Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIF, Spark-Ignition Engine
1.1 This test method covers an engine test procedure for evaluating automotive engine oils for certain high-temperature performance characteristics, including oil thickening, varnish deposition, oil consumption, as well as engine wear. Such oils include both single viscosity grade and multiviscosity grade oils that are used in both spark-ignition, gasoline-fueled engines, as well as in diesel engines.
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—The values stated in inches for ring gap measurements are to be regarded as standard, and where there is no direct SI equivalent such as screw threads, National Pipe Threads/diameters, tubing size, or single source supply equipment specifications.
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 requirements prior to use.
1.4 This test method is arranged as follows:
Subject | Section |
Scope | 1 |
Referenced Documents | 2 |
Terminology | 3 |
Summary of Test Method | 4 |
Significance and Use | 5 |
Apparatus | 6 |
Laboratory | 6.1 |
Drawings | 6.2 |
Specified Equipment | 6.3 |
Test Engine | 6.4 |
Engine Parts | 6.4.1 |
Engine Speed and Load Control | 6.5 |
Sequence IIIF Fluid Conditioning Module | 6.6 |
Engine Cooling System | 6.6.1 |
Flushing Tank | 6.7 |
Coolant Mixing Tank | 6.8 |
Condenser Cooling Systems | 6.9 |
Engine Oil-Cooling System | 6.10 |
Fuel System | 6.11 |
Induction Air Supply Humidity, Temperature, and Pressure | 6.12 |
Temperature Measurement | 6.13 |
Thermocouple Location | 6.13.1 |
Air-to-Fuel Ratio Determination | 6.14 |
Injector Flow Testing | 6.14.1 |
Exhaust and Exhaust Back Pressure Systems | 6.15 |
Blowby Flow Rate Measurement | 6.16 |
Pressure Measurement and Sensor Location | 6.17 |
Reagents and Materials | 7 |
Test Fuel | 7.1 |
Engine and Condenser Coolant | 7.2 |
Coolant Additive | 7.3 |
Coolant Preparation | 7.4 |
Pre-Test Cleaning Materials | 7.5 |
Sealing and Anti-seize Compounds | 7.6 |
Test Oil Sample Requirements | 8 |
Preparation of Apparatus | 9 |
Condenser Cleaning | 9.1 |
Intake Manifold Cleaning | 9.3 |
Cleaning of Engine Parts (other than the block and heads) | 9.4 |
Engine Block Cleaning | 9.5 |
Cylinder Head Cleaning | 9.6 |
Engine Build-up Procedure | 9.7 |
General Information | 9.7.1 |
Special Parts | 9.7.2 |
Hardware Information | 9.7.3 |
Fastener Torque Specifications and Torquing Procedures | 9.7.4 |
Parts Replacement | 9.8 |
Engine Block Preparation | 9.9 |
Piston Fitting and Numbering | 9.10 |
Piston Ring Fitting | 9.10.1 |
Pre-Test Camshaft and Lifter Measurements | 9.11 |
Camshaft Bearing Installation | 9.12 |
Camshaft Installation | 9.13 |
Main Bearings | 9.14 |
Crankshaft Installation | 9.14.1 |
Main Bearing Cap Installation | 9.14.2 |
Crankshaft Sprocket | 9.15 |
Camshaft Sprocket and Timing Chain | 9.16 |
Crankshaft End Play | 9.17 |
Piston Pin Installation | 9.18 |
Piston Installation | 9.18.1 |
Harmonic Balancer | 9.19 |
Connecting Rod Bearings | 9.20 |
Engine Front Cover | 9.21 |
Coolant Inlet Adapter | 9.22 |
Oil Dipstick Hole | 9.23 |
Oil Pan | 9.24 |
Cylinder Head Assembly | 9.25 |
Adjustment of Valve Spring Loads | 9.26 |
Cylinder Head Installation | 9.27 |
Hydraulic Valve Lifters | 9.28 |
Pushrods | 9.29 |
Valve Train Loading | 9.30 |
Intake Manifold | 9.31 |
Rocker Covers | 9.32 |
Water Inlet Adapter | 9.33 |
Condenser | 9.34 |
Coolant Outlet Adapter | 9.35 |
External Oil Cooling System | 9.36 |
Oil Sample Valve | 9.37 |
Ignition System | 9.38 |
Throttle Body | 9.39 |
Accessory Drive Units | 9.40 |
Exhaust Manifolds, Water-Cooled | 9.41 |
Engine Flywheel | 9.42 |
Pressure Checking of Engine Coolant System | 9.43 |
Lifting of Assembled Engines | 9.44 |
Mounting the Engine on the Test Stand | 9.45 |
External Cooling System Cleaning | 9.46 |
Engine Coolant Jacket Cleaning (Flushing) | 9.47 |
Coolant Charging | 9.48 |
Test Oil Charging | 9.49 |
Engine Oil Pump Priming | 9.50 |
Calibration | 10 |
Laboratory and Engine Test Stand Calibration | 10.1 |
Testing of Reference Oils | 10.2 |
Reference Oil Test Frequency | 10.3 |
Reporting of Reference Oil Test Results | 10.4 |
Evaluation of Reference Oil Test Results | 10.5 |
Status of Non-Reference Oil Tests Relative to Reference | 10.6 |
Status of Test Stands Used for Non-Standard Tests | 10.7 |
Data Acquisition and Control | 10.8 |
Sample Rate | 10.8.1 |
Measurement Accuracy | 10.8.2 |
Temperature | 10.8.3 |
Pressure | General InformationStatus : Historical Standard Type: Main Document No: ASTM D6984 : 12b Document Year: 2012 Pages: 52 Edition: b
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