ASTM D7320-2012a red 4375 Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG Spark-Ignition Engine《评估顺序IIIG火花点火式发动机中汽车发动机油的标准试验方法》.pdf
《ASTM D7320-2012a red 4375 Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG Spark-Ignition Engine《评估顺序IIIG火花点火式发动机中汽车发动机油的标准试验方法》.pdf》由会员分享,可在线阅读,更多相关《ASTM D7320-2012a red 4375 Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG Spark-Ignition Engine《评估顺序IIIG火花点火式发动机中汽车发动机油的标准试验方法》.pdf(58页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: D7320 12D7320 12aStandard Test Method forEvaluation of Automotive Engine Oils in the Sequence IIIG,Spark-Ignition Engine1This standard is issued under the fixed designation D7320; the number immediately following the designation indicates the year oforiginal adoption or, in the case of
2、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.INTRODUCTIONThe test method described in this standard can be used by any properly equipped laboratory; it d
3、oesnot require the assistance of anyone outside that laboratory. However, the ASTM Test MonitoringCenter (TMC)2 provides reference oils and an assessment of the test results obtained on those oils bythe laboratory (see AnnexA1). By these means, the laboratory will know whether their use of the testm
4、ethod gives results statistically similar to those obtained by other laboratories. Furthermore, variousagencies require that a laboratory utilize the TMC services in seeking qualification of oils againstspecifications. For example, the U.S. Army imposes such a requirement in connection with severalA
5、rmy engine lubricating oil specifications.Accordingly, this test method is written for use by laboratories that utilize the TMC services.Laboratories that choose not to use those services may simply ignore those portions of the test methodthat refer to the TMC.This test method may be modified by mea
6、ns of Information Letters issued by the TMC. In addition,the TMC may issue supplementary memoranda related to the test method (see A1.8).1. Scope*1.1 This test method covers an engine test procedure for evaluating automotive engine oils for certain high-temperatureperformance characteristics, includ
7、ing oil thickening, varnish deposition, oil consumption, as well as engine wear. Such oilsinclude both single viscosity grade and multiviscosity grade oils that are used in both spark-ignition, gasoline-fueled engines, aswell as in diesel engines.1.1.1 Additionally, with nonmandatory supplemental re
8、quirements, a IIIGA Test (Mini Rotary Viscometer and Cold CrankingSimulator measurements), a IIIGVS Test (EOT viscosity increase measurement), or a IIIGB Test (phosphorous retentionmeasurement) can be conducted. These supplemental test procedures are contained in Appendixes Appendix X1, Appendix X2,
9、and Appendix X3, respectively.NOTE 1Companion test methods used to evaluate engine oil performance for specification requirements are discussed in SAE J304.1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.1.2.1 ExceptionWhe
10、re there is no direct SI equivalent such as screw threads, national pipe threads/diameters, and tubing size.1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety
11、and health practices and determine the applicability of regulatorylimitations prior to use. Specific warning statements are provided in 6.14.1.1 and 7.1.1.4 This test method is arranged as follows:SectionIntroductionScope 1Referenced Documents 21 This test method is under the jurisdiction of ASTM Co
12、mmittee D02 on Petroleum Products and Lubricants and is the direct responsibility of Subcommittee D02.B0.01on Passenger Car Engine Oils.Current edition approved April 15, 2012Nov. 1, 2012. Published September 2012March 2013. Originally approved in 2006. Last previous edition approved in 20112012as D
13、732011a.12. DOI: 10.1520/D7320-12.10.1520/D7320-12A.2 Until the next revision of this test method, the ASTM Test Monitoring Center will update changes in the test method by means of information letters. Information lettersmay be obtained from the ASTM Test Monitoring Center, 6555 Penn Avenue, Pittsb
14、urgh, PA 15206-4489. Attention: Administrator. This edition incorporates revisions in allinformation letters through No. 113.121.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Be
15、causeit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section app
16、ears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1SectionTerminology 3Summary of Test Method 4Significance and Use 5Apparatus 6Laboratory 6.1Drawings 6.2Specified Equipment 6.3Test Engine 6.4Engine Parts
17、6.4.1Engine Speed and Load Control 6.5Fluid Conditioning Module 6.6Engine Cooling System 6.6.1Flushing Tank 6.7Coolant Mixing Tank 6.8Condenser Cooling Systems 6.9Engine Oil-Cooling System 6.10Fuel System 6.11Induction Air Supply Humidity, Temperature, and Pressure 6.12Temperature Measurement 6.13Th
18、ermocouple Location 6.13.1Air-to-Fuel Ratio Determination 6.14Injector Flow Testing 6.14.1Exhaust and Exhaust Back Pressure Systems 6.15Blowby Flow Rate Measurement 6.16Pressure Measurement and Sensor Location 6.17Reagents and Materials 7Test Fuel 7.1Engine and Condenser Coolant 7.2Coolant Additive
19、7.3Coolant Preparation 7.4Pre-Test Cleaning Materials 7.5Sealing and Anti-seize Compounds 7.6Test Oil Sample Requirements 8Preparation of Apparatus 9Condenser Cleaning 9.1Intake Manifold Cleaning 9.2Cleaning of Engine Parts (other than the block and heads) 9.3Connecting Rod Cleaning 9.4Engine Block
20、Cleaning 9.5Cylinder Head Cleaning 9.6Engine Build-up Procedure 9.7General Information 9.7.1Special Parts 9.7.2Hardware Information 9.7.3Fastener Torque Specifications and Torquing Procedures 9.7.4Main Bearing Cap Bolts 9.7.4.1Cylinder Head Bolts 9.7.4.2Torques for Miscellaneous Bolts, Studs, and Nu
21、ts 9.7.4.3Parts Replacement 9.8Engine Block Preparation 9.9Piston Fitting and Numbering 9.10Piston Ring Fitting 9.10.1Pre-Test Camshaft and Lifter Measurements 9.11Camshaft Bearing Installation 9.12Camshaft Installation 9.13Main Bearings 9.14Crankshaft Installation 9.14.1Main Bearing Cap Installatio
22、n 9.14.2Crankshaft Sprocket 9.15Camshaft Sprocket and Timing Chain 9.16Crankshaft End Play 9.17Piston Pin Installation 9.18Piston Installation 9.18.1Harmonic Balancer 9.19Connecting Rod Bearings 9.20Engine Front Cover 9.21Coolant Inlet Adapter 9.22Oil Dipstick Hole 9.23Oil Pan 9.24Cylinder Head Asse
23、mbly 9.25Adjustment of Valve Spring Loads 9.26Cylinder Head Installation 9.27Hydraulic Valve Lifters 9.28Pushrods 9.29Valve Train Loading 9.30Intake Manifold 9.31Rocker Covers 9.32D7320 12a2SectionWater Inlet Adapter 9.33Condenser 9.34Coolant Outlet Adapter 9.35Oil Filter Adapter 9.36Oil Sample Valv
24、e 9.37Ignition System 9.38Throttle Body 9.39Accessory Drive Units 9.40Exhaust Manifolds, Water-Cooled 9.41Engine Flywheel 9.42Pressure Checking of Engine Coolant System 9.43Lifting of Assembled Engines 9.44Mounting the Engine on the Test Stand 9.45External Cooling System Cleaning 9.46Engine Coolant
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