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ASTM D7484-21b
Standard Test Method for Evaluation of Automotive Engine Oils for Valve-Train Wear Performance in Cummins ISB Medium-Duty Diesel Engine (Includes all amendments And changes 3/17/2023).
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NORM herausgegeben am 1.10.2021
Informationen über die Norm:
Bezeichnung normen: ASTM D7484-21b
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.10.2021
SKU: NS-1039236
Zahl der Seiten: 29
Gewicht ca.: 87 g (0.19 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Kategorie - ähnliche Normen:
Die Annotation des Normtextes ASTM D7484-21b :
Keywords:
diesel engine oil, heavy-duty engine oil, ISB medium-duty diesel engine, lubricants, valve-train wear,, ICS Number Code 75.160.20 (Liquid fuels)
Ergänzende Informationen
| Significance and Use | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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. 5.2?The design of the engine used in this test method is representative of many, but not all, modern diesel engines. This factor, along with the accelerated operating conditions, shall be considered when extrapolating test results. |
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| 1. Scope | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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?ExceptionsSI 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. 1.4?Table of Contents:?
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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| 2. Referenced Documents | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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