Gravity Zero MK II - Final Leak Check; Dive Procedures; Donning the Rebreather

 screw the plug, verify the canister O ring (discharge and replace if necessary) and put the canister into
the rebreathing bag.
 verify the seating of canister, put down with care the canister and insert the torus gasket in the seating
 install the hoses connector complete and turning gently the same assuring that the gasket goes into filter
seating.
 lock with the screw
Final Check
Once you have completely assembled the rebreather, test it to ensure there are no leaks
 make sure that the four way valve is turned in closed position (lever in down position)
 slowly open the shut-off valve
 push down the bypass button and inflate moderately the breating bag
 submerge the rebreather in a tub of water and looking for leaks
 if a leak is detected, it is necessary locate and repair it before the dive
Leaks can occur any number of places; check the breathing bag and hoses for punctures; check all the fitting
and hoses connector to make sure they are properly closed.
6. DIVE
Donning the Rebreather
MK II Oxygen Rebreather User Manual - Revision 01/2018 - Copyrights : Dr Fabrizio Pirrello © 2001- 2018
Figure 6 b, Tapping Soda Lime Canister