1、Designation:D659315aStandard Test Method forEvaluation of Automotive Engine Oils for Inhibition ofDeposit Formation in a Spark-Ignition Internal CombustionEngine Fueled with Gasoline and Operated Under Low-Temperature,Light-Duty Conditions1This standard is issued under the fixed designation D6593;th
2、e 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.INTRODUCT
3、IONPortions of this test method are written for use by laboratories that make use of ASTM TestMonitoring Center(TMC)2services(see Annex A1).The TMC provides reference oils,and engineering and statistical services to laboratories that desireto produce test results that are statistically similar to th
4、ose produced by laboratories previouslycalibrated by the TMC.In general,the Test Purchaser decides if a calibrated test stand is to be used.Organizations such astheAmerican Chemistry Council require that a laboratory utilize the TMC services as part of their testregistration process.In addition,the
5、American Petroleum Institute and the Gear Lubricant ReviewCommittee of the Lubricant Review Institute(SAE International)require that a laboratory use theTMC services in seeking qualification of oils against their specifications.The advantage of using the TMC services to calibrate test stands is that
6、 the test laboratory(andhence the Test Purchaser)has an assurance that the test stand was operating at the proper level of testseverity.It should also be borne in mind that results obtained in a non-calibrated test stand may notbe the same as those obtained in a test stand participating in the ASTM
7、TMC services process.Laboratories that choose not to use the TMC services may simply disregard these portions.1.Scope*1.1 This test method covers and is commonly referred to asthe Sequence VG test,2and it has been correlated with vehiclesused in stop-and-go service prior to 1996,particularly withreg
8、ard to sludge and varnish formation.3It is one of the testmethods required to evaluate oils intended to satisfy the APISL performance category.1.2 The values stated in SI units are to be regarded as thestandard.No other units of measurement are included in thisstandard.1.2.1 ExceptionWhere there is
9、no direct SI equivalentsuch as screw threads,national pipe threads/diameters,tubingsize,or specified single source equipment.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-
10、priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.Specific hazardstatements are given in 7.7,7.10.2.2,8.3.4.2,8.4.4.3,9.2.6,9.3.4.5,12.1.1.7,12.2.1.4,and Annex A5.1.4 A Table of Contents follows:SectionScope1Referenced Documents2Terminology3Su
11、mmary of Test Method4Significance and Use5Apparatus(General Description)6Apparatus(The Test Engine)7Sequence VG Test Engine7.1Required New Engine Parts7.2Reusable Engine Parts7.3Specially Fabricated Engine Parts7.4Special Engine Measurement and Assembly Equipment7.51This test method is under the jur
12、isdiction of ASTM Committee D02 onPetroleum Products,Liquid Fuels,and Lubricants and is the direct responsibility ofSubcommittee D02.B0.01 on Passenger Car Engine Oils.Current edition approved Oct.1,2015.Published October 2015.Originallyapproved in 2000.Last previous edition approved in 2015 as D659
13、3 15.DOI:10.1520/D6593-15A.2Until the next revision of this test method,the ASTM Test Monitoring Centerwill update changes in the test method by means of information letters.Informationletters may be obtained from the ASTM Test Monitoring Center,6555 Penn Ave.,Pittsburgh,PA 15206-4489.Attention:Admi
14、nistrator.This edition incorporatesrevisions in all information Letters through No.145.3Supporting data have been filed at ASTM International Headquarters and maybe obtained by requesting Research Report RR:D02-1472.*A Summary of Changes section appears at the end of this standardCopyright ASTM Inte
15、rnational,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 Miscellaneous Engine Components-Preparation7.6Solvents and Cleaners Required7.7Assembling the Test Engine-Preparations7.8Assembling the Test Engine-Installations7.9Engine Installation on the Test Stand7.10Engi
16、ne Fluids(Supply/Discharge Systems)8Intake Air8.1Fuel and Fuel System8.2Engine Oil and Engine Oil System8.3Coolants8.4Measurement Instrumentation9Temperatures9.1Pressures9.2Flow Rates9.3Fuel Consumption9.4Speed and Load9.5Exhaust Gas9.6Humidity9.7Miscellaneous Laboratory Equipment10Test Stand Calibration11Test Procedure12Pre-Test Procedure12.1Engine Operating Procedure12.2Periodic Measurements and Functions12.3Special Maintenance Procedures12.4Diagnostic Data Review12.5End of Test Procedure12.6I
