Relocated a few location bubbles and fasteners parts associated with the earphone retainer and eliminated the 530-547 washer from the neck pad, as it's included with the neck pad.
Added the front stand offs and accompanying screw as separate part numbers, rather than the 525-116 kit.
Added the note (order P/N 525-745) to the 510-837 head cushion foam spacer assembly and separated the nose block pad from the nose block device.
Created modular BlowApart.
Corrected part numbers 510-760 to 510-759 and 505-730 to 505-729 and their associated descriptions.
Updated the appearance of the 510-759 SL 27 Tri Valve exhaust main body.
Updated layout. Corrected front stand off part number from 540-059 to 540-039 and corrected spelling of "Deflector" from "Defector."
Corrected part number and description of the nose block to 545-070.
Added critical components.
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 #5 P/N 505-024 Side Block Assembly and P/N 505-025 Side Block Assembly, Brass. Added "Order P/N 555-155" to location #7 Bent tube Assembly, No O-rings.
Rotated locations 49 and 50 P/N 820-120 Valve Body, Purge and P/N 810-025 Valve, Purge 180 degrees.
