ASTM D7468-13

Section

Scope

1

Referenced Documents

2

Terminology

3

Summary of Test Method

4

Significance and Use

5

Apparatus

6

 Test Engine Configuration

6.1

  Test Engine

6.1.1

  Oil Heat Exchanger, Adapter Blocks, Block Off Plate

6.1.2

  Oil Filter Head Modification

6.1.3

  Oil Pan Modification

6.1.4

  Engine Control Module (ECM)

6.1.5

  Engine Position Sensor

6.1.6

  Intake Manifold Temperature Sensor

6.1.7

  Barometric Pressure Sensor

6.1.8

  Turbocharger Controller

6.1.9

  Power Supply Voltage

6.1.10

  Air Compressor and Fuel Pump

6.1.11

  Engine Block Preparation

6.1.12

 Test Stand Configuration

6.2

  Engine Mounting

6.2.1

  Intake Air System

6.2.2

  Aftercooler

6.2.3

  Exhaust System

6.2.4

  Exhaust Gas Recirculation System

6.2.5

  Fuel System

6.2.6

  Coolant System

6.2.7

  Pressurized Oil Fill System

6.2.8

  External Oil System

6.2.9

  Crankcase Aspiration

6.2.10

  Blowby Rate

6.2.11

 System Time Responses

6.3

 Oil Sample Containers

6.4

 Mass Balance

6.5

Engine and Cleaning Fluids

7

 Test Oil

7.1

 Test Fuel

7.2

 Engine Coolant

7.3

 Pentane

7.4

 Solvent

7.5

Preparation of Apparatus

8

 Cleaning of Parts

8.1

  General

8.1.1

  Engine Block

8.1.2

  Cylinder Head

8.1.3

  Rocker Cover and Oil Pan

8.1.4

  External Oil System

8.1.5

  Crosshead Cleaning and Measurement

8.1.6

  Rod Bearing Cleaning and Measurement

8.1.7

  Ring Cleaning and Measurement

8.1.8

  Injector Adjusting Screw Cleaning and Measurement

8.1.9

 Engine Assembly

8.2

  General

8.2.1

  Parts Reuse and Replacement

8.2.2

  Build-Up Oil

8.2.3

  Coolant Thermostat

8.2.4

  Oil Thermostat

8.2.5

  Fuel Injectors

8.2.6

  New Parts

8.2.7

 Operational Measurements

8.3

  Units and Formats

8.3.1

  Instrumentation Calibration

8.3.2

  Temperatures

8.3.3

  Pressures

8.3.4

  Flow Rates

8.3.5

  Intake and Exhaust CO₂ Measurement

8.3.6

Engine/Stand Calibration and Non-Reference Oil Tests

9

 General

9.1

 New Test Stand

9.2

  New Test Stand Calibration

9.2.1

 Stand Calibration Period

9.3

 Stand Modification and Calibration Status

9.4

 Test Numbering System

9.5

  General

9.5.1

  Reference Oil Tests

9.5.2

  Non-Reference Oil Tests

9.5.3

 Reference Oil Test Acceptance

9.6

 Reference Oil Accountability

9.7

 Last Start Date

9.8

 Donated Reference Oil Test Programs

9.9

 Adjustments to Reference Oil Calibration Periods

9.10

  Procedural Deviations

9.10.1

  Parts and Fuel Shortages

9.10.2

  Reference Oil Test Data Flow

9.10.3

  Special Use of the Reference Oil Calibration System

9.10.4

Test Procedure

10

 Engine Installation and Stand Connections

10.1

 Coolant System Fill

10.2

 Oil Fill for Break-in

10.3

  Engine Build Committed

10.3.3

 Fuel Samples

10.4

 Engine Warm-up

10.5

  Shutdown During Warm-up

10.5.1

 Engine Break-in

10.6

 Shutdown and Maintenance

10.7

  Normal Shutdown

10.7.1

  Emergency Shutdown

10.7.2

  Maintenance

10.7.3

  Downtime

10.7.4

 200-h Test Procedure

10.8

  Oil Fill for Test

10.8.2

  Operating Conditions

10.8.4

  Injection Timing Change

10.8.5

  Mass % Soot Validity

10.8.6

  Test Timer

10.8.7

  Operational Data Acquisition

10.8.8

  Oil Sampling

10.8.9

  Oil Addition

10.8.10

 End of Test (EOT)

10.9

  Engine Disassembly

10.9.3

Calculations, Ratings and Test Validity

11

 Crosshead Mass Loss

11.1

  Crosshead Mass Loss Correction Factor

11.1.8

 Injector Adjusting Screw Mass Loss

11.2

  Injector Adjusting Screw Correction Factor

11.2.5

 Ring Mass Loss

11.3

 Sludge Ratings

11.4

 Oil Filter Plugging

11.5

 Oil Analyses

11.6

 Oil Consumption

11.7

 Fuel Analyses

11.8

  Additional Analysis

11.8.1

 Assessment of Operational Validity

11.9

 Assessment of Test Interpretability

11.10

Test Report

12

 Report Forms

12.1

 Reference Oil Test

12.2

 Electronic transmission of Test Results

12.2.1

Precision and Bias

13

 Precision

13.1

  Intermediate Precision Conditions

13.1.1

  Reproducibility Conditions

13.1.2

 Bias

13.2

Keywords

14

Annexes

Safety Precautions

Intake Air Aftercooler

Engine Build Parts Kit

Sensor Locations, Special Hardware, and Engine Block Modifications

External Oil System

Fuel Specification

Cummins Service Publications

Specified Units and Formats

Report Forms and Data Dictionary

Sludge Rating Worksheets

Oil Analyses

Determination of Operational Validity

Exhaust CO₂ Sampling Probe

ISM Merit Rating Calculation

Appendix

Typical System Configurations

D613-24

Standard Test Method for Cetane Number of Diesel Fuel Oil

D5453-19a

Standard Test Method for Determination of Total Sulfur in Light Hydrocarbons, Spark Ignition Engine Fuel, Diesel Engine Fuel, and Engine Oil by Ultraviolet Fluorescence (Includes all amendments and changes 8/13/2019).

D2622-21

Standard Test Method for Sulfur in Petroleum Products by Wavelength Dispersive X-ray Fluorescence Spectrometry

D2709-22

Standard Test Method for Water and Sediment in Middle Distillate Fuels by Centrifuge

D4175-23a

Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants (Includes all amendments and changes 12/21/2023).

D4052-22

Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter

D5967-21

Standard Test Method for Evaluation of Diesel Engine Oils in T-8 Diesel Engine

ASTM Deposit Rating Manual 20

D86-23ae1

Standard Test Method for Distillation of Petroleum Products and Liquid Fuels at Atmospheric Pressure (Includes all amendments and changes 2/9/2024).

D93-20

Standard Test Methods for Flash Point by Pensky-Martens Closed Cup Tester

D97-17b(2022)

Standard Test Method for Pour Point of Petroleum Products (Includes all amendments and changes 11/29/2022).

D130-19

Standard Test Method for Corrosiveness to Copper from Petroleum Products by Copper Strip Test

D235-22

Standard Specification for Mineral Spirits (Petroleum Spirits) (Hydrocarbon Dry Cleaning Solvent)

D287-22

Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer/Method)

D445-23

Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)

D482-19

Standard Test Method for Ash from Petroleum Products

D524-15(2019)

Standard Test Method for Ramsbottom Carbon Residue of Petroleum Products

D664-18e2

Standard Test Method for Acid Number of Petroleum Products by Potentiometric Titration (Includes all amendments and changes 1/4/2019).

D5185-18

Standard Test Method for Multielement Determination of Used and Unused Lubricating Oils and Base Oils by Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES)

D4739-23

Standard Test Method for Base Number Determination by Potentiometric Hydrochloric Acid Titration

D4737-21

Standard Test Method for Calculated Cetane Index by Four Variable Equation

D4485-22e1

Standard Specification for Performance of Active API Service Category Engine Oils (Includes all amendments and changes 12/8/2022).

D4294-21

Standard Test Method for Sulfur in Petroleum and Petroleum Products by Energy Dispersive X-ray Fluorescence Spectrometry

E178-21

Standard Practice for Dealing With Outlying Observations

E29-22

Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

Code of Federal Regulations

D2500-23

Standard Test Method for Cloud Point of Petroleum Products and Liquid Fuels

D2274-14(2019)

Standard Test Method for Oxidation Stability of Distillate Fuel Oil (Accelerated Method)

D1319-20a

Standard Test Method for Hydrocarbon Types in Liquid Petroleum Products by Fluorescent Indicator Adsorption (Includes all amendments and changes 9/14/2020).

D976-21e1

Standard Test Method for Calculated Cetane Index of Distillate Fuels (Includes all amendments and changes 2/23/2023).