Updated with auxiliary port and front stand offs.
Updated entire module throughout, including new procedures for head cushion stuffing along with new images to accompany.
Updated layout.
See HDCSH-1 (bottom right paragraph) states “Chin Cushion P/N 510-667”. It should be P/N 510-683 for the Chin Cushion Assembly. Also updated the note and tip icons.
Updated layout.
Information about the LVON was added in section 1.1, Head Cushion, and added new section 1.2.2, Trimming the Side Foams for the SL 27® Helmet. Updated the ear hole trim template to include the trim marks for SL 27 oral nasals.
Added, "—except the Kirby Morgan Diamond®, which includes an oral-nasal insert—" and "Assembly" and corrected the part number in the paragraph discussing the Low Volume Oral Nasal (LVON) in section 1.1 Head Cushion.
