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ASTM D7422-14a
Standard Test Method for Evaluation of Diesel Engine Oils in T-12 Exhaust Gas Recirculation Diesel Engine (Includes all amendments And changes 5/27/2015).
Automatische name übersetzung:
Standard Test Method for Evaluation der Dieselmotorenöle in T-12 Abgasrückführung Diesel Engine
NORM herausgegeben am 1.10.2014
Informationen über die Norm:
Bezeichnung normen: ASTM D7422-14a
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.10.2014
SKU: NS-38416
Zahl der Seiten: 38
Gewicht ca.: 114 g (0.25 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Die Annotation des Normtextes ASTM D7422-14a :
Keywords:
cylinder liner wear, diesel engine oil, exhaust gas recirculation, lead, lubricants, oil consumption, oxidation, soot, T-12 Diesel Engine, top ring mass loss, ultra-low sulfur diesel fuel, 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 evaluate the wear performance of engine oils in turbocharged and intercooled four-cycle diesel engines equipped with EGR and running on ultra-low sulfur diesel fuel. Obtain results from used oil analysis and component measurements before and after test. 5.2 The test method may be used for engine oil specification acceptance when all details of the procedure are followed. |
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| 1. Scope | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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1.1 This test method covers an engine test procedure for evaluating diesel engine oils for performance characteristics, including lead corrosion and wear of piston rings and cylinder liners in an engine equipped with exhaust gas recirculation and running on ultra-low sulfur diesel fuel.1.1.1 This test method also provides the procedure for running an abbreviated length test, which is commonly referred to as the T-12A. The procedures for the T-12 and T-12A are identical with the exception of the items specifically listed in Annex A9. Additionally, the procedure modifications listed in Annex A9 refer to the corresponding section of the T-12 procedure. 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 Exception—Where there is no direct SI equivalent, such as the units for screw threads, National Pipe Threads/diameters, tubing size, and single source supply equipment specifications. 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 A6 for specific safety precautions. |
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| 2. Referenced Documents | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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