ASTM D 7484 : 2023 : REV A
Current
The latest, up-to-date edition.
Standard Test Method for Evaluation of Automotive Engine Oils for Valve-Train Wear Performance in Cummins ISB Medium-Duty Diesel Engine
Hardcopy , PDF
English
06-11-2023
1.1This test method, commonly referred to as the Cummins ISB Test, covers the utilization of a modern, 5.9 L, diesel engine equipped with exhaust gas recirculation and is used to evaluate oil performance with regard to valve-train wear.
1.2The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.2.1Exceptions—SI units are provided for all parameters except where there is no direct equivalent such as the units for screw threads, National Pipe Threads/diameters, tubing size, or where there is a sole source of supply equipment specification.
1.2.2See also A7.1 for clarification; it does not supersede 1.2 and 1.2.1.
1.3This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. See Annex A1 for general safety precautions.
1.4Table of Contents:
| Section | |
| Scope | 1 |
| Referenced Documents | 2 |
| Terminology | 3 |
| Summary of Test Method | 4 |
| Significance and Use | 5 |
| Apparatus | 6 |
| Engine Fluids and Cleaning Solvents | 7 |
| Preparation of Apparatus | 8 |
| Engine/Stand Calibration and Non-Reference Oil Tests | 9 |
| Test Procedure | 10 |
| Calculations, Ratings, and Test Validity | 11 |
| Report | 12 |
| Precision and Bias | 13 |
| Annexes | |
| Safety Precautions | Annex A1 |
| Intake Air Aftercooler | Annex A2 |
| The Cummins ISB Engine Build Parts Kit | Annex A3 |
| Sensor Locations and Special Hardware | Annex A4 |
| External Oil System | Annex A5 |
| Cummins Service Publications | Annex A6 |
| Specified Units and Formats | Annex A7 |
| Oil Analyses | Annex A8 |
| Alternate Fuel Approval Process | Annex A9 |
1.5This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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