1、Designation:D692318Standard Test Method forEvaluation of Engine Oils in a High Speed,Single-CylinderDiesel EngineCaterpillar 1R Test Procedure1This standard is issued under the fixed designation D6923;the number immediately following the designation indicates the year oforiginal adoption or,in the c
2、ase 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.INTRODUCTIONAny properly equipped laboratory,without outside assistance,can use the test procedure describ
3、edin this test method.The ASTM Test Monitoring Center(TMC)2provides calibration oils and anassessment of the test results obtained on those oils by the laboratory.By this means,the laboratorywill know whether their use of the test method gives results statistically similar to those obtained byother
4、laboratories.Furthermore,various agencies require that a laboratory utilize the TMC services inseeking qualification of oils against specifications.For example,the U.S.Army has such a requirementin some of its engine oil specifications.Accordingly,this test method is written for those laboratoriesth
5、at use the TMC services.Laboratories that choose not to use these services should ignore thoseportions of the test method that refer to the TMC.Information Letters issued periodically by the TMCmay modify this test method.In addition,the TMC may issue supplementary memoranda related tothe test metho
6、d.ASTM International policy is to encourage the development of test procedures based on genericequipment.It is recognized that there are occasions where critical/sole-source equipment has beenapproved by the technical committee(surveillance panel/task force)and is required by the testprocedure.The t
7、echnical committee that oversees the test procedure is encouraged to clearly identifyif the part is considered critical in the test procedure.If a part is deemed to be critical,ASTMencourages alternative suppliers to be given the opportunity for consideration of supplying the criticalpart/component
8、providing they meet the approval process set forth by the technical committee.An alternative supplier can start the process by initiating contact with the technical committee(current chairs shown on ASTM TMC website).The supplier should advise on the details of the partthat is intended to be supplie
9、d.The technical committee will review the request and determinefeasibility of an alternative supplier for the requested replacement critical part.In the event that areplacement critical part has been identified and proven equivalent the sole-source supplier footnoteshall be removed from the test pro
10、cedure.1.Scope*1.1 This test method covers stressing an engine oil undermodern high-speed diesel operating conditions and measuresthe oils deposit control,lubrication ability,and resistance tooil consumption.It is performed in a laboratory using astandardized high-speed,single-cylinder diesel engine
11、.31.2 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.2.1 ExceptionsWhere there is no direct SI equivalentsuch as screw threads,national pipe threads/diameters,andtubing size,or where a sole source supplier is specified.1.3 Thi
12、s standard does not purport to address all of thesafety concerns,if any,associated with its use.It is the1This test method is under the jurisdiction of ASTM Committee D02 onPetroleum Products,Liquid Fuels,and Lubricants and is the direct responsibility ofSubcommittee D02.B0 on Automotive Lubricants.
13、Current edition approved Oct.1,2018.Published November 2018.Originallyapproved in 2003.Last previous edition approved in 2017 as D6923 17.DOI:10.1520/D6923-18.2Until the next revision of this test method,the ASTM Test Monitoring Center(TMC)will update changes in the test method by means of informati
14、on letters.Information letters may be obtained from the ASTM Test Monitoring Center,6555Penn Ave.,Pittsburgh,PA 15206-4489.Attention:Administrator.This editionincorporates revisions in all information Letters through No.18-1.3Available from Caterpillar Inc.,Engine System Technology Development,P.O.B
15、ox 610,Mossville,IL 61552-0610.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principl
16、es on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 responsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.Being an engine test method,this test method does havedefinite hazards that require safe practic
