1、BRITISH STANDARD BS EN 13790-1:2003 Agricultural machinery Sprayers Inspection of sprayers in use Part 1: Field crop sprayers The European Standard EN 13790-1:2003 has the status of a British Standard ICS 65.060.40 BS EN 13790-1:2003 This British Standard was published under the authority of the Sta
2、ndards Policy and Strategy Committee on 4 June 2003 BSI 4 June 2003 ISBN 0 580 41986 X National foreword This British Standard is the official English language version of EN 13790-1:2003. The UK participation in its preparation was entrusted to Technical Committee AGE/15, Equipment for crop protecti
3、on and application of liquid fertilizer, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may
4、be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users ar
5、e responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and
6、 keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 17 and a back cover. The BSI copyright date displayed in this document
7、indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN137901 May2003 ICS65.060.40 Englishversion AgriculturalmachinerySprayersInspectionofsprayersinuse Part1:Fieldcropsprayers MatrielsagricolePulvrisate
8、ursContrledes pulvrisateursenservicePartie1:Pulvrisateurspour culturesbasses LandmaschinenPflanzenschutzgertePrfungvonin GebrauchbefindlichenPflanzenschutzgertenTeil1: Feldspritzgerte ThisEuropeanStandardwasapprovedbyCENon25March2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswh
9、ichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(Englis
10、h,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hun
11、gary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinany
12、formandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN137901:2003EEN137901:2003(E) 2 Contents Page Foreword. 3 Introduction 4 1 Scope . 4 2 Normativereferences . 4 3 Inspection 4 4 Requirementsandmethodofverification. . 5 4.1 Powertransmissionparts 5 4.2 Pump 5 4.3 Agitation. 5 4.4 Spra
13、yliquidtank . 6 4.5 Measuringsystems,controlsandregulationsystems. 6 4.6 Pipesandhoses. . 7 4.7 Filtering 7 4.8 Sprayboom . 8 4.9 Nozzles. 9 4.10 Transversedistribution 9 5 Testmethods . 10 5.1 Preparationofsprayer 10 5.2 Testfacilitiesandmethods. . 10 6 Summaryoftheinspection. . 12 7 Testreport . 1
14、2 AnnexA (informative) Summaryoftheinspection. 13 AnnexB (informative) Testreport. 14 Bibliography . 17EN137901:2003(E) 3 Foreword Thisdocument(EN137901:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC144“Tractorsand machineryforagricultureandforestry”,thesecretariatofwhichisheldbyAFNOR. ThisEuropeanS
15、tandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyNovember2003,andconflictingnationalstandardsshallbewithdrawn atthelatestbyNovember2003. ThisEuropeanStandardconsistsofthefollowingParts,underthegeneraltitleAgriculturalmachinery Sprayers
16、Inspectionofsprayersinuse: Part1:Fieldcropsprayers Part2:Airassistedsprayersforbushandtreecrops AnnexesAandBareinformative. Duringrecentyears,severalcountrieshavedevelopedsystemsforinspectionoffieldcropsprayersinuse. Developmentsinthisdirectionhavebeenstimulatedbypublicconcernaboutrisks,andtheaimofr
17、educing theuseofcropprotectionproducts. However,therearethreemainargumentsfortheinspection: testoperatorsafety(minimumrequirementsaregivenconcerningoperatorsafetyintheuseofwork equipmentatworkdirective95/63/CE,amendingdirective89/655/CEE,andcanbecomplimentedby nationalregulations); lesspotentialrisk
18、ofenvironmentalcontaminationbycropprotectionproducts; goodcontrolofthepestwiththeminimumpossibleinputofcropprotectionproduct. InordertousecropprotectionproductsinagriculturalproductioninEuropesafely,itisnecessarytodefinethe requirementsandtestmethodsforsprayersinuse.Thisisarelevantstepafterhavingsta
19、ndardizedthe requirementsfornewequipment,inrespectofsafetyhazards(seeEN 907)andpotentialrisksof environmentalcontamination(seeEN12761Parts1to3). AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgi
20、um,CzechRepublic,Denmark, Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands, Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN137901:2003(E) 4 Introduction Standardisingtherequirementsandmethodsforinspectionofsprayersinuse,takesintoconside
21、rationnot onlytheoriginalperformanceofthesprayingequipment,butalsoitsuse,careandmaintenance.Thisisthe logicallinkbetweennewequipmentofgoodqualityandwelleducatedandconcernedusers. Theinspectionofsprayersinusecanbedoneonavoluntaryormandatorybasis.Inbothcasesfurtherofficial orlegalspecificationsarenece
22、ssary,e.g.ontheexecutionmanagementoftheinspection,which organisationsareauthorisedtocarryouttheinspection,timeintervalsbetweeninspectionsetc.Asthe specificationsofthisEuropeanStandardarebasedonEN907andEN12761,itmaybethecasethat sprayersinusewhichwereproducedbeforeEN907andEN12761cameintoforcedonotful
23、filallthe specificationsgiveninthisEuropeanStandard. 1Scope ThisEuropeanStandardspecifiestherequirementsandmethodsoftheirverificationfortheinspectionoffield cropsprayersinuse.Itrelatesmainlytotheconditionofthesprayerinrespectofsafetyhazardsforthetest operator,thepotentialriskofenvironmentalcontamina
24、tionandopportunitiestoachievegoodapplication. NOTE Minimumrequirementsaregivenconcerningoperatorsafetyintheuseofworkequipmentatworkdirective 95/63/CE,amendingdirective89/655/CEE,andcanbecomplimentedbynationalregulations. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference
25、,provisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedrefer
26、encesthe latesteditionofthepublicationreferredtoapplies(includingamendments). EN8371, PressuregaugesPart1:BourdontubepressuregaugesDimensions,metrology,requirements andtesting. ISO56822:1997, EquipmentforcropprotectionSprayingequipmentPart2:Testmethodsforhydraulic sprayers. 3Inspection Thecompliance
27、withtherequirementsdefinedinthefollowingclausesshallbecheckedbyinspection, functiontestsandmeasurements. NOTE Someofthetestsspecifiedinthisstandardinvolveprocesseswhichcouldleadtoahazardoussituation.Any personperformingtestsinaccordancewiththisstandardshouldbeappropriatelytrainedinthetypeofworktobec
28、arried out.Allnationalregulatoryconditionsandhealthandsafetyrequirementsshouldbefollowed.EN137901:2003(E) 5 4 Requirementsandmethodofverification 4.1 Powertransmissionparts 4.1.1 Thepowertakeoffdriveshaftguardandtheguardofthepowerinputconnection(PIC)shallbefitted andingoodcondition: thedifferentpart
29、softheshaft,theuniversaljointsandlockingsystemsshallnotshowanymarkof excessivewearandshalloperatecorrectly; thefunctionoftheguardshallbeobviousandtheguardshallnotshowanywearmarks,holes, deformationsortears; therestrainingdevicethatpreventstherotationofthepowertakeoffdriveshaftguardshallbepresent and
30、shallworkreliably. Theprotectivedevicesandanymovingorrotatingpowertransmissionpartsshallnotbeaffectedintheir function. Methodofverification: inspectionandfunctiontest. 4.1.2 AdeviceforsupportingthePTOdriveshaftwhennotinuseshallbepresentandingoodcondition. ThechainordeviceusedforrestrainingthePTOshaf
31、tguardshallnotbeacceptableforthispurpose. Theguardofthepowerinputconnection(PIC)shallbefittedandingoodcondition. 4.2Pump 4.2.1 Thepumpcapacityshallbesuitedtotheneedsoftheequipment. a) Thepumpcapacityshallbeatleast90%ofitsoriginalnominalflow,givenbythemanufacturerofthe sprayer. Methodofverification:
32、measurementaccordingto5.2.1.a);or b) thepumpshallhavesufficientflowratecapacityinordertobeabletosprayatmaximumworking pressureasrecommendedbythesprayerorthenozzlemanufacturerduringtestwiththelargestnozzles mountedontheboomwhilemaintainingavisibleagitationasspecifiedin4.3. Methodofverification: measu
33、rementaccordingto5.2.1.b). 4.2.2 Thereshallbenovisiblepulsationscausedbythepump. Methodofverification: inspectionandfunctiontest. 4.2.3 Whenthereisapressuresafetyvalveonthepressuresideofthepump,thisvalveshallworkreliably. Methodofverification: inspectionandfunctiontest. 4.2.4 Thereshallbenoleakages(
34、e.g.dripping)fromthepump. Methodofverification: inspection. 4.3Agitation Aclearlyvisiblerecirculationshallbeachievedwhensprayingatthenominalp.t.ospeed,withthetankfilledto thehalfofitsnominalcapacity.EN137901:2003(E) 6 Methodofverification: inspection. 4.4 Sprayliquidtank 4.4.1 Thereshallbenoleakages
35、fromthetankorfromthefillingholewhenthecoverisclosed. Methodofverification: inspection. 4.4.2 Thereshallbeastraineringoodconditioninthefillinghole. Methodofverification: inspection. 4.4.3 Thereshallbeagratinginthechemicalintroductioncontainer,ifprovided. Methodofverification: inspection. 4.4.4 Pressu
36、recompensation(toavoidoverorunderpressureinthetank)shallbeensured. Methodofverification: inspection. 4.4.5 Thereshallbeaclearlyreadableliquidlevelindicatoronthetankwhichisvisiblefromthedrivers positionandfromwherethetankisfilled. Methodofverification: inspection. 4.4.6 Itshallbepossibletocollectthee
37、mptiedsprayliquidsimply,withouttools,reliablyandwithout spillage(forexampleusingatap). Methodofverification: functiontest. 4.4.7 Ifthereisanonreturndeviceonthewaterfillingdeviceofthetank,thisdeviceshallworkreliably. Methodofverification: inspectionandfunctiontest. 4.4.8 Thechemicalintroductioncontai
38、ner,ifprovided,shallworkreliably. Methodofverification: functiontest. 4.4.9 Thecleaningdeviceforcropprotectionproductcontainers,ifprovided,shallworkreliably. Methodofverification: functiontest. 4.5 Measuringsystems,controlsandregulationsystems 4.5.1 Alldevicesformeasuring,switchingonandoffandadjusti
39、ngpressureand/orflowrateshallwork reliablyandthereshallbenoleakages. Methodofverification: inspectionandfunctiontest. 4.5.2 Thecontrolsnecessaryforsprayingshallbemountedinsuchawaythattheycanbeeasilyreached andoperatedduringtheapplicationandinformationprovidedforexampleondisplaysthatcanberead respect
40、ively. Switchingonandoffofallnozzlesshallbepossiblesimultaneously NOTE Turningoftheheadandtheupperbodyisacceptable. Methodofverification: inspection.EN137901:2003(E) 7 4.5.3 Thescaleofthepressuregaugeshallbeclearlyreadableandsuitablefortheworkingpressurerange used. Methodofverification: inspection.
41、4.5.4 Thescaleshallbemarked: atleastevery0,2barforworkingpressureslessthan5bar; atleastevery1,0barforworkingpressuresbetween5barand20bar; atleastevery2,0barforworkingpressuresmorethan20bar. Methodofverification: inspection. 4.5.5 Foranaloguepressuregaugestheminimumdiameterofthepressuregaugecasesshal
42、lbe63mm. Methodofverification: measurement. 4.5.6 Theaccuracyofthepressuregaugeshallbe 0,2barforworkingpressuresbetween1bar(included) and2bar(included). Fromapressureof2bar,thepressuregaugeshallmeasurewithanaccuracyof 10%oftherealvalue. Thepointeronthepressuregaugeshallremainstableinordertopermitrea
43、dingoffoftheworkingpressure. Methodofverification: accordingto5.2.2. 4.5.7 Othermeasuringdevices,especiallyflowmeters(usedforcontrollingthevolume/hectarerate),shall measurewithinamaximumerrorof5%oftherealdata. Methodofverification: accordingto5.2.3. 4.6 Pipesandhoses 4.6.1 Thereshallbenoleakagesfrompipesorhoseswhentesteduptothemaximumobtainablepressure forthesystem. Methodofverification: inspectionandfunctiontest. 4.6.2 Hosesshallbepositionedinsuchawaythattherearenosharpbendsa
