Updated with front stand offs and auxiliary port.
Updated module throughout.
Updated layout.
Changed the note on page one in section 1.1.1 REX® Pod System and Regulator Removal from, "Outside of the helmet shell" to "Inside of the helmet shell."
Changed the note on page one in section 1.1.1 Pod System and Regulator Removal from, "…while others are on the inside" to "…while others are on the outside." Updated the caption for the image depicting the different screws in section 1.2 Reinstalling the Pod on the Helmet.
Updated the material of the 510-776 exhaust valve.
Updated the cross references to the torque specs due to the splitting of APNDX into three separate modules.
Updated layout.