Significance and Use
5.1 This test method was developed to assess the performance of a heavy-duty engine oil in controlling engine wear under operating conditions selected to accelerate soot production and valve-train wear in a turbocharged and aftercooled four-cycle diesel engine with sliding tappet followers equipped with exhaust gas recirculation hardware.
Scope
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.
1.3 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.
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| Section |
| Scope | |
| Referenced Documents | |
| Terminology | |
| Summary of Test Method | |
| Significance and Use | |
| Apparatus | |
| Engine Fluids and Cleaning Solvents | |
| Preparation of Apparatus | |
| Engine/Stand Calibration and Non-Reference Oil Tests | |
| Test Procedure | |
| Calculations, Ratings, and Test Validity | |
| Report | |
| Precision and Bias | |
| Annexes |
|
| Safety Precautions | |
| Intake Air Aftercooler | |
| The Cummins ISB Engine Build Parts Kit | |
| Sensor Locations and Special Hardware | |
| External Oil System | |
| Fuel Specification | |
| Cummins Service Publications | |
| Specified Units and Formats | |
| Oil Analyses |
