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ASTM D 6593 : 2016

NA

NA

Status of Standard is Unknown

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

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-04-2016

$204.61
Including GST where applicable

Committee
D 02
DocumentType
Test Method
Pages
76
PublisherName
American Society for Testing and Materials
Status
NA
SupersededBy
Supersedes

1.1This test method covers and is commonly referred to as the Sequence VG test,2 and it has been correlated with vehicles used in stop-and-go service prior to 1996, particularly with regard to sludge and varnish formation.3 It is one of the test methods required to evaluate oils intended to satisfy the API SL performance category.

1.2The values stated in SI units are to be regarded as the standard. No other units of measurement are included in this standard.

1.2.1Exception—Where there is no direct SI equivalent such as screw threads, national pipe threads/diameters, tubing size, or specified single source equipment.

1.3This 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, 12.1.1.7, 12.2.1.4, and Annex A5.

1.4A Table of Contents follows:

Section

Scope

1

Referenced Documents

2

Terminology

3

Summary of Test Method

4

Significance and Use

5

Apparatus (General Description)

6

Apparatus (The Test Engine)

7

Sequence VG Test Engine

7.1

Required New Engine Parts

7.2

Reusable Engine Parts

7.3

Specially Fabricated Engine Parts

7.4

Special Engine Measurement and Assembly Equipment

7.5

Miscellaneous Engine Components-Preparation

7.6

Solvents and Cleaners Required

7.7

Assembling the Test Engine-Preparations

7.8

Assembling the Test Engine-Installations

7.9

Engine Installation on the Test Stand

7.10

Engine Fluids (Supply/Discharge Systems)

8

Intake Air

8.1

Fuel and Fuel System

8.2

Engine Oil and Engine Oil System

8.3

Coolants

8.4

Measurement Instrumentation

9

Temperatures

9.1

Pressures

9.2

Flow Rates

9.3

Fuel Consumption

9.4

Speed and Load

9.5

Exhaust Gas

9.6

Humidity

9.7

Miscellaneous Laboratory Equipment

10

Test Stand Calibration

11

Test Procedure

12

Pre-Test Procedure

12.1

Engine Operating Procedure

12.2

Periodic Measurements and Functions

12.3

Special Maintenance Procedures

12.4

Diagnostic Data Review

12.5

End of Test Procedure

12.6

Interpretation of Test Results

13

Parts Rating Area-Environment

13.1

Sludge Ratings

13.2

Varnish Ratings

13.3

Clogging

13.4

Sticking

13.5

Used Oil Analyses

13.6

Assessment of Test Validity

14

General

14.1

Used Oil Analyses-Interpretation

14.2

Blowby Flow Rate

14.3

Manifold Absolute Pressure

14.4

Fuel Consumption Rate

14.5

Oil Consumption

14.6

Engine Parts Replacement

14.7

Quality Index and Deviation Percentage

14.8

Final Test Report

15

Report Forms

15.1

Precision and Bias

16

Keywords

17

ANNEXES

ASTM Test Monitoring Center Organization

Annex A1

ASTM Test Monitoring Center: Calibration Procedures

Annex A2

ASTM Test Monitoring Center: Maintenance Activities

Annex A3

ASTM Test Monitoring Center: Related Information

Annex A4

Safety Precautions

Annex A5

Control and Data Acquisition Requirements

Annex A6

Detailed Specifications and Photographs of Apparatus

Annex A7

Special Service Tools for the Test Engine

Annex A8

Test Engine Part Number Listing

Annex A9

External Oil Heat Exchanger Cleaning Technique

Annex A10

Sequence VG Report Forms and Data Dictionary

Annex A11

Dipstick Calibration

Annex A12

Critical Part Supplier List

Annex A13

Operational Data Log-Engine Oil

Annex A14

Rating Worksheets

Annex A15

Fuel Injector Flow Measurements

Annex A16

APPENDIXES

Piston and Ring Measurements Record Forms

Appendix X1

Sources of Materials and Information

Appendix X2

Description of Scott Quarterly Gas Audit Service

Appendix X3

ASTM D 7320 : 2018 Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine
ASTM D 4485 : 2018 : REV A Standard Specification for Performance of Active API Service Category Engine Oils
ASTM D 6984 : 2018 Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIF, Spark-Ignition Engine
ASTM D 6681 : 2017 Standard Test Method for Evaluation of Engine Oils in a High Speed, Single-Cylinder Diesel Engine—Caterpillar 1P Test Procedure
ASTM D 4863 : 2013 Standard Test Method for Determination of Lubricity of Two-Stroke-Cycle Gasoline Engine Lubricants (Withdrawn 2022)

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