Designation:F555−01(Reapproved2016)AnAmericanNationalStandardStandardTestMethodforMotorLifeEvaluationofanUprightVacuumCleaner1ThisstandardisissuedunderthefixeddesignationF555;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversmotorlifeevaluationofhouse-holdorcommercialsingleanddualmotoruprightvacuumcleaners(uprightswithseparatemotorsforcreatingthevacuumanddrivingthefloorbrush).Self-propelledorpower-assistcleanersarenotwithinthescopeofthistestmethod.1.2Thistestmethodislimitedtoevaluationoftheuprightvacuumcleanerelectricmotor(s).1.3Thistestmethodprovidesatesttodetermineoperatinglifeofthemotor(s),beforeservicingisneeded,byanacceler-atedlaboratoryprocedure.Motor(s)aretestedwhilemountedandoperatedintheuprightvacuumcleaner.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunits,whichareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D75PracticeforSamplingAggregatesE337TestMethodforMeasuringHumiditywithaPsy-chrometer(theMeasurementofWet-andDry-BulbTem-peratures)F431SpecificationforAirPerformanceMeasurementPle-numChamberforVacuumCleanersF608TestMethodforEvaluationofCarpetEmbeddedDirtRemovalEffectivenessofHousehold/CommercialVacuumCleanersF655SpecificationforTestCarpetsandPadsforVacuumCleanerTesting3.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1motorlife—limitedbyfailureofmotor.Failureismotorstoppage.Inthecaseofadualmotorupright,thetestwillbecontinueduntilbothmotors(vacuummot...