LiteratureInformation
Thismanualshouldbestoredintheoperator'scompartmentintheliteratureholderorseatback literaturestoragearea.
Thismanualcontainssafetyinformation,operationinstructions,transportationinformation, lubricationinformation,andmaintenanceinformation.
Somephotographsorillustrationsinthispublicationshowdetailsorattachmentsthatcanbedifferent fromyourmachine.Guardsandcoversmighthavebeenremovedforillustrativepurposes.
Continuingimprovementandadvancementofproductdesignmighthavecausedchangestoyour machinewhicharenotincludedinthispublication.Read,study,andkeepthismanualwiththe machine.
Wheneveraquestionarisesregardingyourmachine,orthispublication,pleaseconsultyourCat dealerforthelatestavailableinformation.
Safety
Thesafetysectionlistsbasicsafetyprecautions.Inaddition,thissectionidentifiesthetextand locationsofwarningsignsandlabelsusedonthemachine.
Readandunderstandthebasicprecautionslistedinthesafetysectionbeforeoperatingorperforming lubrication,maintenance,andrepaironthismachine.
Operation
Theoperationsectionisareferenceforthenewoperatorandarefresherfortheexperiencedoperator. Thissectionincludesadiscussionofgauges,switches,machinecontrols,attachmentcontrols, transportation,andtowinginformation.
Photographsandillustrationsguidetheoperatorthroughcorrectproceduresofchecking,starting, operating,andstoppingthemachine.
Operatingtechniquesoutlinedinthispublicationarebasic.Skillandtechniquesdevelopasthe operatorgainsknowledgeofthemachineanditscapabilities.
Maintenance
Themaintenancesectionisaguidetoequipmentcare.TheMaintenanceIntervalSchedule(MIS)lists theitemstobemaintainedataspecificserviceinterval.Itemswithoutspecificintervalsarelisted underthe"WhenRequired"serviceinterval.TheMaintenanceIntervalScheduleliststhepage numberforthestep-by-stepinstructionsrequiredtoaccomplishthescheduledmaintenance.Usethe MaintenanceIntervalScheduleasanindexor"onesafesource"forallmaintenanceprocedures.
MaintenanceIntervals
Usetheservicehourmetertodetermineservicingintervals.Calendarintervalsshown(daily,weekly, monthly,etc.)canbeusedinsteadofservicehourmeterintervalsifthecalendarintervalsprovide moreconvenientservicingschedulesandapproximatetheindicatedservicehourmeterreading. Performtherecommendedserviceattheintervalthatoccursfirst.
Undersevere,dusty,orwetoperatingconditions,morefrequentlubricationthanisspecifiedinthe maintenanceintervalschartmightbenecessary.
Performserviceonitemsatmultiplesoftheoriginalrequirement.Forexample,atevery500service hoursor3months,alsoservicethoseitemslistedunderevery250servicehoursormonthlyandevery 10servicehoursordaily.
CertifiedEngineMaintenance
Propermaintenanceandrepairareessentialtokeeptheengineandmachinesystemsoperating correctly.Astheheavy-dutyoff-roaddieselengineowner,youareresponsiblefortheperformanceof therequiredmaintenancelistedintheOwnerManual,OperationandMaintenanceManual,and ServiceManual.
Itisprohibitedforanypersonengagedinthebusinessofrepairing,servicing,selling,leasing,or tradingenginesormachinestoremove,alter,ortorenderinoperative,anyemission-relateddeviceor elementofdesigninstalledonorinanengineormachinethatisincompliancewithallapplicable regulationsoftheintendedcountrytowhichithasbeenshipped.Certainelementsofthemachineand enginesuchastheexhaustsystem,fuelsystem,electricalsystem,intakeairsystem,andcooling systemmaybeemission-relatedandshouldnotbealteredunlessapprovedbyCaterpillar.
MachineCapacity
Additionalattachmentsormodificationsmayexceedmachinedesigncapacitywhichcanadversely affectperformancecharacteristics.Includedwouldbestabilityandsystemcertificationssuchas brakes,steering,androlloverprotectivestructures(ROPS).ContactyourCatdealerforfurther information.
ProductIdentificationNumber
EffectiveFirstQuarter2001theProductIdentificationNumber(PIN)haschangedfrom8to17 characters.Toprovideuniformequipmentidentification,constructionequipmentmanufacturersare movingtocomplywiththelatestversionoftheproductidentificationnumberingstandard.Non-road machinePINsaredefinedbyISO10261.ThenewPINformatwillapplytoallmachinesand generatorsets.ThePINplatesandframemarkingwilldisplaythe17characterPIN.Thenewformat willlooklikethefollowing:
Illustration1g03891925
Where:
1.WorldManufacturingCode(characters1-3)
2.MachineDescriptor(characters4-8)
3.CheckCharacter(character9)
4.MachineIndicatorSection(MIS)orProductSequenceNumber(characters10-17).Thesewere previouslyreferredtoastheSerialNumber.
MachinesandgeneratorsetsproducedbeforeFirstQuarter2001willmaintaintheir8characterPIN format.
Componentssuchasengines,transmissions,axles,andworktoolswillcontinuetousean8character SerialNumber(S/N).
Copyright1993-2025CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.
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Product:EXCAVATOR
Model:326D2LEXCAVATORMZH
Configuration:326D2LExcavatorMZH00001-UP(MACHINE)POWEREDBYC7.1Engine
OperationandMaintenanceManual
326D2Excavators
MediaNumber-SEBU9199-07PublicationDate-01/08/2015DateUpdated-10/01/2018
i06936198
AccessDoorandCoverLocations
SMCS-726A-CH
EngineHood
Illustration1g00754693
1.Unlatchtheenginehood.
2.Usehandleinordertoopentheenginehood.
3.Fullyopentheenginehood.Gasspringwilllockinplaceinordertoholdtheenginehoodopen.
OperationofthePushButtonReleasefortheEngineHood
Whenclosingtheenginehood,onlyoperatethepush-buttonreleaseby hand.
Failuretoremovehandsfromthepush-buttonreleasebeforeclosingthe enginehoodcouldresultinpersonalinjury.
Besuretoremovehandsfromthepush-buttonreleasebeforecompletely closingtheenginehood.
Whenclosingtheenginehood,DoNotoperatethepush-buttonrelease byfoot.
Operationofthepush-buttonreleasebyfootcouldresultindamageto thegasspringoftheclosingmechanismand/orpersonalinjury.
Onlyoperatethepush-buttonreleaseforclosingtheenginehoodby hand.
4.Inordertoclosetheenginehood,supporttheenginehoodwithhandle.Pressthepush-button releasetounlockgasspring.Releasethepushbuttonandslowlyclosetheenginehood.
5.Latchtheenginehood.
Copyright1993-2025CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.
WedAug601:23:10UTC+05302025
This is the sample of the manual Click on the download link for complete Manual
Product:EXCAVATOR
Model:326D2LEXCAVATORMZH
Configuration:326D2LExcavatorMZH00001-UP(MACHINE)POWEREDBYC7.1Engine
OperationandMaintenanceManual
326D2Excavators
MediaNumber-SEBU9199-07PublicationDate-01/08/2015DateUpdated-10/01/2018
i06553710
AirConditioner/CabHeaterFilter(Recirculation)Inspect/Replace
SMCS-1054-040-A/C;1054-510-A/C
NOTICE
Anairrecirculationfilterelementpluggedwithdustwillresultin decreasedperformanceandservicelifetotheairconditionerorcab heater.
Topreventdecreasedperformance,cleanthefilterelement,as required.
Theairconditionerfilterislocatedonthelowerleftsideofthecabbehindtheseat.
1.Slidetheoperatorseatforward.
2.Slidethefilterelementupward.
3.Taptheairfilteragainstthepalmofone’shandinordertoremovethedirt.Donotuse compressedairtocleanthefilter.
4.Afteryoucleanthefilterelement,inspectthefilterelement.Ifthefilterelementisdamagedor badlycontaminated,useanewfilterelement.Makesurethatthefilterelementisdry.
Note:Ensurethatthegratingisattherearoffilterwheninstallingtheairfilter.
5.Installthefilterelement.
NOTICE
Failuretoreinstallthefilterelementfortheairconditioningsystem willcontaminateanddamagethesystemcomponents.
Copyright1993-2025CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.
WedAug601:24:56UTC+05302025
Product:EXCAVATOR
Model:326D2LEXCAVATORMZH
Configuration:326D2LExcavatorMZH00001-UP(MACHINE)POWEREDBYC7.1Engine
OperationandMaintenanceManual
326D2Excavators
MediaNumber-SEBU9199-07PublicationDate-01/08/2015DateUpdated-10/01/2018 i00934864
Battery-Clean
SMCS-1401-070
Cleanthebatterysurfacewithacleancloth.Keeptheterminalscleanandkeeptheterminalscoated withpetroleumjelly.Installthepostcoverafteryoucoattheterminalpostwithpetroleumjelly.
Copyright1993-2025CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.
WedAug601:25:03UTC+05302025
Product:EXCAVATOR
Model:326D2LEXCAVATORMZH
Configuration:326D2LExcavatorMZH00001-UP(MACHINE)POWEREDBYC7.1Engine
OperationandMaintenanceManual
326D2Excavators
MediaNumber-SEBU9199-07PublicationDate-01/08/2015DateUpdated-10/01/2018
i06543763
Battery-Recycle
SMCS-1401-561
Alwaysrecycleabattery.Neverdiscardabattery.
Alwaysreturnusedbatteriestooneofthefollowinglocations:
•Abatterysupplier
•Anauthorizedbatterycollectionfacility
•Recyclingfacility
Copyright1993-2025CaterpillarInc.
AllRightsReserved. PrivateNetworkForSISLicensees.
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Product:EXCAVATOR
Model:326D2LEXCAVATORMZH
Configuration:326D2LExcavatorMZH00001-UP(MACHINE)POWEREDBYC7.1Engine
OperationandMaintenanceManual
326D2Excavators
MediaNumber-SEBU9199-07PublicationDate-01/08/2015DateUpdated-10/01/2018 i00934872
BatteryHold-Down-Tighten
SMCS-7257
Tightenthehold-downsforthebatteryinordertopreventthebatteriesfrommovingduringmachine operation.
Copyright1993-2025CaterpillarInc. AllRightsReserved.
PrivateNetworkForSISLicensees.
WedAug601:25:23UTC+05302025
Product:EXCAVATOR
Model:326D2LEXCAVATORMZH
Configuration:326D2LExcavatorMZH00001-UP(MACHINE)POWEREDBYC7.1Engine
OperationandMaintenanceManual
326D2Excavators
MediaNumber-SEBU9199-07PublicationDate-01/08/2015DateUpdated-10/01/2018
i04064489
BatteryorBatteryCable-Inspect/Replace
SMCS-1401-040;1401-510;1401-561;1402-040;1402-510
Personalinjurycanresultfrombatteryfumesorexplosion. Batteriesgiveoffflammablefumesthatcanexplode.Electrolyteisan acidandcancausepersonalinjuryifitcontactstheskinoreyes.
Preventsparksnearthebatteries.Sparkscouldcausevaporstoexplode. Donotallowjumpercableendstocontacteachotherortheengine. Improperjumpercableconnectionscancauseanexplosion.
Alwayswearprotectiveglasseswhenworkingwithbatteries.
1.TurnalloftheswitchestotheOFFposition.TurntheenginestartswitchkeytotheOFF position.
2.TurnthebatterydisconnectswitchtotheOFFposition.Removethekey.
3.Disconnectthenegativebatterycableatthebattery.
4.Disconnectthepositivebatterycableatthebattery.
5.Disconnectthebatterycablesatthebatterydisconnectswitch.Thebatterydisconnectswitchis connectedtothemachineframe.
6.Makenecessaryrepairsorreplacethebattery.
7.Connectthebatterycableatthebatterydisconnectswitch.
8.Connectthepositivebatterycableofthebattery.
9.Connectthenegativebatterycableofthebattery.
10.InstallthekeyandturnthebatterydisconnectswitchtotheONposition.
Copyright1993-2025CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.
WedAug601:25:40UTC+05302025
Product:EXCAVATOR
Model:326D2LEXCAVATORMZH
Configuration:326D2LExcavatorMZH00001-UP(MACHINE)POWEREDBYC7.1Engine
OperationandMaintenanceManual
326D2Excavators
MediaNumber-SEBU9199-07PublicationDate-01/08/2015DateUpdated-10/01/2018
Belt-Inspect/Adjust/Replace
SMCS-1357-025;1357-040;1357-510;1397-025;1397-040;1397-510
i07198031
Note:Thisengineisequippedwithabelttightenerthatautomaticallyadjuststhebelttothecorrect tension.
1.Unlatchtheenginehoodandraisetheenginehood.
Illustration1g06114636 (A)Newbelt (B)Wornbelt
2.Inspecttheconditionoftheserpentinebelt.Overtimethebeltribswilllosematerial(C).The spacebetweentheribswillincrease(D).Thelossofmaterialwillcausethepulleysheaveto
contactthebeltvalley.Thiswillleadtobeltslippageandacceleratedwear(E).Replacethebelt ifthebeltiswornorfrayed.
3.Ifthebeltrequiresreplacement,performStep3.athroughStep3.f.
a.Removetheupperfanguard.
Illustration2g03202624
b.Rotatethebelttensionerclockwiseinordertoremovethebelt.
c.Removethebelt.
d.Installanewbelt.
e.Rotatethebelttensionerclockwiseinordertoinstallthebelt.
f.Installtheupperfanguard.
g.Lowertheenginehoodandlatchtheenginehood.
Copyright1993-2025CaterpillarInc. AllRightsReserved.
WedAug601:25:52UTC+05302025
Product:EXCAVATOR
Model:326D2LEXCAVATORMZH
Configuration:326D2LExcavatorMZH00001-UP(MACHINE)POWEREDBYC7.1Engine
OperationandMaintenanceManual
326D2Excavators
MediaNumber-SEBU9199-07PublicationDate-01/08/2015DateUpdated-10/01/2018
BoomandStickLinkage-Lubricate
SMCS-6501-086;6502-086
S/N-HM41-UP
S/N-JFG1-UP
S/N-JFL1-UP
S/N-KER1-UP
S/N-KGY1-UP
S/N-LCW10001-UP
S/N-MGW1-UP
S/N-MZH1-UP
S/N-NBX1-UP
S/N-REC1-UP
S/N-XAM1-UP
i01933858
Note:Caterpillarrecommendstheuseof5%molybdenumgreaseforlubricatingtheboom,stickand bucketcontrollinkage.RefertoSpecialPublication,SEBU6250,"CaterpillarMachineFluids Recommendations"formoreinformationonmolybdenumgrease.
Applylubricantthroughallfittingsafteroperationunderwater. Wipeallfittingsbeforeyouapplylubricant.
Illustration1g00685797
1.Applylubricantthroughthefittingatthebaseofeachboomcylinder.
Illustration2g00685798
2.Thefittingsareatthebaseoftheboom.Thefittingscanbeservicedfromtheplatformontopof thestoragebox.Tolubricatethelowerboombearings,applylubricantthroughfittings(1)and (2).
3.Applylubricantthroughfittings(3)and(4)fortheboomcylinderrod.
4.Applylubricantthroughfitting(5)forthestickcylinderhead.
Note:Toensureproperlubricationofthelowerboombearingsandoftheboomcylinderrod endbearings,lubricantshouldbeappliedthroughfittings(1),(2),(3),and(4).Applylubricant firstwhentheboomisraisedandanyattachmentissuspended.Thenapplylubricantwhenthe boomisloweredandtheattachmentisrestedonthegroundwithaslightdownwardpressure.
Illustration3g00685799
5.Applylubricantthroughfitting(6).Fitting(6)isattheconnectionpointoftheboomandofthe stick.
6.Applylubricantthroughfitting(7)onthestickcylinderrod,fitting(8)attheconnectionpoint oftheboomandofthestick,andfitting(9)atthebucketcylinderheadend.
Copyright1993-2025CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.
WedAug601:26:05UTC+05302025
Product:EXCAVATOR
Model:326D2LEXCAVATORMZH
Configuration:326D2LExcavatorMZH00001-UP(MACHINE)POWEREDBYC7.1Engine
OperationandMaintenanceManual
326D2Excavators
MediaNumber-SEBU9199-07PublicationDate-01/08/2015DateUpdated-10/01/2018 i02168785
BucketLinkage-Inspect/Adjust
SMCS-6513-025;6513-040
Unexpectedmachinemovementcancauseinjuryordeath.
Toavoidpossiblemachinemovement,movethehydrauliclockout controltothelockedpositionandattachaSpecialInstruction, SEHS7332,"DoNotOperate"orsimilarwarningtagtothehydraulic lockoutcontrol.
NOTICE
Improperlyadjustedbucketclearancecouldcausegallingonthe contactsurfacesofthebucketandstick,resultinginexcessivenoise and/ordamagedO-ringseals.
(1)Nogap (2)Stickboss
(3)Bucketclearance (4)Shims (5)Pin (6)Plate (7)Bolts
(8)Washers (9)Location (10)Flange (11)Bucketboss
Theclearanceofthebucketcontrollinkageonthismachinecanbeadjustedbyshimming.Ifthegap betweenthebucketandthestickbecomesexcessive,adjustbucketclearance(3)to0.5to1mm(.02 to.04inch).
Twoshimsofdifferentthicknessareusedatlocation(9).Thethicknessesoftheshimsare0.5mm (0.02inch)and1.0mm(0.04inch).
This is the sample of the manual Click on the download link for complete Manual