Updated earphones, microphone and communications set.
Added the front stand offs and accompanying screw as separate part numbers, rather than the 525-116 kit.
Created modular BlowAparts.
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.
Updated layout.
Added critical components.
Location #101 corrected from P/N 515-062 to P/N 515-061 Terminal Block and changed the material for the P/N 550-081 from stainless steel to bronze.
Added the P/N 505-455 455 Balanced Regulator (Order P/N 525-765) and removed P/N 505-069 SuperFlow® 350 Regulator Assembly (Purchase 525-771 Kit).
Removed, "B" designation from location #7 P/N 505-024 Side Block Assembly. Added "Order P/N 555-155" to location #9 Bent tube Assembly, No O-rings.
