Aqua Lung SEA MK Troubleshooting Guide download pdf (Page 17)

Filling the SEA with compressor ll adapter

NOTE: The Compressor Fill Adapter (P/N 1006-56)

is not included with SEA, and must be purchased

separately.

WARNING: Do not attempt to ll the SEA directly from a

compressed air lling station unless you have received

the necessary training and authorization to do so. If done

incorrectly, this procedure poses certain hazards which

may cause severe injury or death.

NOTE: Part Number 108382 does not have an on/

off valve; therefore, the pressure indicator gauge

and second stage are always active when the cylin-

der is pressurized.

1. Inspect the ll adapter to ensure that the o-ring is present

and seated evenly inside its groove, and the male tting is

clean and free of any damage to its threads.

2. Mate the male tting of the ll adapter into the high pres-

sure ll port of the rst stage, and turn clockwise only by

hand until lightly snug. DO NOT apply a wrench or other-

wise overtighten the ll adapter.

3. Loosen the yoke screw of the compressor ll yoke as

needed so that the yoke can be placed over the block of the

ll adapter.

4. While supporting the SEA with one hand, place the yoke

of the compressor ll yoke over the block of the ll adapter

to align the inlet tting ush against the valve o-ring. Tighten

the ll yoke screw clockwise into the small dimple on the

backside of the ll adapter block only until nger snug.

CAUTION: DO NOT at tempt to ll the SEA f rom a com-

pressor or air supply where the regulated pressure

exceeds 3,000 PSI/ 206 BAR. Doing so may weaken

and damage the safety burst plug assembly and/ or

SEA cylinder.

5. While holding the rst stage and ll adapter secure, turn

the SEA valve handwheel counterclockwise until it is com-

pletely open. When the handwheel is in the open position,

the red indicator ring is not visible.

6. Ensure that the SEA is supported, then turn the compres-

sor valve very slowly until it is slightly open to ll the cylinder

with approximately 500 PSI/ 34.5 BAR. Turn the ll valve

shut and wait 45-60 seconds before proceeding to ll the

cylinder any further. Repeat this procedure to ll the cylinder

very slowly in small increments of 500 PSI/ 34.5 BAR or

less, until it is lled to exactly 3,000 PSI/ 206 BAR.

WARNING: Use safety glasses when charging with HP air.

NOTE: Always ll the SEA as slowly as possible by

turning the hand-wheel of the supply valve slowly to

control the rate of ll. Rapid lling will generate heat

and will result in an incomplete ll after the cylinder

cools. If the cylinder is warm to the touch afterward,

the ll rate was too rapid.

7. To conserve the limited air supply of the SEA, it is

strongly recommended that you perform the following pre-

ight inspection of the second stage purge while the SEA is

connected to the compressor ll yoke and pressurized via

the compressor ll adapter:

a. Briey depress the purge button to ensure that suf-

cient airow is provided to clear the second stage.

b. Immediately after releasing the purge button, listen

closely to ensure that the second stage does not

continue to ow any air.

8. While holding the rst stage and ll adapter securely, turn

the SEA valve handwheel clockwise until it stops and the red

indicator is visible. Turn the compressor ll valve until it is

completely closed.

9. Hold the second stage purge button depressed until air-

ow can no longer be heard from the second stage and the

LP hose is depressurized.

10. Open the pressure relief screw on the compressor ll

yoke to relieve the line pressure.

11. While holding the SEA cylinder supported, turn the yoke

screw of the compressor ll yoke counterclockwise to loosen

until the compressor ll valve can be removed from the block

of the ll valve adapter. Return the compressor ll yoke to its

storage location.

12. While holding the SEA secure, turn the ll adapter block

counterclockwise at the tting to loosen and remove from the

rst stage.

13. Thread the port plug back into the ll port until nger

tight.

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Aqua Lung SEA MK Troubleshooting Guide Page 17

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