Heat TPL for approximately 10 minutes.
-Set timer, stopwatch, or equivalent.
-Describe fitting procedure to crew-
-Check oven thermometer every
three to five minutes during heat-
ing process and adjust oven con-
trols if temperature falls outside
the range specified in step 1.
Remove TPL from oven.
-Steps 5 through 10 should be com-
pleted in less than 30 seconds.
-Touch only fabric-covered portion
Do not touch hot plastic layers;
-Gloves may be used for heat-
burns may result.
Squeezing sides of TPL to clear earcups,
-Place label and holes toward front
place TPL in helmet.
Align TPL to protrude approximately 1/4"
-Ensure that TPL is symmetrically
above front edge of styrofoam liner.
located from side to side in helmet.
Position TPL crown into helmet.
-Do not press too hard in any one
area; this may deform hot, soft
Have crewmember hook thumbs in ear-
-Technician should squeeze rear
cups, spread helmet slightly, place front
portion of TPL tightly against styro-
of helmet against brow, rotate helmet
foam liner during donning to en-
rearward, and don helmet.
sure that TPL does not bunch up
-Helmet should now be in proper
Have crewmember pull helmet down until
-Hold for three to five minutes.
ears are centered in earcups.
-Chin strap may be fastened to
hold helmet in position.
Check eyebrow-to-shell offset.
-Shell should be approximately 3/4'
above eyebrow for maximum field
-Lower visors to check centering
and nose clearance.