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Product:BACKHOELOADER
Model:426BACKHOELOADER7BC
Configuration:426BACKHOELOADER7BC01878-03476(MACHINE)POWEREDBYD4.236ENGINE OperationandMaintenanceManual
MediaNumber-KEBU6901-00PublicationDate-20/03/1997DateUpdated-10/10/2001
Specifications
Copyright1993-2021CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.
MonMay323:30:35UTC+05302021
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Product:BACKHOELOADER
Model:426BACKHOELOADER7BC
Configuration:426BACKHOELOADER7BC01878-03476(MACHINE)POWEREDBYD4.236ENGINE
MediaNumber-KEBU6901-00PublicationDate-20/03/1997DateUpdated-10/10/2001
Hydraulicschematic
Copyright1993-2021CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.
MonMay323:30:22UTC+05302021
Product:BACKHOELOADER
Model:426BACKHOELOADER7BC
Configuration:426BACKHOELOADER7BC01878-03476(MACHINE)POWEREDBYD4.236ENGINE OperationandMaintenanceManual
MediaNumber-KEBU6901-00PublicationDate-20/03/1997DateUpdated-10/10/2001
Troubleshooting
Copyright1993-2021CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.
MonMay323:30:08UTC+05302021
Product:BACKHOELOADER
Model:426BACKHOELOADER7BC
Configuration:426BACKHOELOADER7BC01878-03476(MACHINE)POWEREDBYD4.236ENGINE
OperationandMaintenanceManual HYDRAULICBROOMFORCATERPILLARBACK
MediaNumber-KEBU6901-00PublicationDate-20/03/1997DateUpdated-10/10/2001
Maintenance
Every8hoursordaily
CycleBroomandmachinethroughallmodes.
A.Checkforbinding.
B.Checkhydraulichoseassembliesandfittingsfordamageandleaks.
C.Checkboltsandtightenifnecessary.
D.Checkleafspring.
E.Inspectbrushprotectors.
F.CheckQuickCouplerhooksandpinlocatorsfordamageandwear.
ReportanydefectsorinstallationproblemstoyourCaterpillardealer.
Every3monthsor250hours
Cleangreasenippleofthebartubebearingandapplygreaseuntilfreshgreaseisextrudedfromthejoint. (fig.8)
Whenrequired
Regularlyinspecttheriggingscrew.Coatthethreadswithgreaseorwithacorrosionprotectionproduct whenneeded.(fig.9)
NOTE:Whenthebroomisnotinoperation,alwaysemploytheparkingsupports,otherwiseflatspotswill appearonthebrusheswhichwillspoilproperfunctions.
Product:BACKHOELOADER
Model:426BACKHOELOADER7BC
Configuration:426BACKHOELOADER7BC01878-03476(MACHINE)POWEREDBYD4.236ENGINE
OperationandMaintenanceManual HYDRAULICBROOMFORCATERPILLARBACK
MediaNumber-KEBU6901-00PublicationDate-20/03/1997DateUpdated-10/10/2001
HeightandTiltsetting
1.Liftupthebroomandplacetheparkingsupportsintheirupperposition.
2.Startbrushrotation.
3.Slowlylowerthebroomuntiltheyellowmarkersoftheheightindicatorareinline.(fig.5)
4.Tiltthebroomuntilthetiltindicatormarkersareinline.(fig.6)
5.Re-adjust,ifnecessary,thebroomheightasdescribedinpoint3.
MonMay323:29:30UTC+05302021
PreviousScreen
Product:BACKHOELOADER
Model:426BACKHOELOADER7BC
Configuration:426BACKHOELOADER7BC01878-03476(MACHINE)POWEREDBYD4.236ENGINE OperationandMaintenanceManual
MediaNumber-KEBU6901-00PublicationDate-20/03/1997DateUpdated-10/10/2001
Sweeping
Refertothesection"Settingbroomheightandtilt"Theyellowmarkersoftheheightandtiltindicators,on eithersideofthebroomframe,musteachbeinline.
Theloadercouplerisnowverticaltotheground.Thebrushoperateswithevenpressureoveritswholewidth. (Seefigures2aand2b)
NOTE:Donotusetheloadersliftortiltfunctiontoadjustthegroundpressure.
Sometimesahigherappliedweightingmayberequiredateitherendofthebroom,sweepingalitlebitharder nearacurbsideorwhenbroombristtleshavebecomeconicalshapedfromunevenwear.
Bytiltingthebroombackwardshigherpressureisobtainedonthesideofthebrushthatisangledtowardsthe carriermachine.(seefigures3aand3b)
Bytiltingthebroomforward,higherpressureisobtainedonthesideofthebrushthatisangledawayfrom thecarriermachine.(seefigures4aand4b)
This is the sample of the manual Click on the download link for complete Manual
MonMay323:29:20UTC+05302021
Product:BACKHOELOADER
Model:426BACKHOELOADER7BC
Configuration:426BACKHOELOADER7BC01878-03476(MACHINE)POWEREDBYD4.236ENGINE
OperationandMaintenanceManual HYDRAULICBROOMFORCATERPILLARBACK
MediaNumber-KEBU6901-00PublicationDate-20/03/1997DateUpdated-10/10/2001
Broomreleaseprocedure
1.Raiseloaderarmsuntilthebroomisslightlyelevatedandlevelwiththeground.
2.Lowerandsecurethebroomparkingsupportsintheirlowerstorageposition.
3.Putthedivertervalveinthe"Coupler"positionanddisengagethecouplerlockingpins.
NOTE:Thebrushcanbedeformedifthesupportsarenotusedwhenthebroomisparked.
4.Lowertheloaderarmsandputthebroomontheground.
5.Disconnectthebroomwiringconnectorfromthecarriermachine'swiringharness.
6.Disconnectthebroomhydrauliclines.
7.Disengagecouplerandcarriermachine.
NOTE:Whendisconnectingthebroomfromthecarriermachine,thecouplerlockingpinsmustbereleased beforethebroomisloweredtotheground!
Neglectingthismaycausedamagetothebroomssuspensionsystem.
Copyright1993-2021CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.
MonMay323:29:05UTC+05302021
Product:BACKHOELOADER
Model:426BACKHOELOADER7BC
Configuration:426BACKHOELOADER7BC01878-03476(MACHINE)POWEREDBYD4.236ENGINE
OperationandMaintenanceManual HYDRAULICBROOMFORCATERPILLARBACK
MediaNumber-KEBU6901-00PublicationDate-20/03/1997DateUpdated-10/10/2001
Caution
Thebroomshouldbepositionedonit'sparkingsupportsthatshouldbeintheirloweredstorage position.
2.ConnectthebroomhosestotheQuickDisconnectCouplersonthecoupler.Turnthedivertervalveintothe "Attachment"position.(Ifequipped)
3.Connectthebroomwiringconnectortothewiringharnessprovidedonthemachine.
4.Raiseloaderarmsuntilthebroomisslightlyelevated.
5.Securetheparkingsupportsintheirraisedoperatingposition.
6.Startthebroombymovingthecontrolhandleofthecarriermachine'sthirdvalvetothelockingposition.
7.Checkthebrushrotation.Ifthebrushrotatesintheoppositedirection,shiftthelockingpositionofthe controlleverofthethirdvalveor,withcontrolvalveclosed,reversethebroom'shydraulicconnections.
NOTE:Aleverlockingkitmayberequiredincasetheloaderisnotalreadyequipped.Contactthe Caterpillardealertoinquireifthekitisavailableforyourmachine.
Copyright1993-2021CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.
MonMay323:28:54UTC+05302021
PreviousScreen
Product:BACKHOELOADER
Model:426BACKHOELOADER7BC
Configuration:426BACKHOELOADER7BC01878-03476(MACHINE)POWEREDBYD4.236ENGINE
MediaNumber-KEBU6901-00PublicationDate-20/03/1997DateUpdated-10/10/2001
Broommountingprocedure
NOTE:Beforeinstallingorremovinganattachmenttoorfromthequickcouplermakesurethatit'sdiverter valveisinthe"Coupler"position.
1.Installthebroomtotheloader'sQuickCouplerandengagecoupler'slocks.FollowtheOperatingand Maintenanceinstructionsthatweresuppliedwiththecoupler.
Copyright1993-2021CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.
MonMay323:28:43UTC+05302021
Product:BACKHOELOADER
Model:426BACKHOELOADER7BC
Configuration:426BACKHOELOADER7BC01878-03476(MACHINE)POWEREDBYD4.236ENGINE OperationandMaintenanceManual
MediaNumber-KEBU6901-00PublicationDate-20/03/1997DateUpdated-10/10/2001
OperatingPrinciple
Thecarriermachine'sthirdvalveisusedtooperatetheattachment.Theoperatormust,afterhavinginstalled theattachment,connecttheattachmenthosestothequickdisconnectcouplingsontheleftandrightjunction blocksoftheQuickCouplerandshiftthedivertervalveoverintothe"Attachment"position.(Ifequipped).
Whenthedivertervalveisinthe"Attachment"position,hydraulicoilfromthemachine'sthirdvalvecircuit willoperatethebrushmotors.
Theelectricallyactuatedselectorvalveiscontrolledbyaswitchinthecabin.Thisvalve,whenactuated, directsoiltothebroomanglingcylinder.
Alwaysstopthebroomcompletelybeforeyoumakeanyadjustments. Failuretodosomayresultinseriousinjury.
Copyright1993-2021CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.
MonMay323:28:19UTC+05302021
Product:BACKHOELOADER
Model:426BACKHOELOADER7BC
Configuration:426BACKHOELOADER7BC01878-03476(MACHINE)POWEREDBYD4.236ENGINE
OperationandMaintenanceManual
MediaNumber-KEBU6901-00PublicationDate-20/03/1997DateUpdated-10/10/2001
Application
*ThehydraulicbroomisinstalledbymeansofaQuickCouplertothefrontofawheelloader, toolcarrierorbackhoeloader.
*TheQuickCouplerallowstheoperatortoswitchattachmentsin30secondsorlesswithoutleaving thecab.
*Twodirectactinghydraulicmotors,installedoneitherside,drivethebrushat175-230rpm.
*Duringsweepingitispossibletohydraulicallyadjusttheangleofthebroombymeansofahydraulic cylinderthatreceivesoilfromanelectricallyoperatedselectorvalve.Thesamehydraulicfunction fromthecarriermachineisusedastheoneusedtodrivethebrushmotors
*Themechanicallyadjustablesuspensionsystemprovidesaconstantandevenlyappliedpressureof thebroomagainsttheground.Thisresultsinminimalbrushwearandmakesthebrushinsensitiveto unevenness,grooves,kerbstonesetc.
*Differenttypesofbrushes,conventionalortufted,steelorpolypropylenecanbeinstalled.
Copyright1993-2021CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.
MonMay323:28:06UTC+05302021
Product:BACKHOELOADER
Model:426BACKHOELOADER7BC
Configuration:426BACKHOELOADER7BC01878-03476(MACHINE)POWEREDBYD4.236ENGINE
OperationandMaintenanceManual HYDRAULICBROOMFORCATERPILLARBACK
MediaNumber-KEBU6901-00PublicationDate-20/03/1997DateUpdated-10/10/2001
Safety
Allmechanicalequipmentcanbehazardousifoperatedwithoutcareorcorrectmaintenance.
Inthismanualyouwillfindwarningmessages.Readthemandunderstandthem.Theytellyouofhazards andhowtoavoidthem.
Safetyisnotjustamatterofrespondingtothewarnings.Allthetimeyouareworkingwithyourequipment youmustbethinkingwhathazardstheremightbeandhowtoavoidthem.
Donotworkwiththeequipmentuntilyouaresurethatyoucontrolit.
Donotstartajobuntilyouaresurethatyouandthepersonsaroundyouwillbesafe.
Readcarefullyfollowingwarningmessages.Theytellyouofdifferent hazardsandhowtoavoidthem.Ifproperprecautionsarenottakenyou orotherscouldbeseriouslyinjured.
1.Learnmachinesafety
Carefullyreadappropriatemanuals.Learnhowtooperatethe machineandhowtousethecontrolsproperly.
Studythismanualbeforeinstalling,operatingorservicingthe HydraulicBroom.Ifthereisanythingthatyoudonotunderstand, askyouremployeroryourCaterpillardealertoexplainit.Keep manualscleanandingoodcondition.
Studyalsotheoperatingandmaintenancemanualofthecarrier machinebeforeoperatingtheattachment.
2.Clothing
Youcanbeinjuredifyoudonotwearproperclothing.Loose clothingcangetcaughtinthemachinery.Wearfairlytight protectiveclothingtosuitthejob.
Wearasuitablehearingprotectivedevicesuchasearmuffsorear plugstoprotectagainstobjectionableoruncomfortableloud noises.
Furthersafetyequipmentincludes:asafetyhelmet,safetyshoes, safetyglasses,well-fittingoverallsandindustrialgloves.
Donotwearanecktieorscarf.Keeplonghairrestrained.
3.Careandalertness
Allthetimeyouareworkingwiththeattachmenttakecareand stayalert.Alwaysbecareful.Alwaysbealertforhazards.
4.Liftingequipment
Youcanbeinjuredifyouusefaultyliftingequipment.
Makesurethatliftingequipmentisingoodcondition.Makesure thatliftingtacklecomplieswithalllocalregulationsandis suitableforthejob.Liftingequipmentmustbestrongenoughfor thejobandyoumustknowhowtouseit.
5.Regulationsandlaws
Obeyalllaws,worksiteandlocalregulationswhichaffectyou andyourequipment.
6.Equipmentlimits
Operatingequipmentbeyonditsdesignlimitscancausedamage. Itcanalsobedangerous.
Donottrytoupgradetheequipment'sperformanceby unapprovedmodifications.
7.Equipmentinspection
Inspectthemachineandattachmentdailybywalkingaroundit beforeyoustartit.
Donotoperateequipmentwhichisdefectiveorhasmissingparts.
Makesurethemaintenanceproceduresinthismanualare completedbeforeusingtheequipment.
8.Practice
Youandotherscanbekilledorinjuredifyoudounfamiliar operationswithoutpracticingthemfirst.Practiceawayfromthe jobsite,onacleararea.
Keepotherpeopleaway.
Donotperformnewoperationsuntilyouaresureyoucando themsafely.
9.Communications
Badcommunicationscancauseaccidents.
Keeppeoplearoundyouinformedofwhatyouwillbedoing.If youwillbeworkingwithotherpeoplemakesuretheyunderstand anyhandsignalsyouwillbeusing.
Worksitescanbenoisy.Donotrelyonspokencommands.
10.Worksite
Worksitescanbehazardous.Inspectthesitebeforeworkingon it.
Makesuretheworksitefootinghassufficientstrengthtofirmly supportthemachine.Checkforpotholes,hiddenrocksetc.
11.Banksandtrenches
Bankedmaterialandtrenchescancollapse.
Donotworktooclosetobanksandtrencheswherethereis dangerofcollapse.
12.Metalsplinters
Youcanbeinjuredbyflyingsplinterswhendrivingmetalpinsin andout.
Guardagainstinjuryfromflyingpiecesofmetalordebris,wear gogglesorsafetyglasses.
Useasoft-facedhammerordrifttoremoveorfitmetalpins,such aspivotpins.
13.Safetybarriers
Unguardedequipmentinpublicplacescanbedangerous.Place barriersaroundthemachine,tokeeppeopleaway.
14.Inspections
Alwaysusetwopeoplewhenmakingcheckswiththeengine running.
Theoperatormustbeatthecontrols,abletoseethepersondoing thechecks.
15.Repairsandmaintenance
Besureyouunderstandaserviceprocedurebeforeworkingon themachineorattachment.
Ifpossible,makeallrepairswiththemachineparkedonalevel, hardsurface.Blockthemachinesoitdoesnotrollwhileworking onorunderit.
Attacha"DONOTOPERATE"tagtothemachine.
Disablethevehicletopreventaccidentalstartupduring maintenance.
16.Supportattachment
Donotworkunderaraisedattachment.Lowerattachmenttothe ground,ontoblocksorstands.
Alwaysuseliftarmsupportstokeeploaderarmsraisedand attachmenttilteddownifmaintenanceproceduresrequirethe attachmenttobeintheraisedposition.
Supporttheattachmentwhenlooseningorremovingpinsorbolts.
17.Modificationsandwelding
Non-approvedmodificationstothemachinecanimpairthe functionand/orsafetyandaffectmachinelife.Contactyour Caterpillardealerforadvisebeforemodifyingtheattachment.
Beforeweldingontheattachmentwhileitisinstalledonthe carrier,disconnectthealternatorandthebattery.
18.Hydraulicfluid
Finejetsofhydraulicfluidathighpressurecanpenetratethe skin.
Keephandsandbodyawayfrompinholesandnozzleswhicheject fluidunderhighpressure.
Useapieceofcardboardtosearchforleaks.Donotuseyour fingerstocheckforhydraulicfluidleaks.
IfANYfluidisinjectedintotheskin,itmustbesurgically removedwithinafewhoursbyadoctorfamiliarwiththistypeof injuryorgangrenemayresult
19.Pressures
Relieveallpressuresinair,wateroroilsystemsbeforeanylines, fittingsorrelateditemsaredisconnectedorremoved.Hydraulic fluidatsystempressurecaninjureyou.
Beforedisconnectingorconnectinghydraulichoses,stopthe carrierengineandoperatethecontrolstoreleasepressure trappedinthehoses.
20.Handholdsandsteps
Whenyougetonandofthemachine,alwaysmaintainathree pointcontactwithstepsandhandrailsandfacethemachine.Do notusecontrolsashandholds.
Neverjumpeitheronoroffthemachine.Nevermountof dismountamovingmachine.
Becarefulofslipperyconditionsonplatforms,stepsandhandrails whenmountingordismounting.
Neverclimbontotheattachmentunlessequippedwithproper handholdsandsteps.
21.Tools
Alwaysusepropertoolsthatareingoodconditionandbesure thatyouunderstandhowtousethembeforeperformingany servicework Copyright1993-2021CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.
MonMay323:27:55UTC+05302021
Product:BACKHOELOADER
Model:426BACKHOELOADER7BC
Configuration:426BACKHOELOADER7BC01878-03476(MACHINE)POWEREDBYD4.236ENGINE
OperationandMaintenanceManual HYDRAULICBROOMFORCATERPILLARBACK
MediaNumber-KEBU6901-00PublicationDate-20/03/1997DateUpdated-10/10/2001
Usingthemanual
Thismanualisarrangedtogiveyouagoodunderstandingoftheattachmentanditssafeoperation.It containsoperatingandmaintenanceinformation.
Readthismanualentirelybeforeusingorservicingthisattachmentforthefirsttime.Ifyoudonot understandsomethingoryouarenotsure,askyourCaterpillardealer.Donotguess.
Readallsafetystatementscarefully.
Theunitsofmeasurementaremetric.Forexample,weightsaregiveninkilograms(kg).
Copyright1993-2021CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.
MonMay323:27:43UTC+05302021
Product:BACKHOELOADER
Model:426BACKHOELOADER7BC
Configuration:426BACKHOELOADER7BC01878-03476(MACHINE)POWEREDBYD4.236ENGINE
MediaNumber-KEBU6901-00PublicationDate-20/03/1997DateUpdated-10/10/2001
Modelnumber
ThismanualdealswithallHydraulicBroommodels
Itisimportanttomakecorrectreferencetotheattachmenttypeandserialnumberwhenorderingspareparts. Identificationoftheserialnumberistheonlypropermeansofidentifyingparts.
Themodelnumberisstampedonanidentificationplate,locatedonthetopright-handsideofthecoupler adapterframe.
Whenorderingsparepartsforthehydraulicmotorsyoushouldmentionthemotorserialnumberwhichis locatedontheendplateofthemotor.
Copyright1993-2021CaterpillarInc.
AllRightsReserved. PrivateNetworkForSISLicensees.
MonMay323:27:32UTC+05302021
Product:BACKHOELOADER
Model:426BACKHOELOADER7BC
Configuration:426BACKHOELOADER7BC01878-03476(MACHINE)POWEREDBYD4.236ENGINE
OperationandMaintenanceManual HYDRAULICBROOMFORCATERPILLARBACK
MediaNumber-KEBU6901-00PublicationDate-20/03/1997DateUpdated-10/10/2001
Generalinformation
ThismanualinstructsyouonyourHydraulicBroomanditssafeoperationandmaintenance.Studythis manualbeforeinstalling,operatingorservicingthisequipment.Usewithoutpropercarecancausedamage. Tousethisattachmentcorrectly,youmustbeacompetentoperatorofthecarriermachine.DONOTinstall orusetheattachmentifyoucannotusethecarriermachine.
Donotrushthejoboflearning.Takeyourtimeandmostimportant,takeitsafely.
Ifthereisanythingyoudonotunderstand,askyourCaterpillardealer.Hewillbepleasedtoadviseyou.
Copyright1993-2021CaterpillarInc. AllRightsReserved. PrivateNetworkForSISLicensees.
MonMay323:27:03UTC+05302021
Product:BACKHOELOADER
Model:426BACKHOELOADER7BC
Configuration:426BACKHOELOADER7BC01878-03476(MACHINE)POWEREDBYD4.236ENGINE OperationandMaintenanceManual
MediaNumber-M0085473-03PublicationDate-01/02/2018DateUpdated-14/02/2018
Foreword
SMCS-7606
LiteratureInformation
s02590205
Thismanualshouldbereadcarefullybeforeusingthisproductforthefirsttimeandbefore performingmaintenance.Thismanualshouldbestoredintheproductliteratureholderorinthe productliteraturestoragearea.Immediatelyreplacethismanualiflost,damaged,orunreadable.This manualmaycontainsafetyinformation,operationinstructions,transportationinformation,lubrication information,andmaintenanceinformation.Somephotographsorillustrationsinthispublicationshow detailsorattachmentsthatcanbedifferentfromyourproduct.Guardsandcoversmighthavebeen removedforillustrativepurposes.Continuingimprovementandadvancementofproductdesignmight havecausedchangestoyourproduct,whicharenotincludedinthispublication.Wheneveraquestion arisesregardingyourproduct,orthispublication,consultyourdealerforthelatestavailable information.
Safety
Thesafetysection,ifpresent,listsbasicsafetyprecautions.Inaddition,thissectionidentifiesthetext andlocationsofsafetymessagesusedontheproduct.Readandunderstandthebasicprecautions listedinthesafetysectionbeforeoperatingorperforminglubrication,maintenance,andrepaironthis product.
Operation
Theoperationsection,ifpresent,isareferenceforthenewoperatorandarefresherforthe experiencedoperator.Thissectionincludesadiscussionofgauges,switches,controls,attachment controls,transportation,andtowinginformation(ifapplicable).Photographsandillustrationsguide theoperatorthroughcorrectproceduresofchecking,starting,operating,andstoppingtheproduct.
This is the sample of the manual Click on the download link for complete Manual
