ASTM_D_6838_-_04_2010.pdf

Designation:D683804(Reapproved 2010)Standard Test Method forCummins M11 High Soot Test1This standard is issued under the fixed designation D6838;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method is commonly referred to as the Cum-mins M11 High Soot Test(HST).The test method defines aheavy-duty diesel engine test procedure conducted under highsoot conditions to evaluate oil performance with regard tovalve train wear,sludge deposits,and oil filter plugging.21.2 The values stated in SI units are to be regarded as thestandard.The values given in parentheses are for informationonly.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.See Annex A1 forgeneral safety precautions.1.4 Table of Contents:SubjectSectionScope1Referenced Documents2Terminology3Summary of Test Method4Significance and Use5Apparatus6Test Engine Configuration6.1Test Engine6.1.1Oil Heat Exchanger,Adapter Blocks,and BlockOff Plate6.1.2Oil Pan Modification6.1.3Engine Control Module6.1.4Air Compressor and Fuel Pump6.1.5Test Stand Configuration6.2Engine Mounting6.2.1Intake Air System6.2.2Aftercooler6.2.3Exhaust System6.2.4Fuel Supply6.2.5Coolant System6.2.6SubjectSectionPressurized Oil Fill System6.2.7External Oil System6.2.8Crankcase Aspiration6.2.9Blowby Rate6.2.10System Time Responses6.3Oil Sample Containers6.4Mass Balance6.5Engine and Cleaning Fluids7Test Oil7.1Test Fuel7.2Engine Coolant7.3Solvent7.4Preparation of Apparatus8Cleaning of Parts8.1Crosshead Cleaning and Measurement8.1.6Rod Bearing Cleaning and Measurement8.1.7Engine Assembly8.2General8.2.1Parts Reuse and Replacement8.2.2Build-Up Oil8.2.3Coolant Thermostat8.2.4Oil Thermostat8.2.5Fuel Injectors8.2.6New Parts8.2.7Operational Measurements8.3Units and Formats8.3.1Instrumentation Calibration8.3.2Temperatures8.3.3Pressures8.3.4Flow Rate8.3.5Engine/Stand Calibration and Non-ReferenceOil Tests9General9.1Calibration Configuration9.2New Test Stand9.3Engine/Stand Calibration Period9.4Change of Calibration Configuration9.5Stand Modification and Calibration Status9.6Test Numbering System9.7Reference Oil Test Acceptance9.8Unacceptable Reference Oil Test9.9Reference Oil Accountability9.10Non-Reference Oil Tests9.11Test Procedure10Engine Installation and Stand Connections10.1Coolant System Fill10.2Oil Fill for Break-in10.3Fuel Samples10.4Engine Warm-up10.5Engine Break-in10.6Shutdown and Maintenance10.7200-h Test Procedure10.8Oil Fill for Test10.8.2Zero-h Oil Sample10.8.3.1Operating Conditions10.8.4Injection Timing Change10.8.5%Soot Validity10.8.61This test method is under the jurisdiction of ASTM Committee D02 onPetroleum Products,Liquid Fuels,and Lubricantsand is the direct responsibility ofSubcommittee D02.B0.02 on Heavy Duty Engine Oils.Current edition approved Oct.1,2010.Published November 2010.Originallyapproved in 2002.Last previous edition approved in 2004 as D683804.DOI:10.1520/D6838-04R10.2The ASTM Test Monitoring Center(TMC)will update changes in this testmethod by means of Information Letters.This edition incorporates revisions in allInformation Letters through No.03-1.Information letters may be obtained from theASTM Test Monitoring Center,6555 Penn Ave.,Pittsburgh,PA 15206-4489,Attention:Administrator.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 SubjectSectionTest Timer10.8.7Operational Data Acquisition10.8.8Oil Purge,Sample and Addition10.8.9Full and Drain Weight10.8.9.2End of Test(EOT)10.9Engine Disassembly10.9.4Calculations,Ratings and Test Validity11Crosshead Mass Loss11.1Rod Bearing Mass Loss11.2Sludge Ratings11.3Piston Ratings11.4Oil Filter Plugging11.5Oil Analyses11.6Oil Consumption11.7Fuel Analyses11.8Ring Mass Loss11.9Assessment of Operational Validity11.10Assessment of Test Interpretability11.11Test Report12Precision and Bias13Keywords14AnnexesSafety PrecautionsAnnex A1Mandatory Supplier ListAnnex A2Engine Build Parts KitAnnex A3Sensor Locations and Special HardwareAnnex A4External Oil SystemAnnex A5Fuel SpecificationAnnex A6Cummins Service PublicationsAnnex A7Specified Units and FormatsAnnex A8Report FormsAnnex A9Sludge Rating FormsAnnex A10Piston Rating LocationsAnnex A11Oil AnalysesAnnex A12Oil Filter PluggingAnnex A13Determination of Operational ValidityAnnex A14AppendixesNon-Mandatory Suppliers ListAppendix X1Typical System ConfigurationsAppendix X22.Referenced Documents2.1 ASTM Standards:3D86 Test Method for Distillation of Petroleum Products atAtmospheric PressureD92 Test Method for Flash and Fire Points by Clevelan