Gasmizer Manual - Submarine Manufacturing and Products Ltd
Gasmizer Manual - Submarine Manufacturing and Products Ltd
Gasmizer Manual - Submarine Manufacturing and Products Ltd
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March 2009<br />
8.5 GASMIZER BELL CARD - ONE OR TWO DIVERS<br />
8.5.1 ONE OR TWO DIVERS<br />
NOTES<br />
• FOR ONE DIVER LOCKOUT, CLOSE TRACKING PNEUMO VALVE NOT IN USE (13) OR<br />
(14).<br />
• IF BOTH TRACKING PNEUMO VALVES ARE CLOSED THE BELL EQUIVALENT<br />
LOADING SETS SUCTION TO ZERO.<br />
1. ENSURE THAT DIVERS HAVE GAS SUPPLY TO HELMETS.<br />
2. CHECK THAT THE SAECO VALVE (4) AND (4A) ARE FULLY OPEN – SEE<br />
INDICATORS ON TOP.<br />
3. CLOSE BELL SCRUBBER VALVE (3).<br />
4. CLOSE DRAIN VALVE (7).<br />
5. CLOSE DIVER EXHAUST MANIFOLD VALVES (5) AND (5A).<br />
6. PUSH IN WATER TRAP ISOLATION VALVE (6).<br />
7. OPEN DIVER EXHAUST HULL VALVE (8) SLOWLY.<br />
8. TURN THE BPR LOADER (1) ANTICLOCKWISE UNTIL IT STOPS ROTATING.<br />
9. ADJUST THE BPR BLEED VALVE (9) TO READ 0.5 LTR/MIN ON THE BPR<br />
BLEED FLOW METER (12) ONCE SET DO NOT RE-ADJUST.<br />
10. ADJUST THE BPR LOADER (1) UNTIL THE NEGATIVE PRESSURE GAUGE (2)<br />
READS ACCORDING TO TABLE COLUMN 8 AS INSTRUCTED BY THE<br />
SUPERVISOR.<br />
11. ADJUST THE PNEUMO SUPPLY VALVE (10) UNTIL THE PNEUMO METER<br />
(11) READS 0.3 LTR/MIN.<br />
12. CONNECT EXHAUST HOSES TO JEWEL HELMET.<br />
13. OPEN DIVER EXHAUST MANIFOLD VALVE (5) AND (5A).<br />
14. DON HELMETS AND BREATH ON RECOVERY.<br />
8.5.2 TO DRAIN WATERTRAP<br />
1. PULL OUT ISOLATION VALVE (6).<br />
2. OPEN DRAIN VALVE (7).<br />
3. CLOSE DRAIN VALVE (7).<br />
4. PUSH IN ISOLATION VALVE (6)<br />
8.5.3 POSTDIVE CHECK OFF<br />
1. CLOSE DIVER EXHAUST MANIFOLD VALVES (5) AND (5A).<br />
2. CLOSE DIVER EXHAUST HULL VALVE (8).<br />
3. OPEN DRAIN VALVE (7).<br />
4. OPEN BELL SCRUBBER VALVE (3).<br />
Chap 8 Page 81 of 168 OM002 Rev 5