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ASTM D7468-10a
Standard Test Method for Cummins ISM Test (Includes all amendments And changes 12/31/2010).
Automatische name übersetzung:
Standard Test Method for Cummins ISM -Test
NORM herausgegeben am 1.7.2010
Informationen über die Norm:
Bezeichnung normen: ASTM D7468-10a
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.7.2010
SKU: NS-38532
Zahl der Seiten: 34
Gewicht ca.: 102 g (0.22 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Die Annotation des Normtextes ASTM D7468-10a :
Keywords:
crosshead wear, Cummins ISM, de-rate protocols, diesel engine oil, exhaust gas recirculation, lubricants, oil filter delta pressure, sludge, top ring mass loss, valve train, Lubricants, Crosshead, Diesel engine fuel oils, EGR (exhaust gas recirculation) test, Oil filter plugging, Sludge, Top ring weight loss, Valve train wear, ICS Number Code 27.020 (Internal combustion engines), 75.100 (Lubricants, industrial oils and related products)
Ergänzende Informationen
| Significance and Use | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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This test method was developed to assess the performance of an engine oil to control engine wear and deposits under heavy-duty operating conditions selected to accelerate soot generation, valve train wear, and deposit formation in a turbocharged, aftercooled four-stroke-cycle diesel engine equipped with exhaust gas recirculation hardware. This test method may be used for engine oil specification acceptance when all details of this test method are in compliance. Applicable engine oil service categories are included in Specification D4485. 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 needs to be considered when extrapolating test results. |
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| 1. Scope | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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1.1 The test method covers a heavy-duty diesel engine test procedure conducted under high soot conditions to evaluate oil performance with regard to valve train wear, top ring wear, sludge deposits, and oil filter plugging in an EGR environment. This test method is commonly referred to as the Cummins ISM Test. 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—The only exception is where there is no direct SI equivalent such as screw threads, national pipe threads/diameters, tubing sizes, or where there is a sole source of supply equipment specification. 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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| 2. Referenced Documents | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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