ASTM-D6709 2007

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D6709-07 Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence VIII Spark-Ignition Engine (CLR Oil Test Engine)

Published By	Publication Date	Number of Pages
ASTM	2007	39

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Category: ASTM

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Description

ASTM D6709-07

Historical Standard: Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence VIII Spark-Ignition Engine (CLR Oil Test Engine)

ASTM D6709

Scope

1.1 This test method covers the evaluation of automotive engine oils (SAE grades 5W, 10W, 20, 30, 40, and 50, and multiviscosity grades) intended for use in spark-ignition gasoline engines. The test procedure is conducted using a carbureted, spark-ignition Cooperative Lubrication Research (CLR) Oil Test Engine (also referred to as the Sequence VIII test engine in this test method) run on unleaded fuel. An oil is evaluated for its ability to protect the engine and the oil from deterioration under high-temperature and severe service conditions. The test method can also be used to evaluate the viscosity stability of multiviscosity-graded oils. Companion test methods used to evaluate engine oil performance for specification requirements are discussed in the latest revision of Specification D 4485.

1.2 Correlation of test results with those obtained in automotive service has not been established. Furthermore, the results obtained in this test are not necessarily indicative of results that will be obtained in a full-scale automotive spark-ignition or compression-ignition engine, or in an engine operated under conditions different from those of the test. The test can be used to compare one oil with another.

1.3 The values stated in SI units are to be regarded as standard, except for (1) volume which is given in the metric, but non-SI, litre, (2) certain tube measurements which are given in inch-pound units, (3) cylinder bore and stroke in both SI and inch-pound units (the inch-pound being the standard) and (4) piston displacement given in metric (non-SI) and inch-pound units (the inch-pound being the standard). In respect to (3) and (4) the inch-pound units are shown first and the SI units in parentheses.

1.4 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 precautionary statements are provided throughout this test method.

Keywords

bearing weight loss; CLR oil test engine; copper-lead bearings; engine oil; oil consumption; Sequence VIII test; shear stability; Automotive engine fuels/oils; Bearing weight loss; CLR (Cooperative Lubrication Research) test engine; Copper-lead bearings; Oil consumption; Sequence VIII test; Shear stability

ICS Code

ICS Number Code 75.100 (Lubricants, industrial oils and related products)

DOI: 10.1520/D6709-07

PDF Catalog

PDF Pages	PDF Title
1	Scope
2	Referenced Documents
3	Terminology
4	Summary of Test Method Significance and Use Apparatus TABLE 1
5	FIG. 1 TABLE 2 FIG. 2
6	FIG. 3
7	FIG. 4
8	FIG. 5 FIG. 6
9	FIG. 7
10	FIG. 8 FIG. 9
11	Reagents and Materials Test Oil Sample Requirements Preparation of Apparatus
13	Calibration
14	Engine Operating Procedure
15	TABLE 3
16	Determination of Test Results Report
17	Precision and Bias Use of ASTM Rounding Keywords A1. MEASUREMENT OF CONNECTING ROD BEARING CLEARANCE AND JOURNAL TAPER A1.1 A1.2 A1.3 A1.4 A1.5 A1.6 A1.7 A1.8 TABLE 4
18	A1.9 A2. MEASUREMENT OF MAIN BEARING CLEARANCE A2.1 A2.2 A2.3 A2.4 A2.5 A2.6 A2.7 A2.8 A2.9 FIG. A1.1 TABLE A1.1 TABLE A1.2
19	A3. THE ASTM TEST MONITORING CENTER CALIBRATION PROGRAM A3.1 A3.2 A3.3 TABLE A2.1 FIG. A2.1
20	A3.4 A4. MEASUREMENT OF PISTON-TO-SLEEVE CLEARANCE A4.1 A4.2 A4.3 A4.4 A4.5 A4.6 A4.7 A4.8 A4.9 A4.10 A4.11 A4.12
21	FIG. A4.1 TABLE A4.1
22	A5. CONTROL CHART TECHNIQUE FOR A LABORATORY’S SEVERITY ADJUSTMENT (SA) A5.1 A6. NEW LINER HONING PROCEDURE A6.1 A6.2 A6.3 A6.4 A6.5 A6.6 A6.7 A6.8 FIG. A4.2
23	FIG. A6.1 FIG. A6.2
24	A7. SEQUENCE VIII OIL PRIMING PROCEDURE A7.1 A7.2 A7.3 A7.4 A7.5 A7.6 A8. ALTERNATIVE CRANKCASE BREATHER CONFIGURATION A8.1 TABLE A6.1
25	A9. CONNECTING ROD BEARING CLEANING PROCEDURE A9.1 A9.2 A9.3 FIG. A8.1
26	A9.4 A9.5 A9.6 A9.7 A9.8 A9.9 A9.10 A9.11 A9.12 A9.13 A10. SEQUENCE VIII ELECTRONIC IGNITION CONVERSION PROCEDURE A10.1 A10.2 A10.3 A10.4 A10.5 A10.6 A10.7 A10.8 A10.9 A10.10 A10.11 A10.12 A10.13
27	FIG. A10.1 FIG. A10.2
28	FIG. A10.3 FIG. A10.4
29	FIG. A10.5 FIG. A10.6
30	FIG. A10.7
31	FIG. A10.8 FIG. A10.9
32	A11. SYSTEM RESPONSE PROCEDURE A11.1 A11.2 A11.3 FIG. A10.10
33	A11.4 Speed A11.5 A12. AIR-FUEL RATIO MEASUREMENT A12.1 A13. LEAD DECONTAMINATION PARTS/PROCEDURE A13.1 A13.2 TABLE A12.1
34	A13.3 A14. STAY-IN-GRADE OIL ANALYSIS PROCEDURE A14.1 A15. CRANKSHAFT REAR SEAL CONDITIONING PROCEDURE A15.1 A16. REPORT FORMS AND DATA DICTIONARY A16.1
35	A17. TEST FUEL SPECIFICATION A17.1 X1. ROLE OF THE ASTM TEST MONITORING CENTER AND THE CALIBRATION PROGRAM X1.1 X1.2 TABLE A17.1
36	X1.3 X2. SUGGESTED METHOD FOR SALVAGING CAMSHAFT BEARING JOURNALS X2.1 X3. DATA LOG SHEETS X3.1
37	FIG. X3.1
38	FIG. X3.2

Additional information

Standard Title	D6709-07 Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence VIII Spark-Ignition Engine (CLR Oil Test Engine)
Published Code	ASTM
Publication Date	2007
Pages Count	39