ASTM D 6750 : 2019 : EDT 1
Superseded
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Standard Test Methods for Evaluation of Engine Oils in a High-Speed, Single-Cylinder Diesel Engine—1K Procedure (0.4 % Fuel Sulfur) and 1N Procedure (0.04 % Fuel Sulfur)
Hardcopy , PDF
14-07-2023
English
22-06-2022
Important note : Users cannot be edited or removed once added to your Multi user PDF.| Committee |
D 02
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| DocumentType |
Test Method
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| Pages |
70
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| ProductNote |
ε1NOTE—Editorially updated TMC governance information in June 2022.
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| PublisherName |
American Society for Testing and Materials
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| Status |
Superseded
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| SupersededBy | |
| Supersedes |
1.1These test methods cover the performance of engine oils intended for use in certain diesel engines. They are performed in a standardized high-speed, single-cylinder diesel engine by either the 1K (0.4 % mass fuel sulfur) or 1N (0.04 % mass fuel sulfur) procedure.3 The only difference in the two test methods is the fuel used. Piston and ring groove deposit-forming tendency and oil consumption are measured. Also, the piston, the rings, and the liner are examined for distress and the rings for mobility. These test methods are required to evaluate oils intended to satisfy API service categories CF-4 and CH-4 for 1K, and CG-4 for 1N of Specification D4485.
1.2These test methods, although based on the original Caterpillar 1K/1N procedures,3 also embody TMC information letters issued before these test methods were first published. These test methods are subject to frequent change. Until the next revision of these test methods, TMC will update changes in these test methods by the issuance of information letters which shall be obtained from TMC (see Annex A1 – Annex A4).
1.3The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3.1Exception—Where there is no direct SI equivalent such as screw threads, national pipe threads/diameters, tubing size, or single source equipment specified. Also Brake Specific Fuel Consumption is measured in kilograms per kilowatthour.
1.4The following is the Table of Contents:
| Section | ||
| Introduction | ||
| Scope | 1 | |
| Referenced documents | 2 | |
| Terminology | 3 | |
| Summary of Test Methods | 4 | |
| Significance and Use | 5 | |
| Apparatus | 6 | |
| General Laboratory Requirements | 6.1 | |
| Test Engine | 6.2 | |
| Test Engine Accessories and Parts | 6.3 | |
| Reagents and Materials | 7 | |
| Test Oil Sample Requirements | 8 | |
| Preparation of Apparatus | 9 | |
| Engine Inspection | 9.1 | |
| Engine Pre-Test Lubrication System Flush | 9.2 | |
| Engine Pre-Test Measurements and Inspections | 9.3 | |
| Engine Assembly | 9.4 | |
| Pressure Testing of Fuel System Assembly | 9.5 | |
| Calibration of Engine Test Stand | 10 | |
| General Requirements and Frequency of Calibration | 10.1 | |
| Runs | 10.2 | |
| Specified Test Parameters | 10.3 | |
| Calibration Test Acceptance Criteria | 10.4 | |
| Action on Rejection of Calibration Test | 10.5 | |
| Test Numbering | 10.6 | |
| Reference Oils | 10.7 | |
| Severity Adjustments | 10.8 | |
| Engine Operating Procedure | 11 | |
| Engine Run-In | 11.1 | |
| Cool-Down Procedure | 11.2 | |
| Warm-Up Procedure | 11.3 | |
| Operating Conditions and Oil Additions | 11.4 | |
| Measurement of Oil Consumption | 11.5 | |
| Sampling Used Oil | 11.6 | |
| Shutdowns, Lost Time and Off Tolerance Conditions | 11.7 | |
| Recording of Exhaust Temperature | 11.8 | |
| Air-Fuel Ratio Measurement | 11.9 | |
| Recording of Engine Conditions | 11.10 | |
| Humidity Requirements/Calibration/Measurement | 11.11 | |
| Inspections, Photographs and Measurements | 12 | |
| Reference to Reporting Form | 12.1 | |
| Pre-Test Measurements of Engine Parts | 12.2 | |
| Post-Test Information | 12.3 | |
| Oil Inspections | 12.4 | |
| Report | 13 | |
| General Directions | 13.1 | |
| Electronic Transmission of Test Results (Optional) | 13.12 | |
| Reporting Calibration Test Results | 13.13 | |
| Precision and Bias | 14 | |
| Keywords | 15 | |
| 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 | |
| Specifications for Test Engine and Engine Build | Annex A5 | |
| Intake Air System Details | Annex A6 | |
| Exhaust System Details | Annex A7 | |
| Cooling System Details | Annex A8 | |
| Oil System Modifications and Instrument Locations | Annex A9 | |
| Other Pressure and Temperature Measurement Locations | Annex A10 | |
| Oil Consumption Linear Regression Method | Annex A11 | |
| Test Fuel Specifications | Annex A12 | |
| Lubrication System, Flush Apparatus and Procedure | Annex A13 | |
| Engine Operating Conditions | Annex A14 | |
| Procedure for Rating Piston and Liner | Annex A15 | |
| Calculation of Percent Offset and Percent Deviation | Annex A16 | |
| 1K/1N Test Reporting | Annex A17 | |
| Parts List by Part Number (P/N) and Warranty | Annex A18 | |
| Safety Precautions | Annex A19 | |
| APPENDIXES | ||
| Humidity Data | Appendix X1 | |
| Statistical Equations for Mean and Standard Deviation | Appendix X2 | |
| Examples of Forms for Reporting | Appendix X3 | |
| Optional Recording of Oil Pass Limits | Appendix X4 | |
1.5This 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. Specific precautionary statements appear throughout the text. Being engine tests, these test methods do have definite hazards that shall be met by safe practices (see Annex A19 on Safety Precautions).
1.6This 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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| ASTM D 93 : 2019 | Standard Test Methods for Flash Point by Pensky-Martens Closed Cup Tester |
| ASTM D 445 : 2017 : REV A | Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity) |
| ASTM D 86 : 2019 | Standard Test Method for Distillation of Petroleum Products and Liquid Fuels at Atmospheric Pressure |
| ASTM D 2709 : 2016 | Standard Test Method for Water and Sediment in Middle Distillate Fuels by Centrifuge |
| ASTM D 287 : 2022 | Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer/Method) |
| ASTM D 613 : 2018 : REV A : EDT 1 | Standard Test Method for Cetane Number of Diesel Fuel Oil |
| ASTM D 86 : 2012 | Standard Test Method for Distillation of Petroleum Products at Atmospheric Pressure |
| ASTM D 1796 : 2022 | Standard Test Method for Water and Sediment in Fuel Oils by the Centrifuge Method (Laboratory Procedure) |
| ASTM D 4485 : 2020 | Standard Specification for Performance of Active API Service Category Engine Oils |
| ASTM D 86 : 2020 : REV B | Standard Test Method for Distillation of Petroleum Products and Liquid Fuels at Atmospheric Pressure |
| ASTM D 86 : 2016 : REV A | Standard Test Method for Distillation of Petroleum Products and Liquid Fuels at Atmospheric Pressure |
| ASTM D 445 : 2019 : REV A | Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity) |
| ASTM D 97 : 2017 : REV B | Standard Test Method for Pour Point of Petroleum Products |
| ASTM D 2500 : 2017 : REV A | Standard Test Method for Cloud Point of Petroleum Products and Liquid Fuels |
| ASTM D 287 : 2012 : REV B | Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method) |
| ASTM D 445 : 2019 | Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity) |
| ASTM D 2709 : 2022 | Standard Test Method for Water and Sediment in Middle Distillate Fuels by Centrifuge |
| ASTM D 130 : 2018 | Standard Test Method for Corrosiveness to Copper from Petroleum Products by Copper Strip Test |
| ASTM D 2622 : 2021 | Standard Test Method for Sulfur in Petroleum Products by Wavelength Dispersive X-ray Fluorescence Spectrometry |
| ASTM D 97 : 2017 : REV B : R2022 | Standard Test Method for Pour Point of Petroleum Products |
| ASTM D 664 : 2011 : REV A | Standard Test Method for Acid Number of Petroleum Products by Potentiometric Titration |
| ASTM D 445 : 2021 | Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity) |
| ASTM D 86 : 2020 | Standard Test Method for Distillation of Petroleum Products and Liquid Fuels at Atmospheric Pressure |
| ASTM D 1796 : 2011 : R2016 | Standard Test Method for Water and Sediment in Fuel Oils by the Centrifuge Method (Laboratory Procedure) |
| ASTM D 524 : 2015 | Standard Test Method for Ramsbottom Carbon Residue of Petroleum Products |
| ASTM D 4485 : 2022 | Standard Specification for Performance of Active API Service Category Engine Oils |
| ASTM D 445 : 2018 | Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity) |
| ASTM D 86 : 2015 | Standard Test Method for Distillation of Petroleum Products and Liquid Fuels at Atmospheric Pressure |
| ASTM D 2500 : 2023 | Standard Test Method for Cloud Point of Petroleum Products and Liquid Fuels |
| ASTM D 445 : 2021 : EDT 1 | Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity) |
| ASTM D 86 : 2017 | Standard Test Method for Distillation of Petroleum Products and Liquid Fuels at Atmospheric Pressure |
| ASTM D 1319 : 2019 | Standard Test Method for Hydrocarbon Types in Liquid Petroleum Products by Fluorescent Indicator Adsorption |
| ASTM D 130 : 2012 | Standard Test Method for Corrosiveness to Copper from Petroleum Products by Copper Strip Test |
| ASTM D 4485 : 2022 : EDT 1 | Standard Specification for Performance of Active API Service Category Engine Oils |
| ASTM D 2622 : 2016 | Standard Test Method for Sulfur in Petroleum Products by Wavelength Dispersive X-ray Fluorescence Spectrometry |
| ASTM D 93 : 2018 | Standard Test Methods for Flash Point by Pensky-Martens Closed Cup Tester |
| ASTM D 287 : 2012 : REV B : R2019 | Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method) |
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