Designation:D7603−13StandardTestMethodforDeterminationofStorageStabilityandCompatibilityinAutomotiveGearOils1ThisstandardisissuedunderthefixeddesignationD7603;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthedeterminationofstoragestabilitycharacteristicsandthecompatibilityofautomotivegearlubricantswhenblendedwithreferencelubricants.Thepurposeofthetestistodetermineifperformance-enhancingadditivesseparateoutunderdefinedconditions.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D235SpecificationforMineralSpirits(PetroleumSpirits)(HydrocarbonDryCleaningSolvent)D1193SpecificationforReagentWaterD4175TerminologyRelatingtoPetroleum,PetroleumProducts,andLubricantsD5760SpecificationforPerformanceofManualTransmis-sionGearLubricantsE542PracticeforCalibrationofLaboratoryVolumetricApparatusE1272SpecificationforLaboratoryGlassGraduatedCylin-ders2.2SAEStandards:3J2360LubricatingOil,GearMultipurpose(Metric)MilitaryUse2.3FederalTestMethodStandard:4FED-STD-791/3440.1StorageSolubilityCharacteristicsofUniversalGearLubricantsFED-STD-791/3440.2CompatibilityCharacteristicsofUni-versalGearLubricants3.Terminology3.1Definitions:3.1.1calibrate,v—todeterminetheindicationoroutputofameasuringdevice(forexample,thermometer,manometer,engine)withrespecttothatofastandard.3.1.2candidateoil,n—anoilthatisintendedtohavetheperformancecharacteristicsnecessarytosatisfyaspecificationandistobetestedagainstthatspecification.D41753.1.3ref...
