Standard Test Method for Evaluation of Engine Oils in Diesel Four-Stroke Cycle Supercharged 1M-PC Single Cylinder Oil Test Engine

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ASTM International

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1.1 This test method covers a four-stroke cycle diesel engine test procedure for evaluating engine oils for certain high-temperature performance characteristics, particularly ring sticking, ring and cylinder wear, and accumulation of piston deposits. Such oils include both single viscosity SAE grade and multiviscosity SAE grade oils used in diesel engines. It is commonly known as the 1M-PC test (PC for Pre-Chamber) and is used in several API oil categories, notably the CF and CF-2 and the military category described in MIL-PRF-2104 (see Note 1).

Note 1 - Companion test methods used to evaluate other engine oil performance characteristics for API oil categories CF and CF-2 are discussed in SAE J304. The companion tests used by the military can be found in MIL-PRF-2104.

1.2 The values stated in SI units are to be regarded as standard. The values in parentheses are provided for information only.

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.

1.4 This test method is arranged as follows:

TABLE OF CONTENTS
Scope		1
Reference Documents		2
Terminology		3
Summary of Test Method		4
Significance and Use		5
Apparatus		6
	Test Engine	6.1
	Engine Accessories	6.2-6.14
	Engine Oil System	6.15
	Cooling System	6.16
	Fuel System	6.17
	Intake Air System	6.18
	Exhaust System	6.19
	Blowby Meter	6.20
	Thermocouples	6.21
	Parts	6.22
	Instrumentation	6.23
	Crankcase Paint	6.24
Reagents and Materials		7
	Fuel	7.1
	Test Oil	7.2
	Engine Coolant	7.3
	Cleaning Materials	7.4
Safety		8
Preparation of Apparatus		9
	Supplementary Service Information	9.1
	General Engine Inspection	9.2
	Intake Air System	9.3
	Cooling System	9.4
	Engine Cooling System Cleaning	9.5
	Instrumentation Calibration Requirements	9.6
	Engine Crankcase Cleaning	9.7
	Additional Oil Filter	9.8
	Flushing Procedure Components	9.9
	Flushing Procedures	9.10
	Piston Cleaning Preparation	9.11
	Cylinder Head	9.12
	Fuel Nozzle	9.13
	Measurement	9.14
Procedure		10
	Engine Break-in	10.1
	Pre-Test Preparations	10.2
	Warm-up Procedure	10.3
	Operating Conditions	10.4
	Periodic Measurements	10.5
	Engine Oil Level	10.6
	Oil Addition Procedure	10.7
	Cool-Down Procedure	10.8
	Shutdowns	10.9
	Fuel System	10.10
	Brake Specific Oil Consumption (BSOC) Calculation	10.11
Inspection		11
	Preparation	11.1
	Inspection	11.2
	Rater Training	11.3
	Referee Ratings	11.4
Calibration of Test Method		12
	Requirements	12.1
	Reference Oils	12.2
	Test Numbering	12.3
	Definition of a Test	12.4
	New Laboratories and New Test Stands	12.5
	Frequency of Calibration Tests	12.6
	Specified Test Parameters	12.10
	Acceptance of Calibration Tests	12.11
	Failing Reference Oil Calibration Tests	12.12
	Non-Standard Tests	12.13
	Severity Adjustments and Control Charting	12.14
	Test Reporting	12.15
	Reporting Reference Results	12.16
	Analysis of Reference Oils	12.17
Precision and Bias		13
	Precision	13.1
	Bias	13.2
Keywords		14

ANNEXES

	Figures and Schematics	Annex A1
	Report Forms	Annex A2
	Test Fuel Information	Annex A3

APPENDIXES

	Humidity Correction Factors	Appendix X1
	Report Form Examples	Appendix X2
	1M-PC Multiple Testing	Appendix X3

File Size :	1 file , 900 KB
Note :	This product is unavailable in Russia, Ukraine, Belarus
Number of Pages :	54
Published :	10/15/2008
Redline File Size :	2 files , 1.6 MB