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ASTM International , 04/01/2022
Publisher: ASTM
File Format: PDF
$30.00$60.00
1.1''This engine lubricant test method is commonly referred to as the Roller Follower Wear Test. Its primary result, roller follower shaft wear in the hydraulic valve lifter assembly, has been correlated with vehicles used in stop-and-go delivery service prior to 1993. It is one of the test methods required to evaluate lubricants intended to satisfy the API CG-4 performance category. This test has also been referred to as the 6.2 L Test.
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, thermocouple diameters, and NPT screw threads. Also, roller follower wear is measured in mils.
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4''Table of Contents:
''
Section
Scope
1
Referenced Documents
2
Terminology
3
Summary of Test Method
4
Significance and Use
5
Reagents
7
'''Guidelines on Substitution
7.1
Apparatus
6
Preparation of Apparatus
8
'''New Engine Preparation
8.1
'''Installation of Auxiliary Systems and '''Miscellaneous Components
8.2
Test Procedure
9
'''Description of Test Segments and Organization '''of Test Procedure Sections
9.1
'''Engine Parts Replacement
9.2
'''Engine Starting Procedure
9.3
'''Normal Engine Shutdown Procedure
9.4
'''Emergency Shutdown Procedure
9.5
'''Unscheduled Shutdown and Downtime
9.6
'''New Engine Break-In
9.7
'''Pretest Procedure
9.8
'''Fifty-Hour Steady State Test
9.9
'''Periodic Measurements
9.10
'''Oil Sampling and Oil Addition Procedures
9.11
'''End of Test (EOT) Procedure
9.12
Calculation and Interpretation of Test Results
10
'''Environment of Parts Measurement Area
10.1
'''Roller Follower Shaft Wear Measurements
10.2
'''Oil Analysis
10.3
'''Assessment of Test Validity
10.4
Final Test Report
11
'''Reporting Calibration Test Results
11.1
'''Report Forms
11.2
'''Interim Non-Valid Calibration Test Summary
11.3
'''Severity Adjustments
11.4
Precision and Bias
12
'''Precision
12.1
'''Precision Estimate
12.2
'''Bias
12.3
Keywords
13
ANNEXES
Guidelines for Test Part Substitution or Modification
Annex A1
Guidelines for Units and Specification Formats
Annex A2
Detailed Specifications of Apparatus
Annex A3
Calibration
Annex A4
Final Report Forms
Annex A5
Illustrations
Annex A6
Kinematic Viscosity at 100''C Procedure for the '''Roller Follower Wear Test
Annex A7
Enhanced Thermal Gravimetric Analysis (TGA) '''Procedure for Soot Measurement
Annex A8
Sources of Materials and Information
Annex A9
APPENDIXES
PC-9 Reference Diesel Fuel Properties
Appendix X1
Diagnostic Data Review
Appendix X2
1.5''This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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