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1. Before attempting to fill the auxiliary air cylinder, ensure that the fill adapter and valve are completely dry,
especially in the area surrounding the valve outlet. Examine the cylinder markings to verify that it is rated for
a fill pressure of 3000 psi (206 BAR).
2. Using a calibrated pressure gauge, check the supply cylinder is filled to 3000 psi (206 BAR). It is very
important to ensure that the auxiliary air cylinder is filled to its total capacity, but not overfilled.
WARNING: DO NOT attempt to fill the cylinder if the markings indicate that it is rated for
a different fill pressure other than 3000 psi (206 BAR). Doing so may result in rupture
or explosion in the event of fire or overfilling. Instead, immediately return the unit to a
qualified technician and do not use under any circumstances.
3. Inspect the o-ring at the end of the fill adapter to make sure it is in good condition. Thread the adapter
onto the threaded outlet boss on the cylinder valve until finger tight (Fig. 5).
Check
o-ring
4. Loosen the yoke knob. While supporting the auxiliary air cylinder in one hand, attach the adapter to a fully
pressurized 3000 psi (206 BAR) SCUBA cylinder (Fig. 6).
5. Close the bleed valve on the adapter by turning clockwise until finger tight.
Fig. 5
Bleed Valve
Yoke Knob
Fig. 6
11
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