Table 1. Periodic Inspection
COMPONENT INSPECT FOR: APPLICABLE PROCEDURE
Helmet Shell Cracks, holes, warping.
Cleanliness.
Remove all components; install
components in replacement shell.
Clean per instructions on the next
page.
Energy-
Absorbing
Liner
Worn or loose hook
fasteners.
Gouges, cracks,
indentations.
Remove liner as in Replacement
Procedure 1, Page 14. Replace
fasteners; reinstall liner.
Replace liner as in Replacement
Procedure 1.
TPL Torn or damaged areas.
Loose bond at edges.
Worn cover.
Replace TPL as in Replacement
Procedure 1, Page 14.
Remove TPL as in Replacement
Procedure 1; replace two sided
tape attaching cloth cover to plastic
layers; reinstall TPL.
Remove TPL from helmet as in
Replacement Procedure 1; replace
TPL cover, reinstall TPL.
Earcup
Assembly
Cracked cup, broken or
missing tab, torn earseal,
worn earphone holder or
spacer pad, or failed
earphone.
Cleanliness.
Remove earcup as in Replacement
Procedure 3, Page 16; replace
parts as necessary; reinstall
earcup.
Clean per instructions on the next
page.
Retention
Assembly
(including
nape strap
and chinstrap)
Frayed or torn fabric,
loose stitching, corroded
or bent buckles or snap.
Cleanliness.
Replace as in Replacement
Procedure 2, Page 15.
Clean per instructions on the next
page.
Microphone,
Boom, Swivel
Assembly
Failed microphone;
damaged or worn swivel
or boom.
Replace assembly as in
Replacement Procedure 4,
Page 18.
Microphone
Cord,
Connector
Cuts, cracks, deteriorated
insulation, general
damage.
Replace as in Replacement
Procedure 5, Page 19.
Visor
Assembly
Cracks, scratches, loose
knobs.
Cleanliness.
Replace as in Replacement
Procedure 6, Page 21
Clean per instructions on the next
page.
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