ASTM D8226 : 18

Introduction

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 Positioner’s

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

General Information

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