacklesandU-bolts.

•Axlealignment.

Brakes

•Conditionofbrakedrums.Withbrakesreleased,lookforanoticeablegap
betweenlininganddrum.(Thischeckcannotbemadeifdustcoversare
inplace.)

•Conditionofbrakehoses:checkforanychang.

•Checkbrakechambermountingboltsandbrackets.

•Withbrakesappliedorreleased,lookforconspicuouslydifferentpositions
oftheslackadjusters.

86PRE-TRIPINSPECTIONANDDAILY
MAINTENANCE

Step6:RearofVehicleArea

FrameArea

•Frameorcrossmembersnotbent,crackedorotherwisedamagedormissing.

•Checkthatairtubingandelectricallinesareproperlysecuredtotheframe
withnodamageorchang.

LightsandReectors

•T aillights,brakelightsandturnsignallights:cleanandpropercolor.

Step7:CouplingSystemArea

FifthWheel

•Securelymountedtotheframe.

•Nomissingordamagedparts.

•Checkthattrunnionandplateareproperlylubricated.

SlidingFifthWheel

•Mechanismnotworn,bent,damagedorpartsmissing.

•Properlylubricated.

•Alllockingpinspresentandlockedinplace.

•Ifairoperated:noairleaks.

AirT ubingandElectricLinesVisibleFromThisPoint

•Shouldbesecurefromdangling.

•Bothairlinesandelectriclineshouldbefreefromdamage,oilandgrease.

Step8:LeftSaddleTankandLeftRearVehicleWheelsArea

DualWheels,OneorTwoAxles

•Checkconditionofwheelsandrims.Especiallylookforcracks,missing
lockrings,bentorbrokenspacers,studs,clampsorlugs.

•Checkconditionoftires:properlyinated,noseriouscuts,bulges,tread
wearoranysignsofmisalignment;valvestemsnottouchingwheels,rimsor
brakedrums;valvecapsinplaceandnoobjectsstuckbetweenthewheels.

•Checkthatbothtiresareofsametype,forexample,notmixedradialand
biastypeandthattheircircumferencesarematched.

PRE-TRIPINSPECTIONANDDAIL Y

MAINTENANCE87

•Checkwheelbearingandhub:noobviousleakingonoutsideorinsidewheel.

Suspension

•Checkconditionofsprings(leaforair),springhangers,shacklesandU-bolts,
nocracks,breaksorshifting.

Brakes

•Conditionofbrakedrums.Withbrakesreleased,lookforanoticeablegap
betweenlininganddrum.(Thischeckcannotbemadeifdustcoversare
inplace.)

•Conditionofbrakehoses:checkforanychang.

•Checkbrakechambermountingboltsandbrackets.

•Withbrakesappliedorreleased,lookforconspicuouslydifferentpositions
oftheslackadjusters.

ConditionofVisibleComponents

•Transmission:notleaking.

•Driveshaft:looksOK.

•Exhaustsystem:secure,notleaking,nottouchingwires,fuelorairtubing.

•Frameandcrossmembers:nobends,cracksorbreaks.

•Airtubingandelectricalwiring:securedagainstsnaggingandchang.

LeftFuelT ank(s)

•Securelymountedandnotdamagedorleaking.

•Fuellinessecureandnotleaking.Checkthatshut-offvalvesareopen.

•T ank(s)fulloffuel.Caponandsecure.

BatteryArea

•Openthebatterybox.Batteryboxsecurelymountedtovehicle.

•Batteriessecuredagainstmovement.

•Batterycasesnotbrokenorleaking.Batterycablesfreefromdamage.

•T opsofbatteriesandterminalscleanandfreefromforeignmaterial.

•Ifequipped,replacebatterylidandmakesureitissecurelyfastened.

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MAINTENANCE

Step9:TrailerFrontArea

AirandElectricalConnections

•Gladhandsproperlymounted,freefromdamageandnotleaking.

•Trailercordreceptacleproperlymounted,freeofdamage;plugproperly
seatedandsafetycatchengagedtopreventaccidentaldisconnect.

•Airandelectricallinesproperlysecuredagainsttangling,snaggingand
changwithsufcientslackforturns.

HookingUpToTrailer

Hook-UpPreparation

•Checkkingpinandmountingplateontrailer,freefromwear,bendsor
damage.

•Chocktrailerwheels.

FifthWheelorTrailerHitch

•Novisiblespacebetweenfthwheelandtrailer.

•Lockingjawsaroundtheshankandnottheheadofkingpin.

•Releaseleverproperlyseatedandsafetylatch/lockengaged.

•Checkallconnectionstodollyortrailerhitchandsafetychainsaresecured.

•Checkfunctionoftrailerairsupplyvalveandtrailerbrakes.

SlidingFifthWheel

•Checkthatfthwheelisnotsofarforwardthatthetractorframewillstrike
thelandinggearduringturns.

Note:Refertothetrailermanufacturer’smanualforspecicinformationonthe
trailerchecks.

Step10:RightSideofTrailerArea

LandingGearorDollyArea

•Fullyraised;nomissingordamagedparts.

•Crankhandlepresentandsecured.

•Ifpoweroperated,noair/hydraulicleaks.

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MAINTENANCE89

SpareWheel(s)

•Carrierorracknotdamaged.

•Sparewheelsecurelymountedinrack.

•Tireandwheelconditionadequateforaspare:propersize,properlyinated.

LightsandReectors

•Trailersideclearancelights:clean,operatingandpropercolor.

•Reectorscleanandpropercolor.

FrameandBody

•Frameandcrossmembersnotbent,cracked,damagedormissing.

•Properplacarding.

•Bodypartsnotdamagedormissing.

Step11:RightRearTrailerWheel

DualWheels,OneorTwoAxles

•Checkconditionofwheelsandrims.Especiallylookforcracks,missing
lockrings,bentorbrokenspacers,studs,clampsorlugs.

•Checkconditionoftires:properlyinated,noseriouscuts,bulges,tread
wearoranysignsofmisalignment;valvestemsnottouchingwheels,rimsor
brakedrums;valvecapsinplaceandnoobjectsstuckbetweenthewheels.

•Checkthatbothtiresareofsametype,forexample,notmixedradialand
biastypeandthattheircircumferencesarematched.

•Checkwheelbearingandhub:noobviousleakingonoutsideorinsidewheel.

Suspension

•Conditionofsprings(leaforair),springhangers,shacklesandU-bolts.

•Axlealignment.

•Conditionoftorquerodarms.

•Ifequippedwithslidingaxles,checkpositionandalignment.Lookfor
damaged,wornormissingparts,alllockspresent,fullyinplaceandlocked.

•Flexibleairtubingnotcracked,cut,crimpedorotherwisedamaged.Secured
againsttangling,draggingandchang.