Gasmizer Manual - Submarine Manufacturing and Products Ltd

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