Functional checks
47
EN
8.2 Checking for leaks in the system
1. Open the valve of the oxygen cylinder
slowly
.
You can now read the pressure in the cylinder
from the gauge on the pressure reducer. For ex-
ample, a reading of 200 bar means that the cyl-
inder is full, whereas 100 bar means it is half full.
Always change the cylinder in good time, e.g.
when the pressure is lower than 50 bar, to en-
sure that oxygen is available for an adequate pe-
riod.
2. Close the cylinder valve again.
3. Watch the needle of the gauge on the pressure
reducer for approx. 1 minute. If it stays in the
same place, the system is free of leaks. If the
needle drops steadily, there is a leak somewhere.
Repairing leaks
Always keep a stock of
washers for the connec-
tions available.
1. Prepare a soap/water solution using non-per-
fumed soap.
2. Wet all the screw and hose connections with the
solution. Bubbles will form at the site of the leak.
3. Depressurize the system:
To do this, first close the oxygen cylinder. Switch
on MEDUMAT Easy briefly until the pressure
gauge on the O
2
cylinder reads “0”. Then switch
off MEDUMAT Easy again.
Important
The screw connections on
the oxygen lines must be
tightened by hand only.
4. If leaks are discovered, the defective compo-
nents must be changed.
5. After changing, make a fresh check for leaks.
6. If it proves impossible to eliminate the leak, the
ventilator will have to be repaired.
Summary of Contents for Emergency MEDUMAT Easy
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