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D 7484 : 21b
Standard Test Method for Evaluation of Automotive Engine Oils for Valve-Train Wear Performance in Cummins ISB Medium-Duty Diesel Engine

Standard Test Method for Evaluation of Automotive Engine Oils for Valve-Train Wear Performance in Cummins ISB Medium-Duty Diesel Engine

Document No. D 7484 Document Year 21b
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This document is published by ASTM International (ASTM)

Standard Details

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 SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.2.1 Exceptions—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.

1.2.2 See also A7.1 for clarification; it does not supersede 1.2 and 1.2.1.

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, health, and environmental 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

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

1.5 This 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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