Checking The System For Leaks - Weinmann OXYWAY Series Description And Instructions For Use

6.2 Checking the system for leaks

1. Close the system behind the pressure reducer, e.g. by switching off all connected de-
vices or by closing the valves on the distribution unit.
2. Check that all screwed unions and tube connections are firmly attached. If necessary,
tighten them by hand.
5. Observe the needle of the contents gage 1 for about 1 minute. If the position of the
needle stays constant, the system is free from leaks. If the needle falls steadily, there is
a leak in the system.
Rectifying leaks
We recommend you keep a stock of replacement seals for the connectors.
1. Prepare a soapy solution using unperfumed soap.
2. Open the oxygen cylinder.
3. Wet all the screwed unions with the solution. If bubbles form, this indicates a leak.
4. Release the pressure in the system:
Close the oxygen cylinder valve. Briefly switch on the connected device until the con-
tents gage 1 reads "0". Then switch off the connected device.
Caution!
The screwed unions of the oxygen pipes must be tightened only by hand.
5. If there is a leak, remove the faulty seals and replace them with new ones (see "8.2
Replacing sealing ring" on page 26).
6. Then check for leaks again.
7. If the leak cannot be rectified, the unit must be repaired.
22 EN
Functional Checks
3. Slowly open the valve of the oxygen cylinder. You can
now read the cylinder pressure on the contents gage 1
of the pressure reducer. For example, a reading of 200
bar means that the cylinder is full, a reading of 100 bar
that it is half full.
You should change the cylinder in good time, e.g.
when the pressure falls below 50 bar, to ensure a suffi-
ciently long operating time.
4. Close the cylinder valve again.