ASTM-D5119:2000 Edition

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D5119-00 Standard Test Method for Evaluation of Automotive Engine Oils in the CRC L-38 Spark-Ignition Engine

Published By	Publication Date	Number of Pages
ASTM	2000	56

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Description

ASTM D5119-00

Historical Standard: Standard Test Method for Evaluation of Automotive Engine Oils in the CRC L-38 Spark-Ignition Engine

ASTM D5119

Scope

1.1 This engine oil test method covers the evaluation of automotive engine oils (SAE grades 5W 10W, 20, 30, 40, and 50, and multiviscosity grades) intended for use in either spark-ignition gasoline engines, or in diesel engines. The test procedure is conducted using a carbureted, spark-ignition Cooperative Lubrication Research (CLR) Oil Test Engine (referred to as the L-38 engine in this test method). An oil is evaluated for protection against engine and oil deterioration under high-temperature, heavy-duty service conditions. The test method can also be used to evaluate the viscosity stability of multiviscosity-graded oils.

1.2 The two measures of engine deterioration used in this test method are (1) weight loss of copper-lead bearings used in the test power section, and (2) varnish and sludge deposits on power section parts.

1.3 The two measures of oil deterioration used in this test method are (1) the change in the acid number of the oil, and (2) the change in the viscosity of the oil during the test period.

1.4 Correlation of test results with those obtained in automotive service has not been established. Furthermore, the results obtained in this test method 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 method. The test can be used to compare one oil with another.

Note 1–Companion test methods used to evaluate engine oil performance for specification requirements include the following current versions of single-cylinder and multicylinder engine tests:

ASTM STP 509A, Single Cylinder Engine Tests for Evaluating the Performance of Crankcase Lubricants Part I, Caterpillar 1G2 Test Method Part II, Caterpillar 1H2 Test Method ASTM STP 315H, Multicylinder Test Sequences for Evaluating Engine Oils Part 1, Sequence IID Part 2, Sequence IIID Part 3, Sequence V-D ASTM Research Report RR:D2-1225 Sequence IIIE, Multicylinder Test Sequence for Evaluating Automotive Engine Oils ASTM D02 Proposal P212, Proposed Test Method for VE Test Procedure Also, see Engine Oil Tests-SAE J304 for details on these and other engine oil test methods.

1.5 The values stated in inch-pound units are to be regarded as the standard; except for the case of bearing weight measurements, for which the unit is milligram; and except for viscosity measurements, for which the temperatures of measurement are expressed in ^oC (degrees Celsius). SI values are given in parentheses. In cases where materials, products, or equipment are available only in inch-pound units, SI units are omitted.

1.6This 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 Note 2.

1.6 This test method is arranged as follows:

Keywords

bearing corrosion; bearing weight loss; CLR oil test engine; copper-lead bearings; deposits; engine oil; L-38 test; oil consumption; oxidation resistance; shear stability; sludge; varnish; viscosity loss

ICS Code

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

DOI: 10.1520/D5119-00

Additional information

Data Dictionary	A16
Periodic Measurements	11.10
System Response Procedure	A13
Determination of Test Results	12
Control Chart Technique for a Laboratory's Severity Adjustment (SA)	A7
Run-In and Flush	11.1
Stripped Viscosity Measurement Procedure	A17
Oil Sampling and Oil Addition	11.8
Conditioning Test Run on Power Section	9.2
Precision and Bias	14
Data Log Sheets	A5
Instrumentation Calibration	10.2
Reagents and Materials	7
Off-Gas and Blowby Measurement	11.6
Test Oil Sample Requirements	8
Air-Fuel Ratio and Spark Advance	11.5
Shutdown and Oil-Drain Procedure	11.7
Test Operating Conditions	11.3
Report	13
Air-Fuel Ratio Measurement	A14
Calibration	10
Report Forms	A15
Scope	1
General Power Section Rebuild Instructions	9.3
Intermediate Bearing Weight Loss Checks	11.2
Alternative Crankcase Breather Configurations	A10
Terminology	3
Keywords	16
Instruments and Controls	6.3
Test Stand Preparation	9.1
Measurement of Piston-to-Sleeve Clearance	A6
Laboratory Equipment Corporation	6.1
Warm-up Schedule	11.4
Suggested Method for Salvaging Camshaft Bearing Journals	X2
Fabricated or Specially Prepared Items	6.2
Procurement of Parts	6.4
Electronic Ignition Conversion Procedure	A12
Summary of Test Method	4
Specification for Soltrol 10	A1
Reconditioning of Power Section After Each Test	9.4
Role of the ASTM Test Monitoring Center and the Calibration Program	X1
Apparatus	6
L-38 Oil Priming Procedure	A9
Recommended New Liner Honing Procedure	A8
Referenced Documents	2
Oil Consumption Computation	11.9
Measurement of Connecting Rod Bearing Clearance and Journal Taper	A2
Significance and Use	5
Power Section and Test Stand Calibration	10.1
Connecting Rod Bearing Cleaning Procedure	A11
Introduction
Measurement of Main Bearing Clearance	A3
The ASTM Test Monitoring Center Calibration Program	A4
Use of ASTM Rounding	15
Preparation of Apparatus	9
Engine Operating Procedure	11
	Section