TM 5-4220-226-14&P
2-7. Donning Procedures - continued.
Table 2-3. Donning Procedures - CONT
Step
Procedure
3. Adjust head cushion and chin
strap.
a. Align head cushion in helmet so it does not protrude into the front
of the helmet interfering with vision.
b. The chin strap should be inspected to make sure it is secure at
the proper adjustment to suit the diver. If chin strap is too loose,
the helmet will ride up during the dive.
4. Don neck dam and yoke
a. The neck dam and yoke is hinged open and pulled over the
divers head.
2-8
