GMW17904

Description / Abstract: GMW17904, 1st Edition, January 2018 - Cast Iron Flywheel Porosity

Introduction

Note: Nothing in this standard supercedes applicable laws and regulations.

Note: In the event of conflict between the English and domestic language, the English language shall take precedence.

Purpose.

This specification describes cast iron flywheel porosity inspection requirements.

Applicability.

All GM engines using cast iron flywheels.

Remarks.

This specification serves as a porosity inspection standard to quantify flaws in machined and non-machined flywheel surfaces. It includes ʺvisible to the naked eyeʺ porosity inspection requirements.