ASTM-D6709 2011

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D6709-11 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	2011	39

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Category: ASTM

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Description

1.1 This test method covers the evaluation of automotive engine oils (SAE grades 0W, 5W, 10W, 20, 30, 40, and 50, and multi-viscosity 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 multi-viscosity-graded oils. Companion test methods used to evaluate engine oil performance for specification requirements are discussed in the latest revision of Specification D4485 .

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. No other units of measurement are included in this standard.

1.3.1 Exceptions The values stated in inch-pounds for certain tube measurements, screw thread specifications, and sole source supply equipment are to be regarded as standard.

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PDF Pages	PDF Title
1	Scope
2	Referenced Documents
3	Terminology TABLE 1
4	Summary of Test Method FIG. 1
5	Significance and Use Apparatus TABLE 2 FIG. 2
6	FIG. 3
7	FIG. 4
8	FIG. 5
9	FIG. 6 FIG. 7 FIG. 8
10	Reagents and Materials
11	Test Oil Sample Requirements Preparation of Apparatus
13	Calibration
14	Engine Operating Procedure TABLE 3
16	Determination of Test Results Report Precision and Bias Use of ASTM Rounding Keywords TABLE 4
17	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 A1.9 FIG. A1.1 TABLE A1.1
18	A2. MEASUREMENT OF MAIN BEARING CLEARANCE A2.1 A2.2 A2.3 A2.4 A2.5 A2.6 A2.7 A2.8 A2.9 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
24	A7. SEQUENCE VIII OIL PRIMING PROCEDURE A7.1 A7.2 A7.3 A7.4 A7.5 A7.6 FIG. A6.2 TABLE A6.1
25	A8. ALTERNATIVE CRANKCASE BREATHER CONFIGURATION A8.1 FIG. A8.1
26	A9. CONNECTING ROD BEARING CLEANING PROCEDURE A9.1 A9.2 A9.3 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
27	A10.11 A10.12 A10.13 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	D6709-11 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	2011
Pages Count	39

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