Updated with auxiliary port and front stand offs.
Added the pull pin overhaul and pull pin sleeve sections.
Updated layout, diagrams and removed references to specific torque specs.
Updated step 6 in section 1.3.3.3 Reassembly and Filling from, "hole end down" to, "hole end up" and updated the bulletin year in section 1.3 Sealed Pull Pins from 2012 to 2013.
Updated the cross references to the torque specs due to the splitting of APNDX into three separate modules.
Added the new note and important icons throughout the module. Added QR code to the instructional YouTube video and updated the, "Exploded view of the sealed pull pin" in section 1.3.3 Sealed Pull Pin Overhaul. Updated steps 2 in section 1.3.3.1 Preparation and the note in section 1.3.3.3 Reassembly and Filling.
Updated layout.
Icons throughout have been updated. The 3/8" Nut Driver tool has been added to the list of required tools in section 1.3.3 Sealed Pull Pin Overhaul.
Updated the image in step seven, revised note in step five, and revised step eight in section 1.3.3.3 Reassembly and Filling.
Removed “7/64 Hex Key on Torque Screwdriver” and replaced it with “9/64 Allen Wrench” in section 1.3.1 Removal of Sealed Pull Pins.
1.1.1 Snap Tab Removal
Change
• Tool specification clarified.
Old
• Phillips Head Screwdriver
New
• #2 Phillips Head Screwdriver
1.1.2 Snap Tab Replacement
Changes
• Tool specification clarified.
• Thread locker specification expanded.
• Minor wording updates in corrosion removal instructions.
• Torque instruction simplified.
Key change:
• Loctite® 248 → Loctite® 248 or equivalent medium strength thread locker
1.2 Chin Strap (New Section)
Change
• Chin strap content separated from Snap Tabs section and expanded with safety information.
Added content includes:
• Requirement that all helmets must have a chin strap.
• Safety explanation regarding diver positioning and CO₂ buildup.
• Helmet retention explanation.
1.2.1 Chin Strap Removal
Changes
• Tool specification clarified.
Old
• Phillips Screwdriver
New
• #2 Phillips Screwdriver
• Procedure wording updated.
1.2.2 Chin Strap Replacement
Change
• Torque instruction wording standardized.
Old
• Tighten screws with torque screwdriver.
New
• Torque the screws in accordance with torque specification.
1.4 Sealed Pull Pins
Change
• New maintenance guidance added.
New statement added:
• KMDSI recommends that the pull pins be serviced annually.
1.4.1 Removal of Sealed Pull Pins
Change
• Added service guidance.
New instruction:
• Pull pins should be overhauled once a year or earlier if inspection indicates service.
Old document did not include this maintenance interval.
1.4.2 Replacement of Sealed Pull Pins
Changes
• Cam angle installation description revised.
• Screw reuse instructions expanded.
Key change:
• Added instruction to clean and inspect threads before applying Loctite® 248.
1.4.3 Sealed Pull Pin Overhaul (Tools List)
Change
• Thread locker specification expanded.
Old
• Loctite® 248
New
• Loctite® 248 or equivalent medium strength thread locker
1.5.2 Reassembly of the Swing Catch
Change
• Images were included with each step.
