1. Scope

1.1 The procedures and guidelines detailed in this SAE Information Report provide various techniques and processes to properly clean fluid power piping prior to assembly and operation.

1.1.1 There are two recommended processes, pickling and flushing. Each procedure will remove particulate contaminates if properly applied.

1.2 Field of Application

1.2.1 The process of conductor cleaning is applicable to hydraulic, lubrication, and pneumatic fluid power systems.

1.2.2 The conductor fabrication process of welding, brazing, heating, machining, and washing of tubing and pipes, causes contaminates to collect on the inside diameter of the conductor.

1.2.3 If these contaminants are not properly removed and anticorrosive measures taken, permanent conductor damage may result.

1.2.4 Conductor cleaning and inspection must be done prior to system installation and assembly to remove any contaminants.

1.2.5 Proper conductor cleaning after assembly also assures that the system contamination level meets or exceeds acceptable operating parameters prior to system start up.

1.2.6 Hydraulic and lubrication systems require a cleanliness level which should meet cleanliness levels established by ANSI/(NFPA/JIC) T2.24.1.

1.2.7 This document should parallel O.E.M. and manufacturer procedures and standards to remove conductor associated contaminants prior to equipment assembly.

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