5.3.2
If any of the following conditions exist, replace the impact cap.
5.3.2.1
•
Cracks
•
Depressions or dents equal to or larger than a thumbnail
•
Punctures, blisters, or discoloration due to impact, excessive heat, or normal wear
•
Delamination/separation of foam from the black liner
5.3.2.2
•
Cracks
•
Depressions or dents equal to or larger than a thumbnail
•
Punctures, blisters, or discoloration due to impact, excessive heat, or normal wear
•
Cracked and distorted (that is, out of round) plastic tube
•
Rigid rubber tube (should be supple and elastic)
5.3.3
If any of the following conditions exist, replace the suspension:
•
Straps have missing, cut, fraying, or broken stitching
•
Straps are torn or abraded
•
Straps are brittle or discolored
•
Suspension attachment clips are broken, brittle, whited, or discolored
5.3.4
If any of the following conditions exist, replace the applicable part:
•
Missing, cut, or broken stitching
•
Torn, discolored charred, perforated or seared
•
Missing hook-and-loop fasteners for ear cover (excluding MSA Cairns 880 Fire Helmets, which do
not have hook-and-loop fasteners)
5.3.5
If any of the following conditions exist, replace the headband:
US
•
Brittle, torn, cracked, or broken
•
Holes
•
Able to open ratchet by tugging on nape arms (rather than turning the knob)
5.3.6
If any of the following conditions exist, replace the chinstrap:
•
Frayed, missing, or broken parts
•
Missing, cut, frayed, or broken stitching
•
Clogged or worn-out hook-and-loop fastener
•
Brittle, broken, or missing quick-release button
•
Loose Postman's Slide
•
Broken or cracked attachment points
•
Loose snap fasteners
18
Impact Cap
Models 1010 and 1044 (Black Impact Cap)
Models 1010 and 1044 (Grey Impact Cap), 660C, 664, HP3, 880, 360R, 360R-
13, and 360S
Suspension
Ear Cover, Ratchet Cover, and Liner
Headband
Chinstrap
MSA Cairns Fire Helmets