Chapter 10

Question 1

What are the steps involved in properly assembling your scuba unit?

Answer 1

1. Cylinder Check: Remove the valve cover and look at the O-ring.
2. BC Attachment: Place your BC over the top of the cylinder so the back of the BC is facing you. Raise or lower the BC so that the top of it is even with the cylinder valve. Fasten the buckle.
3. Regulation Attachment: Remove the dust cap and hold the first stage in your left hand. Rotate the chambers until the primary second stage sits to the right.
4. BC Inflator Hose Attachment: Connect the low pressure inflator hose to the stem on the BC’s inflator.
5. Turn on the air: Hold the submersible pressure gauge. Slowly open the cylinder valve by rotating the on/off knob until air starts to flow.
6. Regulator test: Depress the purge button on the primary second.

Question 2

Which pieces of equipment should not be allowed to dangle freely?

Answer 2

Hoses and gauges.

Question 3

What are the benefits of securing equipment properly?

Question 4

What does the ABC Pre-Dive Check acronym stand for?

Answer 4

Air: Make sure air is on by inhaling from primary second stage while looking at the pressure gauge.
BC: Make sure your BC is inflated enough to support you at the surface.
Computer: Check that your computer is turned on and has not retreated into a surface or sleep mode.