Dive Rite O2ptima User's Guide download pdf (Page 17)

O2ptima Manual –User Guide – Rev 1.2 Page 17 of 26

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Asseer & Associates, 5609 Power Road, Ottawa, Ontario, K1G 3N4

completely remove O2 cells and disk by disconnecting the wiring harness. Spray

disinfectant on a cloth and clean the bottom of the head. WARNING: YOU WILL NEED

TO RE-CALIBRATE O2 CELLS ONCE THE HARNESS HAS BEEN

DISCONNECTED.

3.2. Storage

If storing the O2ptima CCR for any extended period of time, store the unit in a clean and

dry environment. All hose connections containing o-rings should be disassembled and the

canister should be in a disassembled state. The batteries should be removed from the

electronic handsets and the battery caps should remain off the handsets.

IMPORTANT: Once activated, oxygen cells will continue to react with the ambient

atmosphere. When re-assembling your unit, verify that all the cells are still functioning

within spec.

3.3. O2 Sensors

The O2ptima CCR uses Teledyne R22D oxygen sensors. Sensors should be replaced as

degradation of the cell takes place. If a cell has degraded past safe levels, it will not

calibrate for this cell. This can also be seen when using the MV Display function on the

handsets (see HammerHead manual for further detail).

3.4. DSV (Diver Supply Valve)

The DSV has two mushroom valves in order to control direction of inhalation and

exhalation. Regular maintenance includes inspection of the valves and replacement if

necessary. In order to inspect the valves loosen the hose clamps attaching the front

breathing hoses and remove the hoses. You can now access and remove the mushroom

valves from each side.

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Dive Rite O2ptima User's Guide Page 17