Gasmizer Manual - Submarine Manufacturing and Products Ltd

March 2009
8.5.4 Shutdown Procedure
1. Recover diver to bell and carry out post dive check off list.
2. Switch off gas booster.
3. Shut off O 2 and HeO 2 make up gas on control console.
4. Turn off control console power.
5. Shut off cooling water supplies to Booster and Reprocessing Unit.
8.5.5 To change Soda lime
1. Close inlet to canister.
2. Close outlet from canister.
3. Open drain valve at base.
4. Unscrew top cap by hand when canister is fully vented.
5. Place cap in box provided.
6. Remove canister using handle.
7. Remove handle and top gauze, and empty contents.
8. Set empty canister in filling stand.
9. Fill half full with soda lime.
10. Add only one cupful of Purafil at 2/3 full.
11. Fill to two thirds full with soda lime.
12. Add one cupful of Purafil.
13. Fill to top with Soda lime.
14. Replace handle and top lid.
15. Lower inner canister slowly into outer canister.
16. Replace top cap. It is O-ring sealed and seals when finger tight.
17. Close drain valve at base.
18. Open INLET valve on the LEFT SLOWLY.
19. Open OUTLET valve on the RIGHT SLOWLY.
20. Write hour meter reading of canister change on the control console in diver
control.
8.5.6 Changing Depth
The make-up panel is provided to allow the oxygen content of the breathing gas to be
altered rapidly to a new diving depth. To increase the oxygen content in the system,
the following procedure should be followed.
Chap 8 Page 83 of 168 OM002 Rev 5