unscrew the gauge hose nut with the spanner wrench size no 28, PN 400-900, and remove the gauge
complete fom the rebreather
connect the high pressure refilling hose to refilling connection
open the shut-off valve
follows the relevant instructions to refilling the cylinder.
Warning: verify the cylinder test date; discharge and replace if necessary
Checks and Fill Soda Lime Canister
unscrew the lock screw of the hose connector
remove the hoses connector complete with corrugated hoses and mouthpiece from the breathing bag.
remove the soda lime canister from the breather bag (to remove canister, take it firmly with the filler plug
in vertical position and rotating slowly the canister draw it.
Warning: make sure don’t damage the breathing bag torus gasket
unscrew the canister plug and fill, using a funnel, with the appropriate soda lime (fill the canister a bit at
a time and tap the sides of the canister to ensure that it is packed with no gaps).
Caution: soda lime dust is caustic and can cause chemical burns
Warning: if the soda lime isn’t packed tightly in the canister this can lead to “channelling”, where the exaust
gas passes trough the scrubber without coming into full contact with the carbon dioxide absorbent.
MK II Oxygen Rebreather User Manual - Revision 01/2018 - Copyrights : Dr Fabrizio Pirrello © 2001- 2018
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