M-Series Abrasive Blaster www.BlastOne.com INSTALLATION, OPERATION & MAINTENANCE MANUAL
M-Series Abrasive Blaster
www.BlastOne.com
INSTALLATION, OPERATION & MAINTENANCE MANUAL
2
MANUAL CONTENTS
INTRODUCTION
4 Warning
6 Using This Manual
7 WarningDecalIdentificationandLocations
RULESFORSAFEROPERATION
9 GeneralRuleForSaferOperation
9 KnowYourEquipment
9 ReceiveProperTraining
9 ProtectYourFeet
10 ProtectYourEyes
10 ProtectYourLungs
10 BreathingAirQuality
11 ProtectYourHearing
11 ProtectYourPerson
11 AdhereToAllRegulations
11 StayAlert
11 DoNotUseDrugs,AlcoholOrMedication
12 ProtectBystanders
12 KeepChildrenAndVisitorsAway
12 AvoidDangerousEnvironments
12 ElectricallyGroundEquipment
12 MaintainVesselIntegrity
13 NeverOperateOverMaximumWorkingPressure
13 InstallPressureReliefDevice
13 NeverOperateBeyondAllowableTemperatureRange
13 As1210-2010Class3NameplateRequired
13 DoNotModifyVessel
14 DoNotHammerOnVessel
14 FireDamageNotice
14 InspectVesselRegularly
14 CheckForLeaksInVessel
14 NeverModifyBlowDown
14 DepressuriseVesselBeforePerformingMaintenance
15 AlwaysUseRemoteControls
15 NeverUseBleederTypeDeadmanVales
15 CheckForDamagedParts
15 AlwaysUseSafetyPinsOnHoseCouplingConnections
15 AlwaysUseCorrectReplacementPartsandAccessories
16 AlwaysUseCorrectPressureRatedAccessories
16 NeverAimBlastNozzleTowardsAnyPerson
16 NeverUseAbrasiveNotIntendedForBlastEquipment
16 CheckAbrasiveForDebris
16 StopOperationImmediatelyIfAnyAbnormalityIs Detected
16 Maintain Warning Decals
17 SaveThisOperationandMaintenanceManual
17 SafetyReferences
SPECIFICATIONS&GENERALINFORMATION
18 NotesToDistributorsandOwners
18 MiniAbrasiveBlastingSystemOperationalSpecifications
19 ImportantReferenceNumbers
19 VesselInformation
19 DimensionalSpecifications
20 LiftingDiagram
SYSTEMREQUIREMENTS&PPE
21 CompressedAirRequirements
21 AirCompressorSize
21 BlastSystemAirSupplyLine
21 BlastSystemAirPressure
21 BlastSystemAirQuality
21 ElectricalRequirements
22 AbrasiveSelection
22 BreathingAirQuality
23 PersonalProtectiveEquipment(Ppe)
GENERALOPERATION
24 GeneralOperation
27 AirSupplyConnection
27 AirInletBallValve(Pressurize)
27 BlowdownBallValve(Depressurize)
28 PopupWithEyebolt(AbrasiveInlet)
28 AirSupply
3
Fillinyourmodelandserialnumberintheblankspacesbelow.Thesecanbeusedforreferencewheneverservice ormaintenanceisrequired.
UnitSerialNumber
DateOfIssue
Donotattempttooperatethisequipmentwithoutfirstreadingandunderstandingthemanualenclosedwiththisdevice.Suitabilityforuseofthisdeviceliessolelywithuser.
WARNING
29 RegulatedTank/BlastPressureRegulator
29 FullPressureBypass
29 GateValve(DifferentialPressureControl)
29 AutomaticAirValve
30 ThompsonValve®Ii
30 AbrasiveShutoffValve
31 DeadmanValve/Switch
32 AbrasiveCut-Off
33 AbrasiveVibrator
33 WaterSystem
33 BlastHose
33 BlastNozzle
34 HoseConnection
PRE-OPERATIONPROCEDURES
35 AbrasiveBlasterSetupProcedure
36 AbrasiveBlasterDepressurizingProcedure(Blowdown)
38 HandwayCoverInstallationProcedure
OPERATIONINSTRUCTIONS
40 FillingTheBlasterWithAbrasive
41 BeginningTheBlastingOperation
42 EndingTheBlastOperation
MAINTENANCE&INSPECTIONINSTRUCTIONS
44 Maintenance&InspectionInstructions
48 MaintenanceSchedulesQuickReferenceChart
DRAWING&PARTSLISTS
49 Drawing&PartsLists
SPAREPARTSLISTS
65 SparePartsLists
TROUBLESHOOTING
67 MalfunctionWithDeadmanLeverInThe“Off”Position
68 MalfunctionWithDeadmanLeverInThe“On”Position
69 NotesOnAbrasiveFlowProblems
WARRANTY
71 Warranty
71 WarrantyPolicy
72 SafetyInformationSources
BLASTINGDATA
73 TableOfBlastAbrasiveCharacteristics
73 ApproximateAirConsumption(Cfm)PerBlastNozzle
74 AbrasiveConsumption(Lbs.PerHour)PerBlastNozzle
74 HoseSelectionGuide(Blasting@100Psi)
74 AdditionalInformationOnBlastingProductivity
4
INTRODUCTION
WARNING1. Anypersonintendingtooperatethisequipmentoranypersonintendingtobeinthevicinity
duringitsoperationmustreceivepropertrainingfromhis/hersupervisor,employerand/orsupplier.Ifthisequipmentistobeleasedorrented,thesuppliermustassurethatthelesseeorrenterhasreceivedpropertrainingbeforethelesseeorrentertakespossessionoftheequipment.ConsultBlastOne.
2. AnypersonauthorizedtooperatethisequipmentoranypersonintendingtobeinthevicinityduringitsoperationandwhoisnotcapableofreadingandunderstandingthismanualmustbefullytrainedregardingtheRulesforSaferOperationandalloperatingprocedures,andmustbemadeawareofalltheDangers,Warnings,andCautionsidentifiedherein.ConsultBlastOne.
3. DoNotoperateanyabrasiveblasterorblastequipmentbeforereadingandcompletelyunderstandingallthewarnings,operatingproceduresandinstructions,andtheRulesforSaferOperationcontainedinthismanual.
4. DoNotoperateanyabrasiveblasterorblastequipmentwithoutfollowingtheRulesforSaferOperationandalltheoperatingproceduresandinstructions.Failuretoproperlyuseblastequipmentcouldresultinseriousinjuryordeath.
5. DoNotperformanymaintenanceonanyabrasiveblasterorblastequipmentwhileitispressurized.Alwaysdepressurizetheabrasiveblastervesselbeforeloadingabrasiveorperforminganymaintenance.
6. DoNotuseabrasivescontainingfreesilica.Silicacancausesilicosisorotherrelatedrespiratorydamage.Youmustwearpersonalprotectiveequipmentforallabrasiveblastingoperations.Observeallapplicablelocal,stateandfederalsafetyregulationsinconjunctionwithairlinefiltersandrespiratoryprotection. ReferenceOSHA29CFR1910.134.
7. DoNotenterareasduringabrasiveblastingoperationswithoutbreathingprotection.AllpersonnelinthevicinityofabrasiveblastingoperationsshouldwearNIOSHapprovedairfedrespirators,hoodsorhelmets.
8. DoNotmodifyoralteranyabrasiveblaster,blastequipmentorcontrolsthereofwithoutwrittenconsentfromBlastOne.
9. DoNotusebleedertypedeadmanvalvesonanyBlastOneabrasiveblaster.TheuseofA-BEC,Clemcoorasimilarbleedertypedeadmanvalvecancauseunintentionalstart-upwithoutwarning,whichcanresultinseriouspersonalinjury.
10.DoNotsell,rent,oroperateabrasiveblasterswithoutremotecontrols.OSHAregulationsrequireremotecontrolsonallblastmachines.Failuretouseremotecontrolscancauseseriousinjuryordeathtotheoperator(s)orotherpersonnelintheblastingarea.ReferenceOSHA29CFR1910.244(b).
5
INTRODUCTION
11.DoNotrepairorreplaceanyportionofBlastOneequipmentusingcomponentsthatarenotBlastOneoriginalfactoryreplacementparts.UseofreplacementcomponentsthatarenotBlastOneoriginalfactoryreplacementpartsmayresultinequipmentfailurewhichcanresultinseriouspersonalinjuryandinadditionwillvoidallwarranties.
6
INTRODUCTION
USING THIS MANUALThismanualcontainsinformationneededtooperateandmaintainyourabrasiveblaster.Readthisentireoperationsandmaintenancemanualbeforeusingyourabrasiveblaster.PaycloseattentiontotheRulesforSaferOperation(page9),andtheDangers,Warnings,andCautionsidentified.
Thepurposeofsafetysymbolsandexplanationsaretoalertyouofthepossiblehazardsandexplainhowtoavoidthem.Thesafetysymbolsandexplanationsdonotbythemselveseliminateanydanger.However,followingtheinstructionsgivenandtakingproperaccidentpreventionmeasureswillgreatlylowertheriskofinjurytopersonnel.Belowarethehazardlevelsasusedinthismanual.
WHITE LETTERS with a RED BACKGROUND
Indicatesanimminentlyhazardoussituation,that,ifnotavoided,willresultindeathorseriousinjury.Thissignalwordislimitedtothemostextremesituations.
DANGER
WHITE LETTERS with an ORANGE BACKGROUND
Indicatesapotentiallyhazardoussituationthat,ifnotavoided,couldresultindeathorseriousinjury.Itmayalsobeusedtoalertagainstunsafepracticesthatmaycausepropertydamage.
WARNING
Thismanualcontainstermsthatmaybespecifictotheabrasiveblastindustry.Understandingthesetermswillhelpyouunderstandtheproceduresandinstructionsgiveninthismanual.Pleasefamiliarizeyourselfwiththefollowingtermsandrefertothemasneededwhilereadingthismanual.
TERM DEFINITION
PressureVessel Afabricatedtank(orreservoir)thatispartoftheabrasiveblasterwhichisfilledwithcompressedairandabrasive.(Alsoreferredtoas“blastvessel”or“vessel”.)Pressurize Tomanuallyorautomaticallyfilltheabrasiveblastvesselwithcompressedair.
Depressurize Tomanuallyorautomaticallyreleaseallthecompressedairfromtheinsidetheabrasiveblastvessel.(Alsoreferredtoas“blowdown”)
Blowdown Tomanuallyorautomaticallyreleaseallthecompressedairfrominsidetheabrasiveblastvessel.(Alsoreferredtoas“depressurize”.)
DeadmanAmanuallyoperatedvalveorswitchthatallowsremotestartingandstoppingoftheblastoperation.Alsoreferredtoas“deadmanvalve”(pneumaticblastcontrols)or“deadmanswitch”(electricblastcontrols.)
Popup Anairpressureoperatedvalvethatsealstheabrasiveinletatthetopoftheabrasiveblasterpressurevessel.Itsoperationmaybemanualorautomatic.
Abrasive Agranularsubstanceusedinanairblastoperationthatisthemeansforblastingthesurfaceofanobject.(Alsoreferredtoasabrasiveblastingmedia.)
SilicaThecrystallinechemicalcompoundsilicondioxide(SiO2)whichcanbefoundinmanynaturalabrasivesandothersubstances.Breathingsilicadustcancauserespiratorydiseasessuchassilicosis.(Alsoreferredtoascrystallinesilica)
7
INTRODUCTION
WARNING DECAL IDENTIFICATION AND LOCATIONSListedbelowarethewarningsdecalsandthecorrespondinghazardsrelatedtothisequipment.RefertoFigure3to5forimagesofthewarningdecals.RefertoFigure6forthelocationsofthesewarningdecalsontheMistBlaster.
NO. QTY. PART NO. DESCRIPTION HAZARD
1 1 “BlastOne” NotApplicable
2 1 7031-054“Warning”Airborneparticlesandloudnoisehazard
Airborneparticlesandloudnoisefromblastnozzleandblowdowncancauseinjuryandlossofhearing.Wearapprovedeyeandearprotection.SeeWarningonpage5andFigure9.
3 1 7031-007A
“Danger”Pressurizedvessel
Propelledobjectswillcauseseriousinjuryordeath.Depressurizevesselpriortoperforminganymaintenance.SeeAbrasiveBlasterDepressurizingProcedure(Blowdown)onpage36.
4 1 7031-057“Warning”Readmanualbeforeusingthismachine.
Readandunderstandoperator’smanualbeforeusingthismachine.Failuretofollowoperatinginstructionscouldresultininjuryordamagetoequipment.SeeWarningonpage5.
5 1 7034-001
Welded“Warning”plate.Generalhazardandadvisorynotes.
Steel“Warning”plateweldedtopressurevesselwhichisagenerallistofrequiredactionstotakebeforeandduringtheoperationofthisequipment.SeeWarningonpage5.
Figure1
Figure2
Figure5
8
INTRODUCTION
Figure3 Figure4
Figure6
9
RULES FOR SAFER OPERATION
GENERAL RULE FOR SAFER OPERATIONMistBlastershavebeendesignedtobesafewhenusedinthepropermanner.AllMistBlastersarepotentiallydangerousifallsafetyprecautionsarenotrigorouslyfollowed.Propertrainingisrequiredbeforeoperation.Properproceduresmustbefollowed.TheMistBlasterandallcomponentsmustbeproperlymaintained.Failuretooperate,serviceandmaintaintheMistBlasterassetforthinthismanualmaycauseinjuryorevendeathtoanypersonusing,servicingorinthevicinityoftheMistBlaster.
Thismanualidentifiespotentialhazardsbydanger,warningandcautionsymbols.However,alltherules,proceduresandrecommendationsmustbefollowed.Failuretooperateproperlyisverylikelytoplacepersonsandpropertyathighriskofdamage,injuryorevendeath.
MistBlastersandtheabrasiveblastoperationarepotentiallydangerousifallsafetyprecautionsarenotfollowed.Failuretooperatetheabrasiveblasterwithoutfollowingalltherulesforsaferoperationsmayresultinseriousinjuryordeathtooperatingpersonnelorpersonintheoperatingvicinity.
DANGER
KNOW YOUR EQUIPMENTDoNotoperatethisequipmentinamannerotherthanitsintendedapplication(seeSystemRequirements&PPEonpage21).
DoNotoperatethisequipmentoranyotherBlastOneequipmentwithoutfollowingtheRulesforSaferOperationandalltheoperatingproceduresandinstructions.Learntheapplicationsandlimitationsaswellasthespecificpotentialhazardsrelatedtothismachine.Failuretodosocouldresultinseriousinjuryordeath.
RECEIVE PROPER TRAININGDoNotoperatethisequipmentunlessyouhavereceivedyouroperationalandmaintenancetraining.Beginbythoroughlyreadingandunderstandingthisoperationandmaintenancemanualandallincludedinformation.ConsultanauthorizedBlastOneconsultantorattendaBlastOnetrainingsession.
PROTECT YOUR FEETDoNotoperatethisequipmentwithoutwearingOSHAapprovedfootprotection.Observeallapplicablelocal,stateandfederalregulations.SeeFigure9andOSHA29CFR1910.136.
Heavyobjectscanshiftwhilebeingblastedandmayfallonoperators.Wearfootprotectiontopreventinjury.SeeFigure9andOSHA29CFR1910.136.
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RULES FOR SAFER OPERATION
Abrasiveblastingproducesdustwhichmaycontainsilicaandothertoxicsubstancesthatcancausesevereandpermanentlungdamage,cancer,andotherseriousdiseasesifinhaled.WearOSHAapprovedrespiratoryprotection.SeeFigure9andOSHA29CFR1910.134.
DANGER
PROTECT YOUR EYESDoNotoperatethisequipmentwithoutwearingOSHAapprovedsafetyglasses.Observeallapplicablelocal,stateandfederalsafetyregulations.SeeFigure9andOSHA29CFR1910.133.
Whenfillingtheblastvesselandduringtheblastoperation,abrasivecanbeblowninthefaceandeyesofoperators.WearOSHAapprovedsafetyglasses.SeeFigure9andOSHA29CFR1910.133.
WARNING
PROTECT YOUR LUNGSDoNotoperatethisequipmentwithoutwearingOSHAapprovedrespiratoryprotection.Abrasiveblastingproducesdustcontaminatedwithtoxicsubstancesfromtheabrasiveused,thecoatingbeingremoved,andtheobjectbeingblasted.ThisdustmaycontainSilicawhichcancausesevereandpermanentlungdamage,cancer,andotherseriousdiseasesifinhaled.DoNotbreathethedust.DoNotrelyonyoursightorsmelltodetermineifdustisintheair.Silicaandothertoxicsubstancesmaybeintheairwithoutavisibledustcloud.Ifair-monitoringequipmentforSilicaisnotprovidedattheworksite,thenallpersonnelMUSTwearappropriaterespiratoryprotectionwhenusingorservicingthisequipment.Breathingairsuppliedtorespiratorsmustbeofacceptablequality.ConsultyouremployerandOSHAregardingtheappropriaterespiratoryprotectionandbreathingairquality.SeeFigure9,andOSHA29CFR1910.134.
BREATHING AIR QUALITYDoNotusebreathingairthatdoesnotmeetOSHAClassDstandards.Extremecautionmustbetakenwhenselectingasourceofbreathingair.Breathingairprovidedbyanoil-lubricatedaircompressorcancontaincarbonmonoxideandthereforeuseofacarbonmonoxidedetectorisrequired(SeeFigure9).Carbonmonoxidecanbeinthecompressedairproducedbyanoillubricatedaircompressorwhenitisoperatedatextremelyhightemperature;thereforeahightemperaturealarmisrequiredtoalerttheoperatorswhenthisconditionexists.ReferenceOSHA29CFR1910.134(i).
Extremecautionmustbetakenwhenconnectingtofactoryairsources.Factoriescanhavesourcesofcompressedgasessuchasnitrogenwhichisfatalifusedasabreathingairsource.Verifythattheairsourceisbreathableair.
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RULES FOR SAFER OPERATION
BreathingairmustmeetOSHAClassDstandards.UseofbreathingairsourcesthatdonotmeetClassDstandardscancauseasphyxiationandresultindeath.Verifythatallairsourcesarebreathablequalityanduseahigh-temperaturealarmandacarbonmonoxidemonitorwhenrequired.SeeFigure9andOSHA29CFR1910.134(i).
EnclosedblastareasmustbeventilatedtoreduceairbornedusttoanacceptablelevelasrequiredbyOSHA29CFR1910.1000
DANGER
PROTECT YOUR HEARINGDoNotoperatethisequipmentwithoutwearingOSHAapprovedhearingprotection.Observeallapplicablelocal,stateandfederalsafetyregulations.SeeFigure9andrefertoOSHA29CFR1910.95.
Loudnoiseisgeneratedbytheblastnozzleandtheblowdownoperationofthisequipment.WearOSHAapprovedhearingprotection.SeeFigure9andrefertoOSHA29CFR1910.95.
WARNING
PROTECT YOUR PERSONAbrasiveblastingproducesdustcontaminatedwithtoxicsubstancesfromtheabrasiveused,thecoatingbeingremoved,andtheobjectbeingblasted.Allblastoperatorsandotherpersonnelinvolvedintheblastoperationorinthevicinityoftheblastoperationshouldwearprotectiveclothing.Theprotectiveclothingshouldbedisposableorwashableworkclothesthatshouldberemovedattheworksitesothatcontaminateddustisnottransferredintoautomobilesorhomes.SeeFigure9andrefertoOSHA29CFR1910.94and1910.134.
ADHERE TO ALL REGULATIONSDoNotoperatethisequipmentwithoutobservingalllocal,state,andfederalsafetyregulationsincluding,butnotlimitedto,OSHA(OccupationalHealthandSafetyAdministration).
STAY ALERTDoNotoperatethisequipmentwhenyouaretiredorfatigued.Usecautionandcommonsensewhileoperatingand/orperformingmaintenanceonthisequipment.
DO NOT USE DRUGS, ALCOHOL OR MEDICATIONDoNotoperatethisequipmentwhileundertheinfluenceofdrugs,alcohol,oranymedication.
12
RULES FOR SAFER OPERATION
PROTECT BYSTANDERSDoNotallowblastequipmentoperatorsandotherpersonneltoenterthevicinityoftheblastoperationwithoutprovidingrespiratoryprotectiveequipmentthatmeetsOSHAregulations.IfdustconcentrationlevelsexceedthelimitationssetinOSHA29CFR1910.1000thenrespiratorsarerequired.
KEEP CHILDREN AND VISITORS AWAYDoNotallowchildrenorothernon-operatingpersonneltocontactthisequipmentortheconnectinghosesandcords.Keepchildrenandnon-operatingpersonnelawayfromworkarea.
AVOID DANGEROUS ENVIRONMENTSDoNotoperatethisequipmentwithoutfamiliarizingyourselfwiththesurroundingenvironment.Theblastoperationcreateshighlevelofnoisewhichwillpreventtheoperatorfromhearingotherpossibledangers(i.e.Trafficormovingequipment).Insuchsituationsastand-bywatchpersonmaybenecessarytopreventinjurytopersonnel.
DoNotusethisequipmentinareasclutteredwithdebris.Debrisintheworkareacancreatetrippinghazardswhichcancausetheoperatortoloosecontroloftheblasthoseandresultininjurytooperatingpersonnel.Keepworkareacleanandwelllit.Whenworkingatanelevatedlocation,payattentiontoarticlesandpersonsbelow.
DoNotoperatethisequipmentinelevatedareaswithoutusingfallprotectionequipment.Certainapplicationsofthisequipmentmayrequiretheuseofscaffolding.Useofscaffoldingcreateshazardoussituationssuchastrippingandfallhazardswhichcanresultinseriousinjuryordeathtooperatingpersonnel.ConsultOSHA29CFR1910SubpartD.
DoNotblastobjectsthatarenotproperlysecured.Theblastoperationcancausetheblastedobjecttoshiftormove.Extremelylargeobjectstobeblastedcancreateacrushhazardtooperatingpersonnelwhichcanresultinseriousinjuryordeath.Properlysecuretheobjecttobeblasted.
DoNotblastobjectsusedtostoreflammablematerials.Theblastoperationcancausesparkswhichcanignitefumesorresidualflammablematerialsinsideenclosedcontainerswhichcanexploderesultinginseriousinjuryordeathtooperatingpersonnel.
ELECTRICALLY GROUND EQUIPMENTStaticelectricityisgeneratedbytheabrasiveflowthroughtheblasthose.Topreventstaticelectricalshocktooperatingpersonnelonlyusestaticdissipatingblasthoseandinstallagroundingstrapontheabrasiveblaster.SeeDeadmanValve/Switchonpage30andAbrasiveBlasterSetupProcedureonpage35.
MAINTAIN VESSEL INTEGRITYDoNotoperatethisequipmentwiththepressurevesseldamaged,orwithanypartofitwornordamaged.DoNotoperatethisequipmentinaconditionthatmaycausefailureofthepressurevessel.SeeDoNotModifyVesselandCheckforDamagedPartsonpages13-15.
13
RULES FOR SAFER OPERATION
AnabrasiveblasterisaPressurizedVessel.Alterations,damage,ormisuseofthepressurevesselcanresultinrupturing.Damagedorincorrectcomponentsusedontheabrasiveblastercanresultinrupturing.Thecompressedairinsideapressurizedvesselcontainsadangerouslyhighlevelofenergywhichcanpropelobjectsandcauseseriousinjuryordeath.
DANGER
NEVER OPERATE OVER MAXIMUM WORKING PRESSUREDoNotoperatethisequipmentabovemaximumallowableworkingpressure(MAWP)atmaximumoperatingtemperature(°F)shownontheAS1210-2010Class3nameplateattachedtothevessel.SeeKnowyourEquipmentonpage8andMaintenance&InspectionInstructions(list#1)onpage44.
INSTALL PRESSURE RELIEF DEVICEDoNotoperatethisequipmentwithoutapressurereliefdeviceinplace.TheAS1210-2010Class3requiresthatallvesselsbeequippedwithpressurereliefdevicespriortoinstallation.Thepressurereliefdevicemustbesetatthemaximumallowableworkingpressureoftheabrasiveblaster.SeetheAS1210-2010Class3nameplateattachedtothevesseltypicallylocatedabovethehandyway.SeeAbrasiveBlasterSetupProcedure(list#2)onpage35forinformationregardingthepressurereliefvalve.
NEVER OPERATE BEYOND ALLOWABLE TEMPERATURE RANGEDoNotoperatethisequipmentabovethemaximumallowabletemperatureattheallowablepressureorbelowtheminimumdesignmetaltemperature(MDMT)shownonthepressurevesselnameplate.Thecharacteristicsofthepressurevesselmetalareweakenedwhenthetemperatureisoutsidetheoperatingrange.Operatingthepressurevesseloutsideofallowabletemperaturerangecanresultinrupturingandcauseseriousinjuryordeath.
AS1210-2010 CLASS 3 NAMEPLATE REQUIREDDoNotoperatethisequipmentiftheAS1210-2010Class3pressurevesselnameplateismissing.ContactBlastOnefortechnicalsupport.
DO NOT MODIFY VESSELDoNotmodifyoralteranyabrasiveblaster,blastequipment,orcontrolsthereofwithoutwrittenconsentfromBlastOne.DoNotweld,grind,orsandthepressurevessel.Itwillnotbesafetooperate.Non-authorizedmodificationscouldleadtoseriousinjuryordeath.Non-authorizedmodificationswillvoidthewarrantyandtheAS1210-2010Class3certification.
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RULES FOR SAFER OPERATION
AnabrasiveblasterisaPressurizedVessel.Thecompressedairinsideapressurizedvesselcontainsadangerouslyhighlevelofenergywhichcanpropelobjectsandcauseseriousinjuryordeath.Depressurizevesselbeforeperforminganymaintenance.SeeAbrasiveBlasterDepressurizingProcedure(Blowdown)onpage36.
DANGER
DO NOT HAMMER ON VESSELDoNothammeronorstrikeanypartofthepressurevessel.Hammeringonthepressurevesselcancreatecracksandcauserupturing.
FIRE DAMAGE NOTICEDoNotoperateifthepressurevesselhasbeendamagedbyfire.Ifdamaged,takeoutofserviceimmediatelyandhaveitinspectedand/orrepairedbyaqualifiedfacility.ContactBlastOnefortechnicalsupport.
INSPECT VESSEL REGULARLYDoNotoperatethisequipmentwithdamagetothepressurevessel.Itisnotsafe.Inspectoutsideandinsideofthepressurevesselregularlyforcorrosionordamage(i.e.dents,gougesorbulges).Ifdamaged,takeoutofserviceimmediatelyandhaveitinspectedand/orrepairedbyaqualifiedfacility.ContactBlastOnefortechnicalsupport.SeeMaintenance&InspectionInstructionsonpage44.
CHECK FOR LEAKS IN VESSELDoNotoperatethisequipmentifthereisaleakinthepressurevessel.Ifleaking,takeoutofserviceimmediatelyandhaveitinspectedand/orrepairedbyaqualifiedfacility.ContactBlastOnefortechnicalsupport.
NEVER MODIFY BLOW DOWNDoNotconnecttheblowdownonthisequipmentontoacommonheaderwithanyotherunitofanydescription,oranyothersourceofcompressedair,withoutfirstmakingsureacheckvalveisusedbetweentheheaderandthisunit.DoNotinstallthisequipmentsharingpipingwithanotherunitofhigherdischargepressureandcapacity.Asafetyhazardcouldoccurintheformofaback-flowcondition.
DEPRESSURISE VESSEL BEFORE PERFORMING MAINTENANCEDoNotremove,repair,orreplaceanyitemonthisequipmentwhileitispressurized.DoNotattempttoperformmaintenanceorloadabrasivewhilethisequipmentispressurizedorisevencapableofbeingpressurized.Thismeanstheinletballvalveshouldbeclosedandtheairsupplyshouldbeshutoffordisconnected.Anytimethemanualblowdownvalveiscloseditshouldbeassumedthattheabrasiveblastvesselispressurized.
15
RULES FOR SAFER OPERATION
ALWAYS USE REMOTE CONTROLSDoNotsell,rent,oroperateabrasiveblasterswithoutremotecontrols.OSHAregulationsrequireremotecontrolsonallabrasiveblasters.Allabrasiveblastersmustbeequippedwithautomatic(deadman)typeremotecontrols(eitherpneumaticorelectric).Failuretouseremotecontrolscancauseseriousinjuryordeathtotheoperator(s)orotherpersonnelintheblastingarea.ReferenceOSHA29CFR1910.244(b).
NEVER USE BLEEDER TYPE DEADMAN VALESDoNotusebleedertypedeadmanvalvesonanyBlastOneabrasiveblaster.TheuseofA-BEC,Clemco,orasimilarbleedertypedeadmanvalvecan,withoutwarning,causeunintentionalstartupwhichcanresultinseriouspersonalinjury.Aparticleofdirtfromtheairhosecanplugthebleedholeinthedeadmanvalveandcausetheblastoutlettoturnon.
CHECK FOR DAMAGED PARTSDoNotusethisequipmentwithdamagedcomponents.Damagedcomponentscanfailduringoperationandresultinseriousinjuryordeathtooperatingpersonnel.Periodicallycheckallvalves,hoses,andfittingstoseethattheyareingoodcondition.Repairanycomponentthatshowsanysignofwearorleakage.SeeMaintenance&InspectionInstructionsonpage44.
ALWAYS USE SAFETY PINS ON HOSE COUPLING CONNECTIONSDoNotusethisequipmentwithouthosecouplingsafetypinsinplaceandhosewhipchecksinstalledonallairandblasthoses.Allblasthosecouplingsandairhosecouplingshavepinholesthatmustbesafetypinnedtopreventaccidentaldisconnections.Accidentalhosedisconnectioncancauseseriousinjuryordeath.SeeWaterSystemonpage32andMaintenance&InspectionInstructions(#6)onpage46.
ALWAYS USE CORRECT REPLACEMENT PARTS AND ACCESSORIESDoNotusereplacementpartsoraccessoriesthatarenotratedforpressuresequaltoorhigherthantheabrasiveblasteroperatingpressure.Improperhosesand/orfittingsusedon,orconnectedtoyourabrasiveblastercanruptureandcauseseriousinjuryordeath.
DoNotusereplacementpartsthatarenotBlastOneoriginalfactoryreplacementparts.Non-originalpartsmaynotfitproperlyandcancauseequipmentdamageand/orfailurewhichcanresultinseriousinjurytooperatingpersonnel.ConsultBlastOnefortechnicalsupport.
UseofreplacementcomponentsthatarenotBlastOneoriginalfactoryreplacementpartsmayresultinequipmentfailurewhichcanresultinseriousinjurytooperatingpersonnel.
WARNING
16
RULES FOR SAFER OPERATION
ALWAYS USE CORRECT PRESSURE RATED ACCESSORIESDoNotuseairreservoirsormoistureseparatortanksthatarenotratedforuseincompressedairapplications.Airreservoirsandmoistureseparatortankslargerthan6inchesinsidediametermusthaveanAS1210-2010Class3codestamp.
AnairreservoirormoistureseparatortankisaPressurizedVessel.Thecompressedairinsideapressurizedvesselcontainsadangerouslyhighlevelofenergywhichcanexplodepropellingobjectsandresultinseriousinjuryordeathtooperatingpersonnel.AirreservoirandmoistureseparatortanksmustbeASMEcodedtanks.
DANGER
NEVER AIM BLAST NOZZLE TOWARDS ANY PERSONDoNotaimtheblastnozzletowardsyourselforanyperson.Systemmalfunctioncancauseaccidentalstartupandresultininjurytopersonnel.
NEVER USE ABRASIVE NOT INTENDED FOR BLAST EQUIPMENTDoNotuseabrasiveblastmediacontainingfreeSilica.Silicacancausesilicosisorotherrelatedrespiratorydamage.Verifythattheabrasiveisintendedforuseinblastingequipment.Personalprotectiveequipment,includingairlinefiltersandrespirators,mustbeusedforallabrasiveblastingoperations.Observeallapplicablelocal,stateandfederalsafetyregulations.SeeFigure9andreferenceOSHA29CFR1910.134.
CHECK ABRASIVE FOR DEBRISDoNotuseblastabrasivethatcontainstrashorotherdebris.Trashordebriscancreateablockageandcauseequipmentmalfunction.Screenrecycledabrasivetoremovetrash.
STOP OPERATION IMMEDIATELY IF ANY ABNORMALITY IS DETECTEDDoNotoperatethisequipmentifanythingabnormalisseenduringoperation.Stopoperationimmediatelyforinspection.
MAINTAIN WARNING DECALSDoNotremove,cover,obstruct,orpaintoveranywarnings,cautions,orinstructionalmaterialattached.Warningdecalsmustbeinstalled,maintained,andlocatedtobevisibleandwithenoughlightforlegibility.SeeWarningonpage4andMaintenance&InspectionInstructions(#11)onpage47.
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RULES FOR SAFER OPERATION
SAVE THIS OPERATION AND MAINTENANCE MANUALRefertothisoperationandmaintenancemanualasneededaswellasanyadditionalinformationincludedfromothermanufacturers.Neverpermitanyonetooperatethisequipmentwithouthavinghim/herfirstreadthismanualandreceivepropertraining.Makethismanualreadilyavailabletoalloperatingandmaintenancepersonnel.Ifthemanualbecomeslostorillegiblereplaceitimmediately.Thisoperationandmaintenancemanualshouldbereadperiodicallytomaintainthehighestskilllevel;itmaypreventaseriousaccident.
SAFETY REFERENCESSeeSafetyInformationSourcesonpage72forsafetyinformationsourcesandcontactinformation.Usethesesourcestoobtainadditionalinformationregardingallaspectsofblastoperationsafety.UseofreplacementcomponentsthatarenotBlastOneoriginalfactoryreplacementpartsmayresultinequipmentfailurewhichcanresultinseriousinjurytooperatingpersonnel.
18
SPECIFICATIONS & GENERAL INFORMATION
NOTES TO DISTRIBUTORS AND OWNERS1. Verifythatthedeadman,twinline(orcord),andtheoperationandmaintenancemanualare
withtheblastervesselwhenitisreceived.Verifythatthedeadman,twinline(orcord),andtheoperationandmaintenancemanualarewiththeblastervesselwhenitisdeliveredtothepurchaser.
2. Thisequipmentisintendedforknowledgeableandexperiencedusers.Nopersonorpersonsshouldbeallowedtooperatethisequipmentwithoutfirstreceivingpropertraininginabrasiveblastingoperationanduseofthisequipment.
3. ImmediatelynotifyBlastOneofanyinstancesofuseofthisequipmentinanymannerotherthantheintendedapplication.SeeSystemRequirements&PPEonpage21.
4. Onlyqualifiedpersonnelshouldloadandunloadthisequipmentforshipping.Slingsorotherliftingdevicesmustonlybeattachedtothedesignatedliftingpoints(SeeBreathingAirQualityonpage10).
5. Forfurtherinformationcontact:
BlastOneInternational 1-12BruceAvenue, Marleston,SouthAustralia5033
Phone:1800882229 Fax:(08)82922001 Website:www.BlastOne.com.au
MINI ABRASIVE BLASTING SYSTEM OPERATIONAL SPECIFICATIONSMaximumWorkingPressure 150psig@250°F(seeASMEnameplate)
MinimumMetalTemperature -20°F@150psig(seeASMEnameplate)
AirConsumption SeeBlastingDatatable1onpage73
AbrasiveConsumption SeeBlastingDatatable2onpage73
BlastHoseSize SeeBlastingDatatable3onpage74
Electricalrequirements SeeLiftingDiagramonpage20
Abrasivecapacity M11:1.8cuft M21:2.0cuft M31:3.0cuft
19
SPECIFICATIONS & GENERAL INFORMATION
IMPORTANT REFERENCE NUMBERSFillintheMiniAbrasiveBlastermodelnumberandserialnumberintheblankspacesbelow.Thesewillbeusedforreferencewheneverserviceormaintenanceisrequired.
M11SlurryBlasterPartNumber________________________________________________
M11SlurryBlasterModelNumber______________________________________________
M11SlurryBlasterSerialNumber______________________________________________
VESSEL INFORMATION1. AllpressurevesselsusedinMiniAbrasiveBlastersaremanufacturedinstrictaccordancewith
theprovisionsoftheASMECodeSectionVIII,Div.1.ShouldManufacturer’sDataReportsberequired,theymaybeobtainedfromBlastOneforasmallfee.
2. Inordertomaintainthehighlevelofqualityandqualitycontrolusedinthemanufactureofthisvessel,itisrequiredthatanyandallweldedrepairstothisvesselbeperformedbyareputableshopholdingaNationalBoard“R”Stampand/oranASME“U”stamp,dependingonstateorcitylaw.WeldingonthevesselperformedbyweldersnotproperlyqualifiedpertheASMECodevoidstheASME/NBintegrityofthatparticularvessel.
DIMENSIONAL SPECIFICATIONS
MODEL NO. PART NO. HEIGHT INCHES (MM)WIDTH INCHES (MM)
LENGTH INCHES (MM)
WEIGHT LBS (KG)
M 11 8720-011 48(1219) 22(559) 33(838) 186(84)
M 21 8720-021 50(1270) 24(610) 33(838) 294(133)
M 31 8720-031 56(1422) 24(610) 33(838) 307(139)
20
SPECIFICATIONS & GENERAL INFORMATION
LIFTING DIAGRAM
Figure7
Figure8
21
SYSTEM REQUIREMENTS & PPE
COMPRESSED AIR REQUIREMENTSTheprimaryairconsumptionisbytheblastnozzle(s).Thisusagecanvarygreatlydependinguponthenumberofblastoutlets,nozzlesizeofeachoutlet,andtheblastpressure.SeeTable1inBlastingDataonpage73forairconsumptionbynozzlesizeatvariouspressures.
AIR COMPRESSOR SIZETheaircompressormustbelargeenoughtosupply:
• Thesumofblastairrequirementsforeachnozzleatthehighestpressurethatwillbeused.(SeeBlastingData,Table1onpage73).
• The12CFMbreathingairsuppliedtotheblastoperatorrespirator.Note: Reference OSHA regulations regarding requirements for breathing air, especially when an oil lubricated air compressor is used.
BLAST SYSTEM AIR SUPPLY LINETheairsupplyhoseandfittingsmustberatedataminimumof150psioperatingpressure.Theairsupplyhosefromtheaircompressortotheblastunitshouldbeatleastthesamediameterastheairinletpiping(seeDrawing&PartsListsonpage49).Thissizehosewillbelargeenoughtosupplytherequiredairflowtooperatetheblastunitcontrolsandeachblastnozzle.Note: If other equipment will be using the same source of air as the abrasive blaster, install a check valve at the air inlet. This will prevent back flow, which would carry abrasive into the control system.
BLAST SYSTEM AIR PRESSUREThemaximumoperatingpressurefortheabrasiveblasterisstampedontheASMEnameplateattachedtothevessel.TheMiniabrasiveblasterisequippedwithasystemairpressureregulatortoadjustblastpressurehowever,itisimportantthattheairsupplytothecontrolsystembeaminimumof55psig.Forthatreasontheairsupplytotheblastcontrolsistakenupstreamoftheregulator.SeeFigure14and15.
BLAST SYSTEM AIR QUALITYMoisturecondensationinablastsystemcausesabrasiveflowproblems.Condensationoccurswhenthehotvapourfilledcompressedaircoolsasitreachestheabrasiveblaster.Therefore,amoistureremovaldeviceisrecommended(i.e.Coalescingmoistureseparator,air-cooledaftercoolerordeliquescentdryer).
ELECTRICAL REQUIREMENTSOnunitsequippedwithelectricblastcontrolsthesupplyvoltageis12Vdcor24Vac.Themaximumpowerrequiredis:
1-outletwithoutabrasivecut-off:7watts
1-outletwithabrasivecut-off:14watts
22
SYSTEM REQUIREMENTS & PPE
ABRASIVE SELECTIONAbrasiveselectionislikelythemostdifficultdecisionrelatedtotheblastoperation.Choiceofabrasiveisbasedonfactorssuchasblastapplicationtype,desiredfinish,coatingrequirements,characteristicsofobjecttobeblasted,cost,abilitytorecycle,availableequipment,safety,andenvironmentalconstraints.
Therearemanyabrasivesavailablethatareeithernatural,manufactured,orprocessingby-products.Abrasivesareavailableinvaryingsizes,shapes,andhardness.Thesecharacteristicsdeterminetheresultingeffectonthesurfacetobeblastedandlimitationsofitsuse.Theeffectsontheblastedsurfacearemeasuredbyitsdegreeofcleanlinessandthesurfaceprofile.StandardsandrequiredlevelsofthesemeasurementsareestablishedbyorganizationssuchasSteelStructuresPaintingCouncil(SSPC),NationalAssociationofCorrosionEngineers(NACE)andcoatingmanufacturers.SeeSafetyInformationSourcesonpage72forcontactinformationoftheseorganizations.Usethesesourcestoobtaininformationregardingallaspectsofsurfacepreparationandabrasiveselectionguidelines.
Theabrasiveblasterisdesignedforhighproductionopenabrasiveblastingandisbestforusewithmineralandslagabrasives.Itistheresponsibilityoftheemployerandoperatorstoselecttheproperabrasive.Itistheresponsibilityoftheemployertomakecertainthattheabrasiveselectedissafetouseforabrasiveblasting.
AlwaysobtaintheMaterialSafetyDataSheet(MSDS)fortheabrasivetobeused.TheMSDSprovidesthechemicalmakeupoftheabrasive.DoNotuseabrasivescontainingtoxicmaterials.RefertoOSHA29CFRforacceptablelimitsofvarioustoxicsubstancesandadditionalmeasurestobetakentoprotectoperatingpersonnel.Alwaysuseabrasivescontaininglessthan1%ofcrystallinesilica.AlwaysuseaNIOSHapprovedrespiratorwhenhandling,loadingandcleaningupabrasives.OrganicsubstanceswhicharecombustiblemayonlybeusedinautomatedblastsystemswithventilationthatmeetsOSHA29CFR1910.94
WARNING
BREATHING AIR QUALITYAllblastoperatorsmustbesuppliedwithandrequiredtouseNIOSHapprovedair-fedrespirators.BreathingairsuppliedtotheserespiratorsmustmeetGradeDairqualitystandardsasspecifiedbyOSHA29CFR1910.134(i)andtheCompressedGasAssociationSpecificationsANSI/CGAG-7.1.Consultthesespecificationswhenselectingasourceofbreathingair.
Breathingairmustbeclean,dry,contaminant-free,andprovidedatapressureandvolumespecifiedbyNIOSH.UseNIOSHapprovedairfiltersonallsourcesofbreathingair.SeeFigure9.
Breathingairfiltersdonotremovecarbonmonoxideoranyothertoxicgases.Useacarbonmonoxidemonitortodetectunacceptablelevels.ConsultOSHA29CFR1910.134(i).
DANGER
23
SYSTEM REQUIREMENTS & PPE
Manysourcesofbreathingairareavailablesuchasaircylinders,free-airpumps,oil-lessaircompressors,andoillubricatedaircompressors.Themostcommonlyusedisthesameaircompressorthatisusedfortheblastairwhichmostoftenisoillubricated.Breathingairprovidedbyanoil-lubricatedaircompressorcancontaincarbonmonoxideandthereforerequirestheuseofacarbonmonoxidedetector(SeeFigure9).Carbonmonoxidecanbeinthecompressedairproducedbyanoil-lubricatedaircompressorwhenitisoperatedatextremelyhightemperature;therefore,ahightemperaturealarmisrequiredtoalerttheoperatorswhenthisconditionexists.
Oillubricatedaircompressorscanproducecarbonmonoxide.Carbonmonoxidecancauseasphyxiationandresultindeath.Useahigh-temperaturealarmandacarbonmonoxidemonitorwhenanoillubricatedaircompressorisusedtosupplybreathingair.ConsultOSHA29CFR1910.134(i).
DANGER
PERSONAL PROTECTIVE EQUIPMENT (PPE)Abrasiveblastinghasmanyhazardsthatmaycauseinjuriestooperators.ToprotectoperatorsfrominjuryeachmustbesuppliedwithandrequiredtousePersonalProtectiveEquipment.TheOccupationalHealthandSafetyAdministration(OSHA)requirestheemployertoassesstheworkplacetodeterminewhatPPEisnecessaryandsuppliedtoeachoperator(Reference29CFR1910SubpartI).OSHArequiresthatthisequipmentmeetorbeequivalenttostandardsdevelopedbytheAmericanNationalStandardsInstitute(ANSI).Figure9belowidentifiestheminimumpersonalprotectiveequipmentrequiredforeachabrasiveblastoperator.AlsoidentifiedaretheOSHAreferencesforeachandtheANSIstandardeachPPEitemmustmeet.
AllPPEclothingandequipmentshouldbeselectedforsafedesignandqualityofconstruction.Selecteachforproperfitandforcomfortwhichwillencourageoperatoruse.
24
SYSTEM REQUIREMENTS & PPE
Figure9
25
GENERAL OPERATION
ThefunctionoftheBlastOneabrasiveblasteristoprovideamixtureofoperatorselectivewetordryabrasiveandcompressedairtoablastnozzle.Theabrasiveblaststreamthroughtheblastnozzleisusedforremovingrust,paint,orotherunwantedsurfacedefects.Afterabrasiveblasting,thesurfaceisreadyfornewpaintorcoating.
Theabrasiveblasterisoneofagroupofcomponentsusedinanabrasiveblastingjob.Thetypicalcomponentsareanaircompressor,moistureremovaldevice,anabrasiveblaster,blasthose,ablastnozzle,operatorpersonalprotectiveequipment,andblastabrasive.SeeFigure10.
Theblastabrasiveisloadedintotheabrasiveblasterthroughatopfillport.Allthecompressedairmustberemovedfrominsidetheabrasiveblasterbeforeitcanbefilledwithabrasive.Theabrasivecanbebagloaded,orloadedfromarecoverydevice.Tobeginblastingthefillportpopupvalveismanuallyclosedandtheabrasiveblasterisfilledwithcompressedairfromtheaircompressor.Sincemoisturecreatesproblemsintheblastoperation,itiscommonforthecompressedairtobefedthroughamoistureremovaldevice,suchasaBlastOneAirPrepSystem.TheairpressureintheabrasiveblastvesselisequaltotheairpressureintheblasthosewhereitconnectsattheThompsonValveII.Thisequalpressureisneededtoallowtheblastabrasivetoflowdownwardbygravity.TheabrasiveflowiscontrolledbytheabrasiveThompsonValveIIatthebottomoftheblaster.Atthispoint,theblastabrasiveflowsintotheblastairstreamandthroughtheblasthose.Thespeedofblastairandabrasivemixtureisgreatlyincreasedbytheblastnozzleontotheworksurface.Thehighspeedoftheairandabrasiveiswhatgivesittheenergytoblastrustandpaintoffofsurfaces.Theabrasiveblaststreamandthedustitcreatesisharmful,thereforeallblastoperatorsmustusepersonalprotectiveequipmentduringtheblastoperation.
AllthecomponentsrequiredfortheblastoperationareavailablefromBlastOne.
Figure10
26
GENERAL OPERATION
Figure11
SeeFigure11belowtohelpunderstandthegeneraloperation.Donotattempttooperatetheabrasiveblasterbeforereadingallsectionsofthismanualandfollowingallsetupprocedures.SeeAirSupplyConnectiononpage27throughHoseConnectiononpage34andPre-operationProceduresonpage35.
Theabrasiveblasterisdesignedtobeusedwithabroaderrangeofblastingabrasivesthanatypicalblaster.Theblasterhasfeaturesforblastingathighorlowpressureandhasfeaturesforimprovedabrasiveflowandflowcontrol.
Theblaster(#12)willpressurizewhentheblowdownballvalve(#1)isclosedandtheairinletballvalve(#5)isopened.Thecompressedairentersthemoistureseparator(#7)andthenisbranchedofftotheblastoutletandpressurizestheabrasiveblastvessel.Theairflowintotheblastvesselinternalpipingwillpushthepopup(#41)againstthegasket(#40).Thiswillsealtheabrasiveinletwhichallowstheairflowtofillandpressurizetheabrasiveblastvessel(#12).
Blastingbeginswhenthedeadmanlever(#26)ispresseddownwhichwillpneumaticallyorelectricallyopentheblastcontrolvalve(#13).Whenthecontrolvalveopensitsendsanairsignalthatopensboththeautomaticairvalve(#17)andtheThompsonValve®(#11).Compressedairwillpressurizetheblasthose(#25)whentheautomaticairvalve(#17)isopened.AtthesametimetheThompsonValve(#11)willopenandabrasivefallsthroughandintotheblastairstream.TheabrasiveflowcanbeincreasedordecreasedbyturningtheknobontopoftheThompsonValve.
Blastingstopswhenthedeadmanlever(#26)isreleased.Thiswillclosetheblastcontrolvalve(#13)andventtheairsignaltotheautomaticairvalve(#17)andtheThompsonValve(#11).Whenthesignalairvents,bothvalvesspringreturnintotheir“normallyclosed”position.Theabrasiveblaster(#12)remainspressurizedwhentheautomaticairvalveandThompsonValveareturnedoff.Theabrasiveblaster(#12)isdepressurizedbyclosingtheairinletballvalve(#5)andthenopeningtheblowdownballvalve(#1)tocompletelyventthecompressedair.
27
GENERAL OPERATION
AIR SUPPLY CONNECTIONAirissuppliedtotheabrasiveblasterthroughahoseconnectionattheairinletapprovedminsuporthreadedhoseconnection(#6).Theairsupplyhoseconnectedtotheabrasiveblastermustbethesamediameterastheairsupplypiping.SeethedrawingsandpartslistsinDrawing&PartsListsonpage49andrefertoImportantReferenceNumbersonpage18andWaterSystemonpage33.
AIR INLET BALL VALVE (PRESSURIZE)Theairinletballvalve(#5)isusedtoturnonandturnofftheairflowtotheabrasiveblaster.Whentheinletballvalveisopenedairflowwillautomaticallyclosethepopupvalveattheabrasiveinletandpressurizetheabrasiveblaster(seeFigure12).Theblowdownballvalve(#1)mustbeclosedbeforeopeningtheairinletballvalve.
Theabrasiveblasterisapressurizedvessel.Propelledobjectswillcauseseriousinjuryordeath.Readandfollowallpre-operationandoperatingprocedurespriortopressurizingtheabrasiveblaster.SeePre-operationProceduresonpage35andOperationInstructionsonpage40.
DANGER
BLOWDOWN BALL VALVE (DEPRESSURIZE)Theblowdownballvalve(#1)isusedtoreleaseallthecompressedair(depressurize)frominsidetheabrasiveblaster.Theabrasiveblastermustbedepressurizedtofillwithabrasiveorbeforeperforminganymaintenance.Theairinletballvalve(#5)mustbeclosedbeforedepressurizingtheabrasiveblaster.
Airborneparticlesandloudnoisehazardsfromblowdownexhaustaircancauseseriousinjuryandlossofhearing.Wearapprovedeyeandearprotection.Stayclearofblowdownairpath.DONOTplacehandsorotherbodypartsintheblowdownairpath.Makesurenopersonnelareintheblowdownairpath.
WARNING
28
GENERAL OPERATION
Pinchpointhazard.Vesselpressurizationwillclosethepopup.Keepfingersclearofthepopupopening.Disconnectairsupplypriortoperformingpopupmaintenance.
WARNING
POPUP WITH EYEBOLT (ABRASIVE INLET)Theblasterisfilledwithabrasivethroughtheopeningatthetopofthepressurevessel.Thisopeningissealedbythepopuphead(#36)whenitispulledupagainstthegasket(#35)andtheblasterispressurized.Whentheairinletballvalve(#5)isopened,airwillflowintotheblastvesselandtheairpressurewillcompressandholdthepopupagainstthegasket.SeeFigure12.
Figure12
AIR SUPPLYWhentheairinletballvalve(#5)isopenedtheairflowpassesthroughtheairfilter(#7)whichremovesmoisture,oilanddirtparticles.Thewaterthatisremovedbythefiltercanbedrainedbyopeningthepetcockvalve(#9)locatedatthebottomofthefilter.Thisvalveshouldbeleftslightlyopenedanytimetheblasterisinoperation.Thisallowswatertobedrainedasitisfilteredfromtheblastair.Afterpassingthefiltertheairflowbranchesofftosupplytheaccessorycontrols,theregulatedtank/blastairpressurepiping(#4)andthebypasspiping(#37).Theregulatedairpipingandthebypassairpipingarethetwowaystopressurizetheabrasiveblastvesselandsupplytheblastairline
29
GENERAL OPERATION
REGULATED TANK/BLAST PRESSURE REGULATORToblastobjectsthatarefragileitisnecessarytoreducetheblastairpressure.Thetankandblastairpressurecanbothbeadjustedbythepressureregulator(#4).Thepressureisadjustedbyturningtheknobontopoftheregulatorvalvebody(CW-increasespressure,CCW-decreasespressure).Thetank/blastpressureisshownbythepressuregauge(#8).Thebypassballvalve(#37)mustbeclosedtousetheregulatedairpressurepiping.Note: The air pressure regulator (#4) is non-relieving which means that when the pressure is decreased by turning the knob the tank air pressure will not reduce on the pressure gauge. The pressure will reduce only while blasting. The non-relieving feature prevents air from flowing backwards from the tank to the regulator which would carry abrasive.
FULL PRESSURE BYPASSThebypasspipingisadetouroftheregulatedairsupplytoprovidefulllinepressuretothetankandblastairline.Thisallowsblastingatfullpressurefortougherapplicationswithoutchangingthesettingoftheairpressureregulator(#4).Openballvalve(#37)tobypassthepressureregulatorandallowblastingatfullairpressure.Thenclosetheballvalve(#37)togobacktousingtheregulatedpressurecontrol.Note: Bypass piping is not available on model M11.
GATE VALVE (DIFFERENTIAL PRESSURE CONTROL)Whentheautomaticairvalveopensinletairsupplyflowsthroughthegatevalve(#18)totheThompsonValve(#11)whereitmixeswithabrasiveforblasting.Thepurposeofthegatevalveistoreducetheblastairpressureslightlybelowthetankpressure.Thisadjustmentiscalled“differentialpressure”(blastpressurelowerthantankpressure).DifferentialpressureisusedwhenblastingwithfinegrainabrasiveswhichdonotflowwelloutoftheblastvesselandthroughtheThompsonValve.Turnthegatevalvehandleclockwisetoclosethevalveanddecreaseblastpressure.Thiswillincreasethedifferentialpressurewhichwillincreaseabrasiveflow.Turnthehandlecounter-clockwisetodecreasedifferentialpressurewhichwilldecreaseabrasiveflow.Thisdifferentialpressureadjustmentmustbemadewhileblastingsothattheeffectsarevisible.Theblastpressureisindicatedbythepressuregauge(#38).Differentialpressurecanbeviewedonthedifferentialpressuregauge(#3).
AUTOMATIC AIR VALVETheautomaticairvalve(#17)isanormallyclosedvalvethatopenstosupplyblastairtotheblasthoseandblastnozzle(#25).Theautomaticairvalveopenswhenitreceivesairtoitssignalport.Thishappenswhenthedeadmanlever(#26)ispresseddownwhichopenstheblastcontrolvalve(#13)sendinganairsignaltotheautomaticairvalve.Whenthedeadmanleverisreleasedtheairsignalfromtheblastcontrolvalveventsandautomaticairvalvespringclosestostopblastairtotheblasthoseandnozzle.
30
GENERAL OPERATION
THOMPSON VALVE® IITheThompsonValve(#11)isadual-purposevalve.First,itisanormallyclosedvalvethatopenstosupplyabrasiveintotheblastairstream.TheThompsonValveopenswhenitreceivesairtoitssignalport.Thishappenswhenthedeadmanlever(#26)ispresseddownwhichopenstheblastcontrolvalve(#13)sendinganairsignaltotheThompsonValve.WhenthedeadmanleverisreleasedtheairsignalfromtheblastcontrolvalveventsandThompsonValvespringclosestostopabrasiveflowtotheblasthoseandnozzle(#25).
Secondly,theThompsonValve®(#11)isanabrasivemeteringvalve.WhentheThompsonValveisopentheabrasiveflowismetered(controlled)byanadjustableorifice.TheamountthisorificeopensiscontrolledbyturningtheknobatthetopoftheThompsonValve.Theknobsetsthestoppingpointoftheplunger.Turntheknobclockwisetoreducetheorificesizewhichdecreasesabrasiveflow.Turningtheknobcounter-clockwiseincreasestheorificesizewhichwillincreasetheabrasiveflowtotheblastnozzle(#29).TheThompsonValvespringretainerhaslinesonthesidetouseasreferencepointstotheamountthattheorificeisopen.Adjustmentstotheabrasiveflowshouldbemadebyturningtheknobalittleatatime.Testtheadjustmentbystartingtheblastforashortperiodtodetermineiffurtheradjustmentisneeded.
TheThompsonValveIIhasabuiltincleanoutportwhereaballvalvecanbeinstalled.Thisballvalvecanbeusedtopurge(blowout)trashthatblocksabrasiveflow.Thisisdonebyclosingtheabrasiveshutoffvalve(#10),openingthecleanoutvalve(#19),andthenpressingdownthedeadmanlever(#26).TheblastairflowsthroughtheThompsonValveandpurgesanytrashthroughthecleanoutvalve.Note:Iftheabrasiveblasterisequippedwiththeabrasivecut-offfeaturesetthecut-offvalve(orswitch)totheon-positionfortheThompsonValve®toopenforpurging.
Airborneparticlesandloudnoisehazardsfrompurgeaircancauseseriousinjuryandlossofhearing.Wearapprovedeyeandearprotection.Stayclearofpurgeairpath.DONOTplacehandsorotherbodypartsinthepurgeairpath.Makesurenopersonnelareinthepurgeairpath.
WARNING
ABRASIVE SHUTOFF VALVETheabrasiveshutoffvalve(#10)allowstheoperatortoremovetheThompsonValvefromtheblastvesselwithoutemptyingtheabrasive.Turntheabrasiveshutoffvalvehandletothehorizontalpositionwillblockabrasiveflowfromtheblastvessel(#12)intotheThompsonValve.Thenthespringclamp(#16)isremovedtoseparatetheThompsonValvefromblastvessel.
TheabrasiveblasterisaPressurizedVessel.Propelledobjectswillcauseseriousinjuryordeath.Depressurizevesselbeforeperforminganymaintenance.SeeAbrasiveBlasterDepressurizingProcedure(Blowdown)onpage36.
DANGER
31
GENERAL OPERATION
DEADMAN VALVE/SWITCHTheDeadmanvalve/switchispartofasystemthatcontrolstheblastoperation.Thedeadmanvalve/switch(#26)allowstheoperatortoremotelystartandstoptheblastoperation.TheDeadmanismountedattheendoftheblasthoseassembly(#25)closetotheblastnozzle(#29)togivetheoperatoreasycontroloftheblastoperation.
TheDeadmaniseitherapneumaticvalveoranelectricswitchdependingonthetypeofabrasiveblastercontrolsystem.Whenthedeadmanleverispresseddownitsendseitherapneumaticorelectricsignaltotheblastcontrolvalve(#13).Thecontrolvalveopensandsendsanairsignaltotheautomaticairvalve(#17)andtheThompsonValve(#11).
Pneumatic Deadman System
Whenthepneumaticdeadmanleverispresseddownairsupplyfromtheorangehoseofthetwinlinehose(#23)flowsintotheblackhose.Airflowsthroughtheblackhosetothesignalportofthecontrolvalve(#13)causingittoopenandsendairsignalstotheautoairvalve(#17)andtheThompsonValve®(#11).Whenthedeadmanleverisreleasedtheairsignaliscutoffandtheremainingairventsfromthebreather(#44).SeeFigure5.3andthedrawingsinDrawing&PartsListsonpage49.
Electric Deadman System
Whentheelectricdeadmanleverispresseddownitclosestheelectriccircuitandsupplieselectriccurrenttothecontrolvalve(#13).Thecontrolvalveopensandsendsairsignalstotheautoairvalve(#17)andtheThompsonValve®(#11).Whenthedeadmanleverisreleasedtheelectriccircuitiscutoffclosingthecontrolvalve.Thesignalairventsfromthebreather(#44).SeeFigure14.
Figure13
32
GENERAL OPERATION
Figure14
ABRASIVE CUT-OFFAnoptionalfeatureofablasterisanabrasivecut-off.Thepurposeoftheabrasivecut-offistoallowblastingairwithoutabrasive.Thisisusefulforblowingoffabrasivefromtheblasteditem.Toblastwithaironlysettheabrasivecut-offvalve(orswitch)totheoff-positionthenpressdownthedeadmanlever(#26).Thiswillsendacontrolsignaltotheautomaticairvalveonly,thereforeonlyblastairwillexittheblastnozzle(#29).Fortheabrasivecut-offtoworkasecondcontrolvalveisneededthatprovidesasignaltotheThompsonValve®separateoftheairsignaltotheautomaticairvalve.
Figure15
33
GENERAL OPERATION
ABRASIVE VIBRATORThepurposeoftheabrasivevibrator(#31)istovibratetheabrasiveinthepressurevessel(#12).SomeabrasivesdonotflowaswellasothersandthevibrationtothevesselimprovestheflowintotheThompsonValve®.Thelevelofvibrationiscontrolledbytheanglevalve(#15)whichcanalsoturnoffthevibration.
WATER SYSTEMThewatersystemoftheabrasiveblastergivestheoperatortheoptiontowetblast.Fineabrasivessuchassodiumbicarbonatecreatedustcloudsthatreducevisibility.Thewatermistcreatedbythewetblastattachment(#30)reducesthedustcloud.Astandardgardenwaterhoseisconnectedtothehoseconnection(#32).Thewaterthenflowsthroughandisfilteredbythey-strainer(#33).
They-strainerhasafinescreentoremovesmallparticlesofdebristhatmaycloguptheatomizingtipofthewetblastattachment(#30).Trashcollectedatthey-strainerelementisflushedoutbyopeningthedrainballvalve(#35).Thepetcockvalve(#27)allowstheoperatortocontrolhowmuchwaterisusedortoturnthewateroffcompletely.
BLAST HOSETheblastair/abrasivemixtureflowsfromtheThompsonValve®totheblastnozzle(#29)throughtheblasthoseassembly(#25).Thetypicallengthoftheblasthoseis50ft;howeverblasthoseextensionscanbeaddedforlongerlengths.Forhigherefficiencykeeptheblasthoseasshortaspossible.Increasedblasthoselengthcausespressuredropattheblastnozzlewhichreducestheblastefficiency.Forhigherefficiencyuseablasthosewithaninsidediameterthatisthreetimesthenozzlethroatdiameter.Keepblasthoseasstraightaspossible.Sharpbendscreatehighwearpoints.Staticelectricityisgeneratedbytheabrasiveflowthroughtheblasthose.Topreventstaticelectricalshocktooperatingpersonnelonlyusestaticdissipatingblasthoseandinstallagroundingstrapontheabrasiveblaster.
BLAST NOZZLETheblastnozzle(#29)isanimportantpartoftheblastoperationsincethesizeofitdeterminestheairflowandabrasiverequirement.Theamountofairflowandabrasivedeterminehowquickblastingcanbedone.Thelargerthenozzle,themoretheairandabrasivewillbeneeded.
Thelargerthenozzlesizethegreatertheblastproductivity.However,forafixedamountofairsupply,increasingthenozzlesizewillreducetheblastpressure.Forbestperformancetheblastpressuremustbemaintainedashighaspossible.Therefore,selectthenozzlesizebasedontheamountofairavailableandthenadjusttheabrasiveflowattheThompsonValve®accordingly.
Thenozzlesizecanbeidentifiedbyasmallnumbervisibleontheoutside.Thisnumberrepresentsthenozzlethroatdiameterinsixteenthsofaninch;forexample,a#5nozzlehasathroatdiameterof5/16”.SeethetablesinBlastingDataonpage73forapproximateairandabrasiveconsumptionforeachnozzle.Note:Forthebestpossiblemixtureofairtoabrasive,theblasthoseandpipingmustbeatleastthreetimesthesizeoftheblastnozzle.
34
GENERAL OPERATION
HOSE CONNECTIONAllairhose,blasthose,andthreadedcouplingshavepinholesthatalignwhenconnected.Topreventaccidentalhosedisconnectionssafetypinsmustbeinstalledthroughtheseholes.Asasecondarysafetymeasureeachhoseconnectionshouldalsoincludeahosewhipcheckthatwillholdthehoseifthereisanaccidentaldisconnection.ConnectonelooptoeachsideoftheconnectionandstretchoutasshowninFigure16below.Allairhose,blasthose,andthreadedcouplingshaveagasketthatsealstheconnectionandshouldbereplacedwhenairisleaking.
Figure16
35
PRE-OPERATION PROCEDURES
Failuretofollowtheproceduresbelowcouldresultinseriousinjuryordeath.Inadditiontotheseprocedures,completelyreadandunderstandallsectionsofthisabrasiveblasterOperationandMaintenanceManual.Theabrasiveblasterisapressurizedvessel.Propelledobjectswillcauseseriousinjuryordeath.Depressurizevesselbeforeperforminganymaintenance.SeeAbrasiveBlasterDepressurizingProcedure(Blowdown)onpage36.
DANGER
ABRASIVE BLASTER SETUP PROCEDURE (SEE FIGURE 18)1. Staticelectricityisgeneratedbytheabrasiveflowthroughtheblasthose.Topreventstatic
electricalshocktooperatingpersonnelonlyusestaticdissipatingblasthoseandinstallagroundingstrapontheabrasiveblaster.
2. DoNotoperatethisequipmentwithoutapressurereliefdeviceinplace.TheASMECoderequiresthatallvesselsbeprovidedwithpressurereliefdevices.Localregulationssetthespecificationsforpressurereliefvalves;thereforeitistheresponsibilityoftheowneroftheabrasiveblastertoinstallapressurereliefvalvethatmeetsallapplicableregulations.Thepressurereliefdevicemustbesetatthemaximumallowableworkingpressureoftheabrasiveblaster.SeetheASMEvesselnameplate(#39).
3. Makecertainthattheabrasiveblasterisnotpressurized.FollowthedepressurizingproceduregiveninAbrasiveBlasterDepressurizingProcedure(Blowdown)onpage36.
Airborneparticlesandloudnoisehazardsfromblowdownexhaustaircancauseseriousinjuryandlossofhearing.Wearapprovedeyeandearprotection.Stayclearofblowdownairpath.DONOTplacehandsorotherbodypartsintheblowdownairpath.Makesurenopersonnelareintheblowdownairpath.
WARNING
Failuretousepersonalprotectiveequipmentcouldresultinseriousinjuryordeath.
WARNING
4. Properlyinstallthehandwaycover(#2)andgasket.SeeHandwayCoverInstallationProcedureonpage38.
5. Verifythatallrequiredpersonalprotectiveequipmentisavailableforeachoperatorandingoodoperatingcondition(safetyglasses,safetyshoes,earplugs,gloves,airlinefilter,respirator,&carbonmonoxidemonitor).Critical:Adheretoalllocal,state,andfederalregulationsincluding,butnotlimitedto,OSHA(OccupationalHealthandSafetyAdministration).Paycloseattentiontorequirementsregardingbreathingairquality.Whenanoil-lubricatedaircompressorisused,additionalrequirementsforahightemperaturealarmand/oracarbonmonoxidemonitorbecomenecessary.
36
PRE-OPERATION PROCEDURES
Failuretoinstallsafetypinsonallblasthosecouplingscouldresultinseriousinjuryordeath.SeeHoseConnectiononpage34andMaintenance&InspectionInstructions(list#6)onpage46.
WARNING
Failuretoinstallsafetypinsonallairhosecouplingscouldresultinseriousinjuryordeath.SeeMaintenance&InspectionInstructions(list#6)onpage46.
WARNING
6. Screwnozzle(#29)intothenozzleholderatendoftheblasthoseassembly(#25).
7. Slidethewetblastattachment(#30)overtheendoftheblastnozzle(#29).
8. Hoseclampthedeadman(#26)totheblasthoseassemblyinacomfortablepositionbehindthenozzleholder.
9. Connectthemalefittingattheendofthewetblastwaterline(#24)totheswivelfittingonthewetblastattachment(#30).
10.Wiretiethewetblastwaterline(#24)andthetwinlinehose(#23)orelectricdeadmanextensioncordstotheblasthose(#25).
11.Connecttheblasthosecoupling(#22)tothehosecoupling(#36)ontheThompsonValve®(#11).Theninstallsafetypinsandahosewhipchecktopreventaccidentaldisconnectionsduringoperation.SeeHoseConnectiononpage34andMaintenance&InspectionInstructions(list#6)onpage46.
12.Connectthetwinlinehosequickdisconnects(20)ortheelectricdeadmanextensioncordtothematingdisconnectsontheabrasiveblasterpiping(#14).
13.Connectthewetblastwaterlinequickdisconnect(#21)tothequickdisconnect(#34)onthey-strainer.
14.Connectastandardgardenhosetothewaterinletconnection(#32)onthey-strainer.
15.Connecta150psirated(minimum)airsupplyhosetotheairinletcrowfoot(#6)andinstallsafetypinsandahosewhipchecktopreventaccidentaldisconnectionsduringoperation.SeeHoseConnectiononpage34andMaintenance&InspectionInstructions(list#6)onpage46.
ABRASIVE BLASTER DEPRESSURIZING PROCEDURE (BLOWDOWN)1. Closetheairinletballvalve(#5).Theballvalveisclosedwhenthehandleisfullyturnedtothe
positionshowninFigure18(handleperpendiculartobody).Thehandletabwillbottomagainsttheballvalvebodyintheclosedposition.
2. Slowlyopentheblowdownballvalve(#1).Astheblowdownballvalve(#1)isopenedairpressureinsidewillexhaustoutanddepressurizetheblastvessel(#12).
37
PRE-OPERATION PROCEDURES
Airborneparticlesandloudnoisehazardsfromblowdownexhaustaircancauseseriousinjuryandlossofhearing.Wearapprovedeyeandearprotection.Stayclearofblowdownairpath.DONOTplacehandsorotherbodypartsintheblowdownairpath.Makesurenopersonnelareintheblowdownairpath.
WARNING
Whenthepopupvalveopensafterdepressurizingabrasivecanbeblownoutoftheblastvesselandintothefaceandeyesoftheoperator.WearOSHAapprovedsafetyglasses.SeeFigure9.
WARNING
3. Theabrasiveblastvessel(#12)iscompletelydepressurizedwhentheairinletballvalve(#5)isclosedandtheblowdownballvalve(#1)isopenwithnoairflowfromit.Thepopuphead(#41)willfallopenwhentheblastvesseliscompletelydepressurized.
Figure17
38
PRE-OPERATION PROCEDURES
HANDWAY COVER INSTALLATION PROCEDURE (SEE FIGURE 6.5(A))1. Checkthatthehandwaycover,crab,bolt,andgasketaredimensionallycorrectforthesize
handwayweldringofthepressurevessel.
a) Measureandwritedowntheinsidedimensions“A”and“B”ofthehandwayweldring.SeeFigure18(a).
b) Verifythesizeofthehandwayassemblybycomparingtheweldringmeasurementsfromstep“a”tothedimensionsshowninTable6.5(c).
c) Verifythatthedimensionsofthecover,crabs,bolts,andgasketmatchthecorrespondingdimensionsgiveninTable6.5(c).Note:Theactualdimensionsmayvarybyupto1/4”fromthosegivenin6”x8”HandywayDimensionstableonpage39.
d) Replaceanycomponentthatisnotdimensionalcorrect.Incorrectdimensionsindicatethatthecomponentispartofadifferentsizehandwayassembly.
ThehandwayassemblyispartofaPressurizedVessel.Useofincorrecthandwaycomponentswillresultinassemblyfailure.Assemblyfailurewillpropelobjectscausingseriousinjuryordeath.
DANGER
2. Inspectthehandwaygasketfortears,cracks,orotherwear.Replaceifnecessary.
3. Inspectthehandwayweldringsealingsurfaceinsidethevessel.Inspectthehandwaycoversealingsurface.Bothsurfacesmustbesmooth.
4. Placethegasketonthehandwaycoverthenfitboththroughtheopening.
5. Placethecoverandgasketinpositionagainsttheinsideedgeofthehandwayweldring.Applyapullingforcetoholdinpositionthenproceed.
6. Centrethegasketonthehandwayweldring.
7. Centrethehandwaycoveronthegasket.
8. Centrethehandwaycrabontheoutsideweldring.
9. Slidethehandwaycrabbolttotheinsideedgeoftheslotbeforetightening.SeeFigure18(a).
10.Whenallcomponentsarecentredandthecrabboltisbottomedintheslot,tightenthenutontotheboltwithawrenchuntilsnug.
11.Onlyaftercompletingallthepre-operationproceduresinPre-operationProceduresonpage35andtheabrasiveblastvesselisthenpressurized,re-tightenthenutwithawrenchuntilsnugagain.
12.Donotover-tightenthecrabnutandbolt.Over-tighteningcouldbendthecraboutofshaperesultinginmalfunctionoftheassembly.
13.Periodicallycheckforleaks.
39
PRE-OPERATION PROCEDURES
Figure18
Figure19
COMPONENT A B
Weld Ring 6-5/8” 8-1/2”
HandywayCover 7-11/16” 9-7/8”
HandywayGasket 7-3/4” 9-3/4”
HandywayCrab 2-3/8” 8-3/4”
SquareHeadBolt 3/4”-10UNC 4-1/2”
6” x 8” Handyway Dimensions
40
OPERATION INSTRUCTIONS
FILLING THE BLASTER WITH ABRASIVE1. Theabrasiveblastermustbecompletelydepressurizedbeforefillingcanbegin.Depressurize
theabrasiveblasterperthedepressurizingprocedureinAbrasiveBlasterDepressurizingProcedure(Blowdown)onpage36.
Airborneparticlesandloudnoisehazardsfromblowdownexhaustaircancauseseriousinjuryandlossofhearing.Wearapprovedeyeandearprotection.Stayclearofblowdown7.0OperatingInstructionsairpath.DONOTplacehandsorotherbodypartsintheblowdownairpath.Makesurenopersonnelareintheblowdownairpath.
WARNING
Pinchpointhazard.Vesselpressurizationwillcompressthepopupagainstthepopupgasket.Keepfingersclearofthepopupopeningwhilepressurizingtheblastvessel.Disconnectairsupplypriortoperformingpopupmaintenance.
WARNING
2. Removethevessellid(#42)andscreen(#43)tocheckthatthepopup(#41)hasdroppedopen.Thisindicatesthattheblastvesselisdepressurized.SeeFigure20.
3. Filltheabrasiveblasterwithdryabrasivethoughthescreen(#43)toremoveunwantedtrash.Donotover-filltheblastvessel.Anexcessiveamountofabrasivepiledabovethepopup(#41)aftertheblastvesselisfullmaypreventthepopupfromclosingandsealingproperly.
4. Onlyaftercompletingallthepre-operationproceduresinPre-operationProceduresonpage35andFillingtheBlasterwithAbrasiveonpage40,andtheblastvesselisthenpressurizedperBeginningtheBlastingOperationonpage41,checkthepopupforleaks.Periodicallycheckthepopupforleaksthereafter.
Figure20
41
OPERATION INSTRUCTIONS
BEGINNING THE BLASTING OPERATION (SEE FIGURE 21)1. Theabrasiveblastermustbeproperlypreparedandalloperatingpersonnelmustbethoroughly
trainedbeforebeginningtheblastoperation.Completelyreadandunderstandallsectionsofthismanualbeforebeginningtheblastoperation.Seethepreoperationproceduresgivenin Pre-operationProceduresonpage35.
2. Performtherequiredinspectionsandmaintenancebeforebeginningtheblastoperation.SeetheinstructionsgiveninMaintenance&InspectionInstructionsonpage44.
TheabrasiveblasterisaPressurizedVessel.Propelledobjectswillcauseseriousinjuryordeath.Depressurizevesselbeforeperforminganymaintenance.SeeAbrasiveBlasterDepressurizingProcedure(Blowdown)onpage36.
DANGER
3. Fullyopenboththeabrasiveshutoffvalve(#10)andgatevalve(#18).
4. Ifwetblastingwillbeusedturnonthewatersupplytothey-strainer(#33).
5. Forinitialstartupbacktheknoboftheairpressureregulator(#4)allthewayoutbyturningtheknobcounterclockwiseuntilnoresistanceisfelt.Thenturntheknobclockwiseafewturnsforalowinitialpressuresetting.Furtheradjustmentcanbemadelaterasneeded.
6. Closetheblowdownballvalve(#1).Theballvalveisclosedwhenthehandleisperpendiculartothebody.
7. Thevesselmaynowbepressurizedbyslowlyopeningtheairinletballvalve(#5).
8. Checkthepopup,handway,hoses,andpipingforleaksafterpressurizing.Periodicallycheckforleaksthereafter.
9. Slightlyopenthepetcockvalve(#9)onbottomoftheairfiltertopermitmoisturetocontinuallydrainduringtheblastoperation.Onceeachdayopencompletelytoblowoutexcessaccumulation.
10.Thefollowingstepsareforblastpressureandabrasiveflowsettingwhichmayrequireseveraladjustmentsandtestingoftheblastflow.Itisrecommendedthattestingoftheblastbemadeonatestpiecesonottodamageanythingofvalue.
11.Settherequiredtankpressurebyturningtheknobonthetank/blastpressureregulator(#4).Turnclockwisetoincreasepressureorcounterclockwisetodecreasepressure.Theairregulatorisnon-relievingthereforeareductionoftankpressurechangewillnotbeevidentonthegaugeuntilblastingbegins.Forthemostaccuratesetting,thisadjustmentshouldbemadewhileblastingwiththegatevalve(#18)fullyopened.Thispressureisindicatedbythetankpressuregauge(#8)whileblasting.Bypassvalve(#37)mustbeclosed.Note:Furthertank/blastpressureadjustmentmayberequiredwhenactualblastingisbegun.
12.Tooperateatfullpressure(withouttherestrictionoftheregulator)openthebypassballvalve(#37).Thisallowsfullairpressureintothecontrolpipingregardlessoftheairregulatoradjustment.Note:BypasspipingisnotavailableontheM11.
42
OPERATION INSTRUCTIONS
13.SetpreliminaryabrasiveflowbyadjustingtheknobontheThompsonValve®(#11).Turnclockwiseforlessabrasiveflowandcounterclockwiseformoreabrasive.Duetothelengthoftheblasthosetherewillbeaslightdelayincontroloftheabrasiveflowatthenozzle,thereforeallowafewsecondsbeforeadjustingfurther.Note:Iftheblasterisequippedwiththeoptionalabrasivecut-offfeaturetheswitchmustbesettothe“on”positiontoblastwithabrasive.
14.Withonehandgriptheblasthoseassembly(#25)andwiththeotherhandpressinthedeadmansafetybutton.Tobeginblasting,aimtheblastnozzleattheobjecttobeblasted,thenfirmlypressdownthedeadmanlever(#26).Airandblastabrasivewillflowintotheblasthose(#25)andoutoftheblastnozzle(#29).Releasethedeadmanlevertostopblasting.
Donotaimblastnozzletowardsyourselforanyperson.Systemmalfunctioncancauseaccidentalstartupandresultininjurytopersonnel.
WARNING
15.Whenusingfineparticleabrasivesimprovedflowisachievedbyusingthedifferentialpressurefeature.Differentialpressureisaslighthigherpressureintheblastpotoverthatoftheblasthose.Thisdifferentialpressureallowstheoperatortopreciselycontroltheabrasiveflow.
Usethegatevalve(#18)tosetthedifferentialpressure.Adjustthedifferentialpressurebyturningthegatevalvehandleclockwise(todecreaseblastpressure)orcounterclockwise(toincreaseblastpressure).Decreasingtheblastpressureincreasesthedifferentialpressureandabrasiveflow.Conversely,increasingtheblastpressuredecreasesthedifferentialpressureandhencedecreasestheabrasiveflow.Theidealdifferentialpressureisabouta2psigreatertankpressurethanblastpressure.Theblastpressureisindicatedbypressuregauge(#38).Thedifferentialpressureisshownbythelargergauge(#3).
Optimumdifferentialpressureadjustmentisdonewhileblasting,thereforetheoperatorshouldgetassistancefromasecondperson.Itisimportanttorememberthatduetothelengthoftheblasthosetherewillbeaslightdelayincontroloftheabrasiveflowatthenozzle,thereforeallowafewsecondsbeforeadjustingfurther.
16.Withcertainabrasivesflowmaybeimprovedbyuseoftheabrasivevibrator.Opentheanglevalve(#15)slightlytostartthevibratorandturncounterclockwisetoincreasevibration.Turntheanglevalveknobclockwisecompletelydowntoturnoffthevibrator(#31).
17.Openthepetcockvalve(#27)ontheblasthosewaterlineifwetblastingisrequiredfordustprevention.
18.Re-testtheblastairandabrasivemixtureagainonatestpiecetodetermineisfurtheradjustmentisneeded.Releasethedeadmanlevertostopblasting.
ENDING THE BLAST OPERATION (SEE FIGURE 21)1. Closetheairinletballvalve(#5).Theballvalveisclosedwhenthehandleisfullyturnedtothe
positionshowninFigure7.3(handleperpendiculartobody).Thehandletabwillbottomagainsttheballvalvebodyintheclosedposition.
43
OPERATION INSTRUCTIONS
Donotturnofftheaircompressorandallowtheabrasiveblasterairpressuretobackflowthroughthesystem.Backflowwillcarryabrasiveintotheairfilter(#7)andcontaminatethecontrols.
WARNING
Airborneparticlesandloudnoisehazardsfromblowdownexhaustaircancauseseriousinjuryandlossofhearing.Wearapprovedeyeandearprotection.Stayclearofblowdownairpath.DONOTplacehandsorotherbodypartsintheblowdownairpath.Makesurenopersonnelareintheblowdownairpath.
WARNING
2. Completelyopenpetcockvalve(#9)atthebottomoftheairfilter(#7)toallowalltheaccumulatedmoisturetobedrainedout.Closethepetcockafterdraining.
3. Completelydepressurizetheabrasiveblastvessel(#12)byslowlyopeningtheblowdownballvalve(#1).SeeAbrasiveBlasterDepressurizingProcedure(Blowdown)onpage35forblowdownprocedure.
4. Forlongperiodsofnon-usageremoveremainingblastabrasivefromblastvesseltopreventmoisturecontamination.
Figure21
44
MAINTENANCE & INSPECTION INSTRUCTIONS
TheabrasiveblasterisaPressurizedVessel.Propelledobjectswillcauseseriousinjuryordeath.Depressurizevesselbeforeperforminganymaintenance.SeeAbrasiveBlasterDepressurizingProcedure(Blowdown)onpage36.
DANGER
1. TheASMECodeisastandardcoveringmaterials,design,fabrication,andinstallation.Vesselintegritysubsequenttopurchaseistheresponsibilityoftheownerand/oruser.Atintervalsrequiredbystatelawand/orlocalauthorities,thevesselshouldbesubjectedtoahydrostatictestasdescribedintheASMECode,SectionVIII,Division1.DoNotsubjecttheabrasiveblasterpressurevesseltoapneumaticprooftestexceedingthemaximumallowableworkingpressure.
Innocaseshouldthehydrostatictestpressureexceed1.3timesthemaximumallowableworkingpressure(MAWP)shownonthepressurevesselnameplate(#39).Thoroughlycleananddrythevesselbeforere-assembly.Moistureordebrisleftinvesselcancauseequipmentmalfunction.
2. Anydamagetoanabrasiveblastercanmakeitunsafe.Inspecttheexterioroftheabrasiveblastvesseldailyforcorrosion,pitting,orotherdamage(i.e.dents,gougesorbulges).Ifdamaged,takeoutofserviceimmediatelyandhaveitinspectedand/orrepairedbyaqualifiedfacility.
3. Theinteriorconditionoftheabrasiveblastvessel(#12)shouldbeinspectedquarterly.Pittingcausedbycorrosionwillreducethewallthicknessofthevessel.Ifexcessivecorrosionisfound,havetheabrasiveblastvesselinspectedbyaqualifiedfacility.Checkthepressurevesselinternalpipingforcorrosion,cracks,andholes.SeeFigure22.
4. Thepopupalignmentandoperationistestedbythemanufacturer,howevervibrationandcreepingduringshipmentmaycausetheinternalpopupsupportpipingtoshiftresultinginmisalignment.Priortoinitialusageandperiodicallythereafter,thepopupgapandalignmentshouldbechecked.Inspectthepopupasfollows:
a. DepressurizetheabrasiveblasterperAbrasiveBlasterDepressurizingProcedure(Blowdown)onpage36.
b. Disconnectairsupplyhosefromthecrowfoot(#6).
c. Inspectthepopupgasket(#40)andpopuphead(#41)sealingsurfacesforwearordeformations.Replaceeitherifnecessary.
d. Checkthatthepopupiscenteredwithinthegasketopening.Ifnecessary,useaprybarasaleverbetweenthepopupandgaskettodeflecttheinternalsupportpipingandshiftthepopuptothecenterofthegasketopening.
e. Checkthepopupgap(distancebetweenthepopupsurfaceandthegasket).Itshouldbebetween0.625”and0.840”.SeeFigure22.Anexcessivegapiscreatedbyaverticalnipplethatistooshort.Anexcessivegapwillexposethetopoftheverticalnippletoabrasivewhenthepopupcloseswhichcouldresultinprematureweartothepopup.
f. Aftercheckingthealignmentandgap,theblastvesselcanbere-pressurizedandthepopupisthencheckedforleaks.Ifaleakispresent,repeattheabovestepstoisolatetheproblem.
45
MAINTENANCE & INSPECTION INSTRUCTIONS
Pinchpointhazard.Vesselpressurizationwillcompressthepopupagainstthepopupgasket.Keepfingersclearofthepopupopeningwhilepressurizingtheblastvessel.Disconnectairsupplypriortoperformingpopupmaintenance.
WARNING
Figure22
5. Allairhoses,blasthoses,controlhoses,andwiresshouldbeinspecteddailyforwear,dryrotting,crackingorleakage.Repairorreplaceanyhosesorwiresthatshowanysignsofwear,leakageorotherdamage.Damagedwiresand/orhosescancausesystemmalfunctionsandcanresultinseriousinjuryordeathtooperatingpersonnel.
Blasthosesareahighwearcomponentoftheabrasiveblastsystem.Sharpbendsintheblasthosecreatehighwearpointsresultinginsoftspotsthatcanrupturewhileblasting.Checkthefulllengthoftheblasthoseassemblyforsoftspotscausedbywear.Topreventseriousinjurytopersonnelreplaceblasthoseswithsoftspots.Note:Staticelectricityisgeneratedbytheabrasiveflowthroughtheblasthose.Topreventstaticelectricalshocktooperatingpersonnelonlyusestaticdissipatingblasthoseandinstallagroundingstrapontheabrasiveblaster.
Wornblasthoseassembliescanrupturewhileblastingandtheresultingabrasiveblaststreamcancauseseriouspersonalinjury.
WARNING
46
MAINTENANCE & INSPECTION INSTRUCTIONS
Figure23
6. Allairhose,blasthose,andthreadedcouplingshavepinholesthatalignwhenconnected.Topreventaccidentalhosedisconnectionssafetypinsmustbeinstalledthroughtheseholes.Eachhoseconnectionmustalsoincludeahosewhipcheckthatwillholdthehoseifthereisanaccidentaldisconnection.ConnectonelooptoeachsideoftheconnectionandstretchoutasshowninFigure23below.Checkhoseconnectionsdailyandreplacemissingordamagedpinsandwhipchecks.
7. Allairhose,blasthose,andthreadedcouplingshavegasketsthatsealtheconnection.Topreventlossofairpressureand/orprematureabrasivewearreplacethesegasketswhenleaksarefound.Inspectthecouplingsdailyforleaksandwear.Replacegasketswhenvisiblewearorleaksarefound.Wheninstallingorreplacinghosecouplingscutthehoseendsquareforsecurefit(seeFigure24).Toinsurepropercouplingconnectionalwaysusefittingsthatarethesamebrand.
Figure24
8. Removetheblastnozzledailyandcheckthejacketandthreadcondition.Checknozzlethroatdiameter.Anover-sizedthroatdiameterreducesblastefficiency.Replacetheblastnozzleifwornordamaged.
47
MAINTENANCE & INSPECTION INSTRUCTIONS
9. TheThompsonValveII,Automaticairvalve,anddeadmanvalveshouldbedisassembledandinspectedquarterly,ormorefrequentlyifheavilyused.TheThompsonValveIIcylindershouldbecleanedandlubricatedwithananti-seizecompound.ReplacepartsasneededwithBlastOneoriginalfactoryreplacementpartsfurnishedbyBlastOne.Periodicallycheckifairisleakingfromendofblastnozzlewhentheblastoperationisoff.AwornThompsonValveIIseatusuallycausesthis.Itisreplacedbyremovingthethreeboltsinthetopofthevalvetoallowdisassembly.RefertovalvedrawingsinDrawing&PartsListsonpage49.
Depressurizevesselbeforeperforminganymaintenance.SeeAbrasiveBlasterDepressurizingProcedure(Blowdown)onpage35.RemovingtheThompsonValveboltswiththeabrasiveblasterpressurizedwillresultinseriousinjuryordeath.UseofreplacementcomponentsthatarenotBlastOneoriginalreplacementpartsmayresultinequipmentfailurewhichcanresultinseriouspersonalinjury.
DANGER
Failuretousepersonalprotectiveequipmentcouldresultinseriousinjuryordeath.
DANGER
10.Checkdailytoverifythatallpersonalprotectiveequipmentisavailableforeachblastoperator.Checkdailytoverifythatallpersonalprotectiveequipmentisingoodoperatingcondition.ConsulttheoperatingandmaintenanceinstructionsprovidedbythemanufacturerofeachPPEitem.SeeFigure9andreferenceOSHA29CFR1910SubpartI.
11.Checkmonthlytoverifythatallthewarningdecalsareinpositionandlegible.
Failuretomaintainwarningdecalsrisksthepossibilityofnotalertingtheabrasiveblasteroperatortopotentialdangerswhichcanresultinseriousinjuryordeath.SeeIntroductiononpage5.
WARNING
48
MAINTENANCE & INSPECTION INSTRUCTIONS
MAINTENANCE SCHEDULES QUICK REFERENCE CHART
Maintenance Schedule
ITEM MAINTENANCE REQUIRED DAILY WEEKLY MONTHLY QUARTERLY
BlasterVesselHydrostaticTest
SeeMaintenance&InspectionInstructions(list#1)onpage44.
Asrequiredbystatelawand/orlocalauthorities.
BlasterVesselCheckforexteriordamage(corrosion,dents,bulges).
SeeMaintenance&InspectionInstructions(list#2)onpage44.
X
BlasterVesselCheckforinteriordamage(corrosion/pitting).
SeeMaintenance&InspectionInstructions(list#3)onpage44.
X
PopupChecksealingsurfacesandpopupalignment.
SeeMaintenance&InspectionInstructions(list#4)onpage44.
X
Blast&AirHoses
Checkhosesforsoftspots,wear,cracks,orairleaks
SeeMaintenance&InspectionInstructions(list#5)onpage45.
X
RemoteControlHoses
Checkhosesforsoftspots,wear,cracks,orairleaks
SeeMaintenance&InspectionInstructions(list#5)onpage45.
X
RemoteControlWires
Checkwiringforbarespots,fraying,orcracks
SeeMaintenance&InspectionInstructions(list#5)onpage45.
X
Blast&AirHoseCouplings
Checkforsafetypinsandwhipchecks
SeeMaintenance&InspectionInstructions(list#6)onpage46.
X
HoseCouplingGaskets
Checkforleakyairandblasthosecouplinggaskets
SeeMaintenance&InspectionInstructions(list#7)onpage46.
X
BlastNozzleCheckblastnozzlethreadsandjacketandforairleaks
SeeMaintenance&InspectionInstructions(list#8)onpage46.
X
ValvesDisassemble,inspect,andlubricate.
SeeMaintenance&InspectionInstructions(list#9)onpage47.
X
PersonalProtectiveEquipment
Checkconditionofallpersonalprotectiveequipment
SeeFigure9andMaintenance&InspectionInstructions(list#10)onpage47.
X
Warning Decals
Checktheconditionofwarningdecals.
SeeIntroductiononpage3andMaintenance&InspectionInstructions(list#11)onpage47.
X
49
DRAWING & PARTS LISTS
50
DRAWING & PARTS LISTSIT
EMPA
RTD
ESCR
IPTI
ON
124
01-504
Blowdo
wnba
llvalve1/2"
270
00-001
-11
Han
dway,crabassembly6"x8"
320
10-013
Differen
tialP
ressureGau
ge,0-5psi
*420
03-006
Airpressu
rereg
ulator
*524
01-506
Airinletb
allvalve
*642
08-106
Crowfoot
*723
02-206
-50
Airfilter,50
micron
887
10-400
07A
Tank
pressurega
uge,0-160
psi
9—
Drainvalvefo
rairfilter
1087
10-361
01Med
iaValveShu
t-off,1-1/4"
*11
2152
-216
Thom
pson
ValveII
®w/slotted
sleeve
1287
20-011
-01
Blastpot,M
SeriesMod
elM
11
1322
29-000
Con
trolvalve,p
neum
atic
1442
24-300
-02
4224
-301
-02
Quickcon
nectplug,1/4"
Quickcon
nectsocket,1/4"
1524
30-804
Vibratorcon
trolang
levalve,1/4"
1687
10-923
01S
Tri-Clamp,1-1/2"
1787
20-000
-02
2014
-300
Automaticairvalve1"
Breathe
rvent,1/8"
1824
23-906
Gatevalve,blastpressurecontrol
1924
01-506
Clean
outb
allvalve,1"(TVII)
2042
24-300
-02
4224
-301
-02
Quickcon
nectplug,1/4"
Quickcon
nectsocket,1/4"
2142
24-710
-02
Waterquickcon
nectplug,1/4"
2242
13-XXX
Blasthosecoup
ling
ITEM
PART
DES
CRIP
TIO
N
2341
00-501
Twinlin
eho
seassem
bly,3/16x55"
2441
01-002
Waterhose,1/4"pu
shon
2541
04-XXX
-XX
Blasthoseassembly
2622
63-002
G2Dea
dman
valve
2720
24-001
Petcockvalve,1/4"FX1/4"F
2842
15-XXX
XNozzleho
lder
2950
00-XXX
XBlastnozzle
3080
20-000-02
Wetblastattachm
enta
ssem
bly
3120
20-013
Vibrator
3242
27-304-05
4227
-305-99
Garde
nho
secou
pling
Garde
nho
segasket,3/4"
3323
00-305-02
Y-strainer,60mesh3/4"
3442
24-711-02
Waterquickcon
nectsocket,1/4"
3524
01-502
Drainballvalve,1/4"
3642
14-108-01
Thread
edcou
pling
37—
Fullpressu
rebypassba
llvalve
3887
10-40007A
Blastpressurega
uge,0-160psi
39—
Pressu
revesseln
amep
late
4021
00-011
Popu
pGasket
4121
00-010
Popu
pHea
d
4250
10-010
Lid,12"
4350
11-010
Screen
,12"(1
/4"mesh)
4420
13-402
Dus
telim
inator,1/4"mnp
t
4570
46-003
70
19-519
Whe
el&Tire
NylockNut3/4"
51
DRAWING & PARTS LISTS
52
DRAWING & PARTS LISTSIT
EMPA
RTD
ESCR
IPTI
ON
124
01-504
Blowdo
wnba
llvalve1/2"
270
00-001
-11
Han
dway,crabassembly6"x8"
320
10-013
Differen
tialP
ressureGau
ge,0-5psi
*420
03-007
Airpressu
rereg
ulator
*524
01-507
Airinletb
allvalve
*642
08-107
Crowfoot,4-lug
*723
02-207
-50
Airfilter,50
micron
887
10-400
07A
Tank
pressurega
uge,0-160
psi
9—
Drainvalvefo
rairfilter
1087
10-361
01Med
iaValveShu
t-off,1-1/4"
*11
2152
-217
Thom
pson
ValveII
®w/slotted
sleeve
1287
20-021
-01
8720
-031
-01
Blastpot,M
SeriesMod
elM
21
Blastpot,M
SeriesMod
elM
31
1322
29-000
Con
trolvalve,p
neum
atic
1442
24-300
-02
4224
-301
-02
Quickcon
nectplug,1/4"
Quickcon
nectsocket,1/4"
1524
30-804
Vibratorcon
trolang
levalve,1/4"
1687
10-923
01S
Tri-Clamp,1-1/2"
1721
23-107
20
14-300
Automaticairvalve
Breathe
rvent,1/8"
1824
23-907
Gatevalve,blastpressurecontrol
1924
01-506
Clean
outb
allvalve,1"(TVII)
2042
24-300
-02
4224
-301
-02
Quickcon
nectplug,1/4"
Quickcon
nectsocket,1/4"
2142
24-710
-02
Waterquickcon
nectplug,1/4"
2242
13-XXX
Blasthosecoup
ling
ITEM
PART
DES
CRIP
TIO
N
2341
00-501
Twinlin
eho
seassem
bly,3/16x55"
2441
01-002
Waterhose,1/4"pu
shon
2541
04-XXX
-XX
Blasthoseassembly
2622
63-002
G2Dea
dman
valve
2720
24-001
Petcockvalve,1/4"FX1/4"F
2842
15-XXX
XNozzleho
lder
2950
00-XXX
XBlastnozzle
3080
20-000-02
Wetblastattachm
enta
ssem
bly
3120
20-025
Vibrator
3242
27-304-05
4227
-305-99
Garde
nho
secou
pling
Garde
nho
segasket,3/4"
3323
00-305-02
Y-strainer,60mesh3/4"
3442
24-711-02
Waterquickcon
nectsocket,1/4"
3524
01-502
Drainballvalve,1/4"
3642
14-107-01
Thread
edcou
pling
3724
01-507
Fullpressu
rebypassba
llvalve
3887
10-40007A
Blastpressurega
uge,0-160psi
39—
Pressu
revesseln
amep
late
4021
00-011
Popu
pGasket
4121
00-010
Popu
pHea
d
4250
10-060
Lid,12"
4350
11-060
Screen
,12"(1
/4"mesh)
4420
13-402
Dus
telim
inator,1/4"mnp
t
4570
46-003
70
19-519
Whe
el&Tire
NylockNut3/4"
53
DRAWING & PARTS LISTS
54
DRAWING & PARTS LISTSIT
EMPA
RTD
ESCR
IPTI
ON
124
01-504
Blowdo
wnba
llvalve1/2"
270
00-001
-11
Han
dway,crabassembly6"x8"
320
10-013
Differen
tialP
ressureGau
ge,0-5psi
*420
03-006
Airpressu
rereg
ulator
*524
01-506
Airinletb
allvalve
*642
08-106
Crowfoot,4-lug
*723
02-206
-50
Airfilter,50
micron
887
10-400
07A
Tank
pressurega
uge,0-160
psi
9—
Drainvalvefo
rairfilter
1087
10-361
01Med
iaValveShu
t-off,1-1/4"
*11
2152
-216
Thom
pson
ValveII
®w/slotted
sleeve
1287
20-011
-01
Blastpot,M
SeriesMod
elM
21
1322
29-000
Con
trolvalve,p
neum
atic
1471
09-301
71
09-300
Quickcon
nectplug,1/4"
Quickcon
nectsocket,1/4"
1524
30-804
Vibratorcon
trolang
levalve,1/4"
1687
10-923
01S
Tri-Clamp,1-1/2"
1787
20-000
-02
2014
-300
Automaticairvalve
Breathe
rvent,1/8"
1824
23-906
Gatevalve,blastpressurecontrol
1924
01-506
Clean
outb
allvalve,1"(TVII)
2071
09-301
71
09-300
Quickcon
nectplug,1/4"
Quickcon
nectsocket,1/4"
2142
24-710
-02
Waterquickcon
nectplug,1/4"
2242
13-XXX
Blasthosecoup
ling
2370
74-055
70
72-012
Dea
dman
exten
sion
cord,55ft.
Powercord(12vdc)
ITEM
PART
DES
CRIP
TIO
N
2441
01-002
Waterhose,1/4"pu
shon
2541
04-XXX
-XX
Blasthoseassembly
2622
63-400-01
Dea
dman
switc
hw/plug
2720
24-001
Petcockvalve,1/4"FX1/4"F
2842
15-XXX
XNozzleho
lder
2950
00-XXX
XBlastnozzle
3080
20-000-02
Wetblastattachm
enta
ssem
bly
3120
20-013
Vibrator
3242
27-304-05
4227
-305-99
Garde
nho
secou
pling
Garde
nho
segasket,3/4"
3323
00-305-02
Y-strainer,60mesh3/4"
3442
24-711-02
Waterquickcon
nectsocket,1/4"
3524
01-502
Drainballvalve,1/4"
3642
14-108-01
Thread
edcou
pling
37—
Fullpressu
rebypassba
llvalve
3887
10-40007A
Blastpressurega
uge,0-160psi
39—
Pressu
revesseln
amep
late
4021
00-011
Popu
pGasket
4121
00-010
Popu
pHea
d
4250
10-010
Lid,12"
4350
11-010
Screen
,12"(1
/4"mesh)
4420
13-402
Dus
telim
inator,1/4"mnp
t
4570
46-003
70
19-519
Whe
el&Tire
NylockNut3/4"
55
DRAWING & PARTS LISTS
56
DRAWING & PARTS LISTSIT
EMPA
RTD
ESCR
IPTI
ON
124
01-504
Blowdo
wnba
llvalve1/2"
270
00-001
-11
Han
dway,crabassembly,6"x8"
320
10-013
Differen
tialP
ressureGau
ge,0-5psi
*420
03-007
Airpressu
rereg
ulator
*524
01-507
Airinletb
allvalve
*642