ASTM D8226-21

Introduction

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Scope

1

Referenced Documents

2

Terminology

3

Summary of Test Method

4

Significance and Use

5

Apparatus

6

General

6.1

Test Engine Configuration

6.2

Laboratory Ambient Conditions

6.3

Engine Speed and Torque Control

6.4

Dynamometer

6.4.1

Dynamometer Torque

6.4.2

Engine Cooling System

6.5

External Oil System

6.6

Fuel System

6.7

Fuel Flow Measurement

6.7.2

Fuel Temperature and Pressure Control to the Fuel Flow Meter

6.7.3

Fuel Temperature and Pressure Control to Engine Fuel Rail

6.7.4

Fuel Supply Pumps

6.7.5

Fuel Filtering

6.7.6

Engine Intake Air Supply

6.8

Intake Air Humidity

6.8.1

Intake Air Filtration

6.8.2

Intake Air Pressure Relief

6.8.3

Temperature Measurement

6.9

Thermocouple Location

6.9.5

AFR Determination

6.10

Exhaust and Exhaust Back Pressure Systems

6.11

Exhaust Manifolds

6.11.1

Laboratory Exhaust System

6.11.2

Exhaust Back Pressure

6.11.3

Pressure Measurement and Pressure Sensor Locations

6.12

Engine Oil

6.12.2

Fuel to Fuel Flow meter

6.12.3

Fuel to Engine Fuel Rail

6.12.4

Exhaust Back Pressure

6.12.5

Intake Air

6.12.6

Intake Manifold Vacuum/Absolute Pressure

6.12.7

Coolant Flow Differential Pressure

6.12.8

Crankcase Pressure

6.12.9

Engine Hardware and Related Apparatus

6.13

Test Engine Configuration

6.13.1

ECU (Power Control Module)

6.13.2

Thermostat Block-Off Adapter Plate

6.13.3

Wiring Harness

6.13.4

Oil Pan

6.13.5

Engine Water Pump Adapter Plate

6.13.6

Thermostat Block-Off Plate

6.13.7

Oil Filter Adapter Plate

6.13.8

Modified Throttle Body Assembly

6.13.9

Fuel Rail

6.13.10

Miscellaneous Apparatus Related to Engine Operation

6.14

Reagents and Materials

7

Engine Oil

7.1

Test Fuel

7.2

Engine Coolant

7.3

Cleaning Materials

7.4

Preparation of Apparatus

8

Test Stand Preparation

8.2

Engine Preparation

9

Cleaning of Engine Parts

9.3

Engine Assembly Procedure

9.4

General Assembly Instructions

9.4.1

Bolt Torque Specifications

9.4.2

Sealing Compounds

9.4.3

Harmonic Balancer

9.4.5

Thermostat

9.4.6

Coolant Inlet

9.4.7

Oil Filter Adapter

9.4.8

Dipstick Tube

9.4.9

Sensors, Switches, Valves, and Positioners

9.4.10

Ignition System

9.4.11

Fuel Injection System

9.4.12

Intake Air System

9.4.13

Engine Management System

9.4.14

Accessory Drive Units

9.4.15

Exhaust Manifolds

9.4.16

Engine Flywheel and Guards

9.4.17

Lifting of Assembled Engines

9.4.18

Engine Mounts

9.4.19

Non-Phased Camshaft Gears

9.4.20

Internal Coolant Orifice

9.4.21

Calibration

10

Stand/Engine Calibration

10.1

Procedure

10.1.1

Reporting of Reference Results

10.1.2

Analysis of Reference/Calibration Oils

10.1.3

Instrument Calibration

10.2

Engine Torque Measurement System

10.2.3

Fuel Flow Measurement System

10.2.4

Coolant Flow Measurement System

10.2.5

Thermocouple and Temperature Measurement System

10.2.6

Humidity Measurement System

10.2.7

Other Instrumentation

10.2.8

Test Procedure

11

External Oil System

11.1

Flush Effectiveness Demonstration

11.2

Preparation for Oil Charge

11.3

Initial Engine Start-Up

11.4

New Engine Break-In

11.5

Oil Charge for Break-In

11.5.2

Break-In Operating Conditions

11.5.3

Standard Requirements for Break-In

11.5.4

Routine Test Operation

11.6

Start-Up and Shutdown Procedures

11.6.1

Flying Flush Oil Exchange Procedures

11.6.2

Test Operating Stages

11.6.3

Stabilization to Stage Conditions

11.6.4

Stabilized BSFC Measurement Cycle

11.6.5

BLB1 Oil Flush Procedure for BL Oil Before Test Run 1

11.6.6

BSFC Measurement of BLB1 Oil Before Test Oil

11.6.7

BLB2 Oil Flush Procedure for BL Oil Before Test Oil Run 2

11.6.8

BSFC Measurement of BLB2 Oil Before Test Oil

11.6.9

Percent Delta Calculation for BLB1 vs. BLB2

11.6.10

Test Oil Flush Procedure

11.6.11

Test Oil Aging, Phase I

11.6.12

BSFC Measurement of Aged (Phase I) Test Oil

11.6.13

Test Oil Aging, Phase II

11.6.14

BSFC Measurement of Aged (Phase II) Test Oil

11.6.15

Oil Consumption and Sampling

11.6.16

Flush Procedure for BL Oil (BLA) After Test Oil

11.6.17

General Test Data Logging Forms

11.6.18

Diagnostic Review Procedures

11.6.19

Determination of Test Results

12

Final Test Report

13

Precision and Bias

14

Keywords

15

Annexes

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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

Detailed Specifications and Drawings of Apparatus

Annex A5

Oil Heater Bolton 255 Refill Procedure

Annex A6

Engine Part Number Listing

Annex A7

Safety Precautions

Annex A8

Sequence VIF Test Report Forms and Data Dictionary

Annex A9

Statistical Equations for Mean and Standard Deviations

Annex A10

Determining the Oil Sump Full Level & Consumption

Annex A11

Fuel Injection Evaluation

Annex A12

Pre-test Maintenance Checklist

Annex A13

Blow-by Ventilation System Requirements

Annex A14

Calculation of Test Results

Annex A15

Calculation of Un-weighted Baseline Shift

Annex A16

Non-Phased Cam Gear and Position Actuator Installation and GM Short Block Assembly Procedure

Annex A17

Appendix

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Procurement of Test Methods

Appendix X1