Designation:D7422−15aStandardTestMethodforEvaluationofDieselEngineOilsinT-12ExhaustGasRecirculationDieselEngine1ThisstandardisissuedunderthefixeddesignationD7422;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversanenginetestprocedureforevaluatingdieselengineoilsforperformancecharacteristics,includingleadcorrosionandwearofpistonringsandcylinderlinersinanengineequippedwithexhaustgasrecirculationandrunningonultra-lowsulfurdieselfuel.2ThistestmethodiscommonlyreferredtoastheMackT-12.1.1.1Thistestmethodalsoprovidestheprocedureforrunninganabbreviatedlengthtest,whichiscommonlyreferredtoastheT-12A.TheproceduresfortheT-12andT-12AareidenticalwiththeexceptionoftheitemsspecificallylistedinAnnexA9.Additionally,theproceduremodificationslistedinAnnexA9refertothecorrespondingsectionoftheT-12procedure.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.2.1Exception—WherethereisnodirectSIequivalent,suchastheunitsforscrewthreads,NationalPipeThreads/diameters,tubingsize,andsinglesourcesupplyequipmentspecifications.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.SeeAnnexA6forspecificsafetyprecautions.2.ReferencedDocuments2.1ASTMStandards:3D86TestMethodforDistillationofPetroleumProductsatAtmosphericPressureD93TestMethodsforFlashPointbyPensky-MartensClosedCupTesterD97TestMethodforPourPointofPetroleumProductsD130TestMethodforCorrosivenesstoCopperfromPetro-leumProductsbyCopperStripTestD235SpecificationforMineralSpirits(PetroleumSpirits)(HydrocarbonDryCleaningSolvent)D287TestMethodforAPIGravityofCrudePetroleuma...
