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ASTM-D6891:2009 Edition

ASTM-D6891:2009 Edition

$63.38

D6891-09a Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IVA Spark-Ignition Engine

Published By Publication Date Number of Pages
ASTM 2009 42
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1.1 This test method measures the ability of crankcase oil to control camshaft lobe wear for spark-ignition engines equipped with an overhead valve-train and sliding cam followers. This test method is designed to simulate extended engine idling vehicle operation. The Sequence IVA Test Method uses a Nissan KA24E engine. The primary result is camshaft lobe wear (measured at seven locations around each of the twelve lobes). Secondary results include cam lobe nose wear and measurement of iron wear metal concentration in the used engine oil. Other determinations such as fuel dilution of crankcase oil, non-ferrous wear metal concentrations, and total oil consumption, can be useful in the assessment of the validity of the test results.

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 Exceptions Where there is no direct SI equivalent such as pipe fittings, tubing, NPT screw threads/diameters, or single source equipment specified.

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 A5 for specific safety precautions.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
2 Terminology
Summary of Test Method
3 Significance and Use
Apparatus
4 FIG. 1
TABLE 1
5 TABLE 2
TABLE 3
7 TABLE 4
8 FIG. 2
FIG. 3
9 FIG. 4
10 FIG. 5
FIG. 6
FIG. 7
11 FIG. 8
12 Reagents and Materials
TABLE 5
13 FIG. 9
14 Oil Blend Sampling Requirements
Preparation of Apparatus
TABLE 6
15 TABLE 7
16 FIG. 10
TABLE 8
18 Data Acquisition, Reference Oil Application, and Equipment Calibration and Maintenance
20 Procedure
25 Calculation or Interpretation of Results
26 Test Report
Precision and Bias
TABLE 9
27 Keywords
A1. OPERATIONAL CONDITIONS
A1.1
TABLE A1.1
TABLE A1.2
TABLE A1.3
28 A2. PARTS LIST
A2.1
TABLE A1.4
TABLE A2.1
29 A3. FIGURES AND DRAWINGS
A3.1
A3.2 Figure and Drawing Descriptions
FIG. A3.1
30 FIG. A3.2
FIG. A3.3
31 FIG. A3.4
32 FIG. A3.5
33 FIG. A3.6
FIG. A3.7
34 FIG. A3.8
FIG. A3.9
35 FIG. A3.10
FIG. A3.11
36 FIG. A3.12
FIG. A3.13
37 FIG. A3.14
FIG. A3.15
38 FIG. A3.16
39 A4. FUELS SPECIFICATION INFORMATION
A4.1
FIG. A3.17
40 A5. SAFETY PRECAUTIONS
A5.1 General Information
FIG. A4.1
41 A6. THE ROLE OF THE ASTM TEST MONITORING CENTER AND THE CALIBRATION PROGRAM
A6.1 Nature and Functions of the ASTM Test Monitoring Center (TMC)
A6.2 Rules of Operation of the TMC
A6.3 Management of the TMC
A6.4 Operating Income of the TMC
A6.5 Conducting a Reference Oil Test
A6.6 New Laboratories
A6.7 Introducing New Sequence IVA Reference Oils
A6.8 TMC Information Letters
42 A6.9 TMC Memoranda
A6.10 Precision Data

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