scope:

This SAE Aerospace Recommended Practice (ARP) provides recommended practices for the cleaning of aircraft oxygen equipment, both metallic and non-metallic articles, such as oxygen lines (tubes, hoses, etc.), components (including regulator and valve parts), cylinders, and ground-based equipment that may be used to support aircraft oxygen systems. This document also specifies work area details, methods for selecting suitable cleaning agents, cleaning methods, and test methods for verifying levels of cleanliness. The cleanliness coding scheme specified in this document provides a method for documenting minimum cleanliness level requirements and for identifying compliance.

Purpose

The purpose of this document is to provide recommended methods for the cleaning of both aircraft and ground-based oxygen equipment that support aircraft oxygen systems and to outline the minimum accepted practices for articles that are cleaned for oxygen service . Oxygen equipment cleaning operations must perform to a minimum level of safety suitable for precluding toxic and fire hazards for the application and conditions for which the equipment is intended.