TM 5-4220-226-14&P2-7. Donning Procedures - continued.Table 2-3. Donning Procedures - CONTStepProcedure3. Adjust head cushion and chinstrap.a. Align head cushion in helmet so it does not protrude into the frontof the helmet interfering with vision.b. The chin strap should be inspected to make sure it is secure atthe 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 yokea. The neck dam and yoke is hinged open and pulled over thedivers head.2-8
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