ASTM-D6750 2010

$67.71

D6750-10b 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)

Published By	Publication Date	Number of Pages
ASTM	2010	67

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Category: ASTM

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Description

ASTM D6750-10b

Historical Standard: 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)

ASTM D6750

Scope

1.1 These 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. 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.

1.2 These test methods, although based on the original Caterpillar 1K/1N procedures, 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 A15).

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 Exception—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.

1.4 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 appear throughout the text. Being engine tests, these test methods do have definite hazards that shall be met by safe practices (see Annex A16 on Safety Precautions).

Keywords

deposits; engine oil; engine wear; 1K test; 1N test; piston-ring-liner scuffing; piston ring sticking; top land heavy carbon; ASTM Test Monitoring Center (TMC²); Automotive engine fuels/oils; Calibration–petroleum analysis instrumentation; Diesel engines; Fuel sulfur; Performance–petroleum products/applications; Piston-ring-liner scuffing/sticking; Piston rings

ICS Code

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

DOI: 10.1520/D6750-10B

PDF Catalog

PDF Pages	PDF Title
1	Scope
2	Referenced Documents
3	Terminology
4	Summary of Test Method Significance and Use Apparatus
7	Reagents and Materials
8	Test Oil Sample Requirements Preparation of Apparatus
11	Calibration of Engine Test Stand
12	TABLE 1
13	Engine Operating Procedure
15	Engine and Parts Inspections, Photographs and Measurements
16	Report Precision and Bias TABLE 2
17	Keywords A1. SPECIFICATIONS FOR TEST ENGINE AND ENGINE BUILD A1.1 A1.2 Procedure for Honing Valve Guides TABLE 3 TABLE 4
18	A1.3 Piston Specifications A1.4 Details of Cylinder Liner A1.5 Cylinder Head Torquing Procedure FIG. A1.1
19	A1.6 Fuel Flow Timing Dimension Check (Bubble Method) FIG. A1.2 FIG. A1.3
20	FIG. A1.4 FIG. A1.5
21	A1.7 1Y615 Cooling Jet I.D. Verification and Alignment A1.8 Fuel Pump Plunger Erosion FIG. A1.6
22	FIG. A1.7
23	FIG. A1.8 FIG. A1.9
24	FIG. A1.10 FIG. A1.11
25	A2. INTAKE AIR SYSTEM DETAILS A2.1 A2.2 1Y38 Surge Chamber and Heater Assembly A2.3 FIG. A2.1
26	FIG. A2.2
27	TABLE A2.1
28	A3. EXHAUST SYSTEM DETAILS A3.1 FIG. A2.3 FIG. A2.4
29	FIG. A3.1 FIG. A3.2
30	FIG. A3.3 FIG. A3.4 FIG. A3.5
31	A4. COOLING SYSTEM DETAILS A4.1 FIG. A4.1 FIG. A4.2
32	FIG. A4.3 FIG. A4.4
33	A5. OIL SYSTEM MODIFICATIONS AND INSTRUMENT LOCATIONS A5.1 FIG. A5.1
34	FIG. A5.2 FIG. A5.3
35	FIG. A5.4
36	FIG. A5.5 FIG. A5.6
37	FIG. A5.7
38	A6. OTHER PRESSURE AND TEMPERATURE MEASUREMENT LOCATIONS A6.1 FIG. A5.8
39	FIG. A6.1 FIG. A6.2
40	A7. OIL CONSUMPTION LINEAR REGRESSION METHOD A7.1 A7.2 Methods of Computation of Oil Consumption Using Linear Regression FIG. A7.1
41	A8. TEST FUEL SPECIFICATIONS A8.1 FIG. A7.2 TABLE A8.1
42	A9. LUBRICATION SYSTEM, FLUSH APPARATUS, AND PROCEDURE A9.1 TABLE A8.2 TABLE A8.3
43	FIG. A9.1
44	FIG. A9.2
45	FIG. A9.3 FIG. A9.4 FIG. A9.5
46	FIG. A9.6 FIG. A9.7
47	FIG. A9.8 FIG. A9.9
48	FIG. A9.10 FIG. A9.11
49	A10. ENGINE OPERATING CONDITIONS A10.1 FIG. A9.12 TABLE A10.1
50	A11. PROCEDURE FOR RATING PISTON AND LINER A11.1 Manual for Rating Piston and Liner A11.2 A11.3 Procedure for Rating Liner TABLE A10.2
51	A11.4 Bore Polishing Grid A11.5 Rating Lamp FIG. A11.1 FIG. A11.2 FIG. A11.3
52	A11.6 Rating Booth A12. CALCULATION OF PERCENT OFFSET AND PERCENT DEVIATION A12.1 A12.2 Instructions for Calculation of Percent Out/Percent Off FIG. A11.4
53	A12.3 Allowable Limits for Percent Out and Percent Off TABLE A12.1
54	TABLE A12.2 TABLE A12.3
55	A13. 1K/1N TEST REPORTING A13.1 TABLE A12.4 TABLE A12.5
56	A14. TEST ENGINE/PARTS/ACCESSORIES A14.1 A14.2 Engine Parts Warranty
57	TABLE A14.1
58	A15. THE ROLE OF THE ASTM TEST MONITORING CENTER AND THE CALIBRATION PROGRAM A15.1 Nature and Functions of the ASTM Test Monitoring Center (TMC) A15.2 Rules of Operation of the ASTM TMC A15.3 Management of the ASTM TMC A15.4 Operating Income of the ASTM TMC A15.5 Conducting a Reference Oil Test FIG. A14.1
59	A15.6 New Laboratories A15.7 Introducing New 1K/1N Test Procedures Reference Oils A15.8 TMC Information Letters A15.9 TMC Memoranda A15.10 Precision Data A16. SAFETY PRECAUTIONS A16.1 General Considerations
60	A16.2 Personnel in the Work Area A16.3 Guards and Barriers A16.4 Fuel and Oil Lines, and Electrical Wiring A16.5 Housekeeping A16.6 Toxic Fume and Fire Hazards A16.7 First Aid A16.8 Automatic Shutdown, Remote Cut-off and Interlocks A16.9 Fire Protection Equipment X1. HUMIDITY DATA X1.1 Humidify Correction Factors for Non-Standard Baro-metric Conditions X1.2 Correcting Humidity by Applying the Perfect Gas Law Equation–With Examples X1.3 Saturation Vapor Pressure Over Water
61	TABLE X1.1 TABLE X1.2 TABLE X1.3
62	X2. STATISTICAL EQUATIONS FOR MEAN AND STANDARD DEVIATION X2.1 X3. EXAMPLES OF FORMS FOR REPORTING X3.1 Examples of Reporting Test Results X3.2 TABLE X1.4 TABLE X1.5
63	FIG. X3.1
64	FIG. X3.2
65	FIG. X3.3
66	FIG. X3.4
67	X4. OPTIONAL RECORDING OF RELEVANT CANDIDATE OIL PASS LIMIT INFORMATION X4.1 FIG. X3.5

Additional information

Standard Title	D6750-10b 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)
Published Code	ASTM
Publication Date	2010
Pages Count	67