Adjusting The Product Regulator For Normal Operation; Pressure Regulator Replacement; Flapper (Check) Valve - CAIRE Companion 5 Provider Technical Manual

Adjusting the Product
Regulator for Normal Operation
1. Disconnect the humidifier bottle, if used, and the tubing
from oxygen outlet.
2. Remove the outer case.
3. Connect the electrical cord to a power source.
4. Set the unit's I/0 power switch to the "I" position, and
allow unit to run at least ten minutes to build up pressure.
5. Turn the flow meter adjustment knob counter-clockwise
until it reaches 5 LPM.
6. Install pressure gauge as directed in the Outlet Pressure
Test section.
7. Turn the adjustment screw using a 3/32" Allen wrench
until the outlet pressure is 4.6 psig (31.7 kPa).
8. Remove the test pressure gauge and replace the outer
case.
9. Perform flow rate test to ensure flow rates are still within
specifications.
Oxygen Concentrator

Pressure Regulator Replacement

1. Press the power switch in the "OFF" position and unplug the
electrical cord.
2. Remove the outer case.
3. Disconnect the clear tubing from the regulator.
4. Turn the regulator counter-clockwise to disconnect it from
the sieve bed base.
5. . To replace, reverse steps 1–4.

Flapper (Check) Valve

1. Press the power switch in the "OFF" position and unplug
the electrical cord.
2. Remove the outer case.
3. Disconnect the clear tubing from each side of the flapper
valve that will be replaced.
4. Remove the flapper valve from the concentrator.
5. To replace reverse steps 1–4.
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