Inhoudsopgave
Advertenties
Beschikbare talen
Beschikbare talen
Sudden opening could result in a danger of fire or explosion arising from oxygen pressure
shocks. Insufficiently opening the shut-off valve could reduce the actual flow delivered.
Make sure that when venting the residual gas the surface temperature of the combination
valve and cylinder does not exceed the limited operational conditions. If this happens the
combination valve must be allowed time to recover temperature before filling is started.
The level of temperature change is dependant on many factors (residual pressure, ambient
temperature, size and material of the cylinder, type of gas, speed and duration of venting)
Venting through the combination valve quick-coupler must only be performed with an
appropriate quick coupler probe with an inner hole of 1 mm to limit flow and prevent damage
EN
to the combination valve.
6.1.4.5. Filling the cylinder
•
Ensure the shut-off valve on the combination valve is fully open.
•
Proceed with filling the gas cylinder.
•
Close the shut-off valve after filling. Do not use excessive torque (max. closing torque is 5 Nm).
•
Vent the filling connections (including the high pressure filling hose).
•
Disconnect the filling adaptor.
•
Before releasing the gas package for patient use, perform functional and leak-tight checks
(refer to appendix No. 3 "Post filling checks").
•
After completing the of tests according to appendix No. 3, return the filling port´s protective
cover. Use only the original GCE protective cover.
Pressure in the filling connections when disconnecting the filling adaptor or opening the shut-
off valve of the combination valve may cause personnel injury or damage to the combination
valve or filling adaptor.
Ensure the surface temperature of the combination valve and cylinder does not exceed the
allowed maximal limits when filling it. An increase in the temperature is affected by the size
and material of cylinder, type of gas, duration of filling and filling pressure.
6.1.5. TESTING THAT THE E-GAUGE WORKS CORRECTLY AFTER FILLING THE
CYLINDER
Perform a test to ensure the E-GAUGE works correctly after each filling of the cylinder or
changing the E-GAUGE battery:
•
Check if the E-GAUGE indicates the correct pressure parameter when the control flow head
is in position "0".
•
Check if the E-GAUGE evaluates the time of the gas supply in every control flow head setting.
•
In the case of an unexpected indication or absence of any function, discontinue the device
from service.
•
After the cylinder had been re-filled, the use of QC quick coupling may be temporarily
indicated during the subsequent cooling down process, par. 5.1.2.1
6.1.6. REMOVAL OF COMBINATION VALVE FROM THE CYLINDER
•
Observe oxygen cleanliness standards during removal.
•
Perform cylinder venting – follow Chapter 6.1.4.4, step A or B.
•
Remove the filling port´s protective cover. Some types of covers are permanently connected
to the combination valve or guard. This is to prevent its loss and such a connection should
not be broken.
•
Ensure the combination valve shut-off valve is closed.
•
Ensure the inlet pressure indicator indicates an empty cylinder. If not, the combination valve is
broken. Do not use it and send it for repair according to chapter 9.
•
Connect the filling adaptor.
•
Slowly open the shut-off valve hand wheel (anti-clockwise) until fully open - after approx. 1 turn
(see indication in the picture in chapter 5).
•
Wait until the whole package for medical gas is completely vented.
•
Close the shut-off valve (clockwise). Do not use excessive force (max. closing torque is 5 Nm).
All manuals and user guides at all-guides.com
20/132
Advertenties
Inhoudsopgave
