NOTE: Always fill the auxiliary air cylinder as slowly as possible by turning the handwheel of the
supply valve slowly to control the rate of fill. Rapid filling will generate heat and will result in an
incomplete fill after the cylinder cools. Make sure not to over-inflate or inflate too rapidly. If the
cylinder is warm to the touch afterward, the fill rate was too rapid.
Fig. 8
Attaching the Auxiliary Air Cylinders
1. Before attaching the cylinder, inspect the o-ring located at the tip of the cylinder valve connector
(Fig. 7)
.
2. Insert the cylinder into the retaining sleeve and align the threaded valve outlet with the cylinder valve
connector. Turn the connector nut counter-clockwise and thread the cylinder valve connector onto the valve
outlet until finger tight
(Fig. 8).
8. Close the valve of the supply cylinder and then the valve of the auxiliary air cylinder. Slowly loosen the
bleed valve by turning it counter-clockwise to relieve the high pressure air trapped in the adapter.
9. Loosen the yoke knob and remove the adapter from the supply cylinder. Unscrew the adapter from the
auxiliary cylinder valve. Place the dust cap back in place and tighten the yoke knob.
Fig. 7
Check
o-ring
6. Open the handwheel on the auxiliary air cylinder counter-clockwise until the valve is completely open.
7. VERY SLOWLY open the valve on the scuba cylinder.
12
Atlantis Technical Manual
