Atlas Copco Oxygen Generator OGP 4

Safety Precautions: Close the generator's outlet valve and the air inlet valve and wait until machine working pressure is 0 bar. Switch off the generator. Always vent oxygen to the outside atmosphere. Avoid closing valves too fast. Smoking and the use of open flames are prohibited in the vicinity of the oxygen generator.

The zirconium type sensor does not need to be calibrated periodically because the outlet signal and the deviation are guaranteed to be stable during the 5 year lifetime of the sensor.

Set the generator in Manual mode (Operation Mode).

Close the ball valve (BA09) of the purity measurement (sample) line.

Apply calibration check gas to the sensor at 600 ml/min and a pressure of 0.35 bar(g) (5 psi(g)). Allow time (approx.15 min.) for the sensor to respond.

Confirm that the value which reads from the display corresponds to the value on the calibration gas certificate.

Disconnect the calibration check gas and reconnect the feedback line to the pressure regulator.

Open the purity measurement line ball valve (BA09)

Safety Precautions: Close the generator's outlet valve and the air inlet valve and wait until machine working pressure is 0 bar. Switch off the generator. Always vent oxygen to the outside atmosphere. Due to fire hazard, smoking and the use of open flames are prohibited in the vicinity of the oxygen generator. Avoid closing valves too fast as gas velocities in the oxygen net might become too high, and create a hazardous situation.

Generator's outlet valve and air inlet valve closed and machine working pressure is 0 bar?

Generator fully depressurized and purged thoroughly with air to remove all oxygen before service or inspection?

Oxygen vented to the outside atmosphere?

No smoking and the use of open flames in the vicinity of the oxygen generator?

Valves closed slowly to avoid high gas velocities in the oxygen net?

After maintenance activities, the service counter needs to be reset. Contact your supplier.

Generator's outlet valve and air inlet valve closed and machine working pressure is 0 bar?

Generator fully depressurized and purged thoroughly with air to remove all oxygen before service or inspection?

Oxygen vented to the outside atmosphere?

No smoking or use of open flames in the vicinity of the oxygen generator?

Valves closed slowly to avoid high gas velocities in the oxygen net?

Controller checked for information on the purity, alarms and service messages?

Safety Precautions: Close the generator's outlet valve and the air inlet valve and wait until machine working pressure is 0 bar. Switch off the generator. Always vent oxygen to the outside atmosphere. Due to fire hazard, smoking and the use of open flames are prohibited in the vicinity of the oxygen generator. Avoid closing valves too fast as gas velocities in the oxygen net might become too high, and create a hazardous situation.

Generator fully depressurized and purged thoroughly with air to remove all oxygen before service or inspection?

Check for damaged wiring or loose connections, and re-tighten

Replace the in- and outlet filter cartridges

Replace the activated carbon of the filter

Replace the pneumatic valve(s) SV05. Use only oxygen approved grease.

Clean the filter of the electrical cabinet

Replace the pneumatic valves SV01 up to SV04

Safety Precautions: Close the generator's outlet valve and the air inlet valve and wait until machine working pressure is 0 bar. Switch off the generator. Always vent oxygen to the outside atmosphere. Avoid closing valves too fast. Smoking and the use of open flames are prohibited in the vicinity of the oxygen generator.

Generator fully depressurized and purged with air?

Outlet flow after the buffer tank shut off (BA08)?

Ball valve of the purity measurement line closed (BA09)?

Generator shut down and voltage switched off?

Upload a photo of the disconnected oxygen sensor wiring from the oxygen analyzer

Upload a photo of the disconnected wiring of the oxygen analyzer

Upload a photo of the removed oxygen sensor and the oxygen analyzer from sampling system