Chapter 9: Calibration / adjustment
Fresenius Medical Care 4008 S (Version V10) SM-EN 7/01.13 9-43
9.2.2 Degassing pump pressure
Measuring equipment UMED, HMED or pressure gauge
Measurement point Hydraulics, measurement port D
Check / adjustment Checking the degassing pump pressure:
– Connect the measuring equipment to measurement port D.
– Measure the pressure of the degassing pump.
Desired value of degassing pump pressure: –0.81 bis –0.85 bar
If it deviates from the desired value, the pressure of the degassing
pump must be adjusted.
Adjusting the pressure of the degassing pump:
– Enter the CALIBRATION service menu, select and start the option
CAL. DEGAS. PRESSURE
(see Part 7: Calibrating the degassing pressure page 9-13).
Note
If the pressure of the degassing pump was changed, make sure to
check the loading pressure and readjust, if necessary.