R803       *Don’t modify pneumatics. All pneumatic COMPONENTS must be used in their original, unaltered condition. Exceptions are as follows:

A.      tubing may be cut,

B.      wiring for pneumatic devices may be modified to interface with the control system,

C.      assembling and connecting pneumatic COMPONENTS using the pre-existing threads, mounting brackets, quick-connect fittings, etc.,

D.      removing the mounting pin from a pneumatic cylinder, provided the cylinder itself is not modified, and

E.      labeling applied to indicate device purpose, connectivity, functional performance, etc.