Updated earphones, microphone and communications set.
Added the note (order P/N 525-745) to the 510-837 head cushion foam spacer assembly and added note that the nose block device includes the nose block pad.
Created modular BlowApart.
Corrected the head cushion, head cushion bag and helmet shell part numbers
Corrected the Regulator Mount Nut from P/N 550-081 to P/N 550-038.
Updated layout.
Removed the 545-024, which had the correct part number and description for 510-033, and replaced with 510-033.
Updated the incorrect P/N 510-490 regulator mount nut O-ring to the correct P/N 510-211.
Location #72 corrected from P/N 515-062 to P/N 515-061 Terminal Block.
Removed, "B" designation from location #6 P/N 505-024 Side Block Assembly. Added "Order P/N 555-155" to location #8 Bent tube Assembly, No O-rings.
