FIGURE 4, CONNECTING SEA FILL HOSES. Aqua Lung SEA MK

fi gure 4 fi gure 5

5.6. If the fi tting leaks, remove from the SEA and inspect threads and O-ring for damage. Replace or repair parts as needed.

5.7. Bleeder valve (712) should be closed (fi gure 5).

5.8. Slowly open the panel mounted valve (YVA3010A), counterclockwise, that corresponds to the fi ll hose(s) used (fi gure 6). There is no need to open any valve on the SEA.

5.9. Watch the SEA fi ll pressure gauge (CAG1). Fill the cylinder at a rate not to exceed 500psi per minute

(fi gure 7).

fi gure 6

5.10. After the cylinder reachs 3000psi +/- 100psi, close the fi ll valve (YVA3010A). Open the bleeder valve

(712) on the fi ll hose used to vent the pressure from the fi ll lines.

5.11. Disconnect the fi ll hose from the SEA, by rotating the fi ll adapter (PRS21) counterclockwise.

fi gure 7

6.0 REFILLING SUPPLY CYLINDERS:

6.1. Verify that the cylinders (CYL1) are within 5 years of the last hydrostatic test. Check the dated sticker placed prominently on each cylinder (fi gure 2). There is also a sticker on the cylinder neck, visible without removing MRS top plate (fi gure 3).

6.2. Visually check the observable portion of the outside of the cylinders for damage. If any is found consult manual for acceptable/unacceptable conditions. page 3