ASTM-D6593 2002

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D6593-02 Standard Test Method for Evaluation of Automotive Engine Oils for Inhibition of Deposit Formation in a Spark-Ignition Internal Combustion Engine Fueled with Gasoline and Operated Under Low-Temperature, Light-Duty Conditions

Published By	Publication Date	Number of Pages
ASTM	2002	72

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Category: ASTM

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Description

1.1 This test method is commonly referred to as the Sequence VG test and has been correlated with vehicles used in stop-and-go service prior to 1996, particularly with regard to sludge and varnish formation. It is one of the test methods required to evaluate oils intended to satisfy the API SL performance category.

1.2 The values stated in SI units are to be regarded as 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. Specific hazard statements are given in 7.7, 7.10.2.2, 8.3.4.2, 8.4.4.3, 9.2.6, 9.3.4.5, 9.6.1.2, 12.1.1.7, 12.2.1.4, and Annex A1.

1.4 A Table of Contents follows:

Additional information

Final Report Forms	Annex A7
Pre-Test Procedure	12.1
Humidity	9.7
Apparatus-The Test Engine	7
Fuel Injector Flow Measurements	Annex A12
Sticking	13.5
Solvents and Cleaners Required	7.7
Suggested Engine Measurement Sheets	Appendix X1
Precision and Bias	16
Oil Sampling, Addition and Leveling Record	Annex A10
Special Maintenance Procedures	12.4
SAE Standards	2.2
Fuel Consumption Rate	14.6
Flow Rates	9.3
Interpretation of Test Results	13
Periodic Measurements and Functions	12.3
Detailed Specifications and Photographs of Apparatus	Annex A3
Keywords	17
Engine Parts Number Listing	Annex A5
Assembling the Test Engine-Preparations	7.8
Blowby Flow Rate	14.4
Final Test Report	15
Special Service Tools for the Test Engine	Annex A4
Test Procedure	12
Photographs	15.2
Measurement Instrumentation	9
Scope	1
Report Forms	15.1
Average Exhaust Gas NO x Levels	14.2
Special Engine Measurement and Assembly Equipment	7.5
Assessment of Test Validity	14
Manifold Absolute Pressure	14.5
Clogging	13.4
Pressures	9.2
Definitions	3.1
ASTM Standards	2.1
Sources of Materials and Information	Appendix X2
Description of Scott Quarterly Gas Audit Service	Appendix X3
Used Oil Analyses	13.6
Terminology	3
Engine Fluids-Supply/Discharge Systems	8
End of Test Procedure	12.6
Sludge Ratings	13.2
Control and Data Acquisition Requirements	Annex A2
Engine Installation on the Test Stand	7.10
External Oil Heat Exchanger Cleaning Technique	Annex A6
Summary of Test Method	4
Diagnostic Data Review	12.5
Safety Precautions	Annex A1
Varnish Ratings	13.3
Sequence VG Test Engine	7.1
Fuel Consumption	9.4
Oil Consumption	14.7
Reusable Engine Parts	7.3
Intake Air	8.1
Definitions of Terms Specific to This Standard	3.2
Typical 4.6L Dipstick Calibration	Annex A8
Fuel and Fuel System	8.2
	Section
Parts Rating Area-Environment	13.1
Speed and Load	9.5
Test Stand Calibration	11
Coolants	8.4
Quality Index and Deviation Percentage	14.9
Required New Engine Parts	7.2
Exhaust Gas	9.6
ANSI Standard	2.3
General	14.1
Specially Fabricated Engine Parts	7.4
Miscellaneous Engine Components-Preparation	7.6
Significance and Use	5
Referenced Documents	2
Miscellaneous Laboratory Equipment	10
Engine Parts Replacement	14.8
Temperatures	9.1
Critical Part Supplier List	Annex A9
Used Oil Analyses-Interpretation	14.3
Apparatus-General Description	6
Engine Oil and Engine Oil System	8.3
Rating Worksheets	Annex A11
Assembling the Test Engine-Installations	7.9
Engine Operating Procedure	12.2

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ASTM-D6593 2002

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