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Standard Test Method for Evaluation of Automotive Engine Oils for Valve-Train Wear Performance in Cummins ISB Medium-Duty Diesel Engine
1.1 This 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.
1.2 The values stated in either SI units, inch-pound units, or other units are to be regarded separately as the primary units.
1.2.1 For each parameter, the primary units are shown first. Secondary units may be shown in parentheses, for information purposes only. These secondary units may or may not be exact equivalents to the primary units.
1.2.2 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, and tubing size.
1.2.3 See also A8.1 for clarification; it does not supersede 1.2.1 and 1.2.2.
1.3 This 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 and health practices and determine the applicability of regulatory limitations prior to use. See Annex A1 for general safety precautions.
1.4 Table 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 | 13 |
| Precision and Bias | 14 |
| 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 |
| Fuel Specification | Annex A6 |
| Cummins Service Publications | Annex A7 |
| Specified Units and Formats | Annex A8 |
| Oil Analyses | Annex A9 |
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