Aqua Lung Calypso Troubleshooting Guide download pdf (Page 12)

2. Observe any bubbles

arising from the sub-

merged regulator over a

one minute period. The

recommended time is

necessary due to slower

bubble formation that

occurs in smaller leaks.

Bubbles indicate a leak,

which requires that the

system must be disassembled at the source to check seal-

ing surfaces, assembly sequence and component position-

ing in order to correct the problem(s).

NOTE

Extremely small leaks may be better detected

by applying a soap solution or Snoop™ to the leak area.

Bubble streams will indicate the source of the leak. Before

disassembling to correct any leaks, rinse the entire regula-

tor thoroughly with fresh water and blow out all residual

moisture with ﬁ ltered, low-pressure (50 psi) air. Disassem-

ble and remedy the problem, referring to Table 1 - Trouble-

shooting.

Subjective Breathing Test

1. Depress the purge cover fully to ensure that an adequate

volume of air needed to clear the second stage ﬂ ows

through the mouthpiece. Then, inhale slowly but deeply

from the mouthpiece. A properly serviced and adjusted

regulator should deliver air upon deep inhalation without

excessive inhalation effort, freeﬂ ow, or “ﬂ uttering” of the

second-stage diaphragm. When exhaling, there should be

no ﬂ uttering or sticking of the exhalation valve. If any of

these problems occur, refer to Table 1 - Troubleshooting.

This concludes annual service procedures

for the Calypso/Titan Second Stage.

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Aqua Lung Calypso Troubleshooting Guide Page 12