Table 2-5. Doffing Procedures.
*1. DOFF THE HELMET
a. Seat the diver. Ensure the air supply and exhaust valves are slightly
open to continue delivering air to the diver until his helmet is removed.
b. Open the spinmaker-type shackle and disconnect the umbilical strength
member from the jocking harness.
c. Depress helmet locking pin releases. Pull the pins clear of the lower
breech ring lugs.
d. Firmly grip the helmet and ease the helmet up and over the diver's
e. Set the helmet down on the front viewport upon a rubber mat and open
the supply valve to ventilate the helmet.
REMOVE THE WEIGHTS
During surface decompression doffing procedures,
weights are not removed.
a. Open the thigh and calf restrainers, lift the pocket flaps, and remove all
b. Release straps and remove the boots.
*3. DOFF THE JOCKING
The breech ring should be held at all times by the
diver or tender to prevent damage.
Withdraw the harness quick-release locking pin and open the waist belt
latch. Disconnect the jocking straps from the lower breech ring. Open
the shoulder tabs and chest strap, freeing the shoulder straps, and
remove the entire harness.
DOFF THE OUTER
a. Open velcro garment front and pull garment down over the diver's
shoulders and below the hips.
b. With the diver seated pull the outer garment off from the feet. Hang or
drape garment to permit drying.
DOFF THE DRYSUIT
a. Open zipper with diver standing. The diver will pull breech ring up and
maneuver his head out through the open zipper. Remove diver's arms,
one at a time from suit. Pull suit down below diver's hips.
b. Seat the diver and remove the suit over his feet.
c. Hang or drape the drysuit to permit drying.