Covidien Newport e360, Service Manual

Page: 106 / 154

Calibration Procedures
5-10 Service Manual

Note:
To calibrate air/oxygen inlet regulators, and the safety regulator, use the diagnostic mode d3 (manual flow
adjustment).
Air Inlet Regulator
1.
Connect the air and oxygen gas supplies, and AC power to the ventilator.
2.
Enter diagnostic mode by performing the procedure in section 5.4 , “ Diagnostic Mode .”
3.
Touch “Start Diagnostics” on the screen.
4.
Press the button below the Trig window. The display will blink.
5.
While the display is blinking, turn the adjustment knob to change the setting from “d0” to “d3”.
6.
Press the Accept button to confirm the selection.
7.
Press Select above the Flow/t Insp window.
8.
To select Flow , press the Accept button.
9.
To enable manual flow adjustment, press the Manual Inflation button.
10.
Press the button below the Flow / t Inst window. The display will blink.
11.
To obtain a flow of 3 L/min, turn the adjustment knob to change the setting from “0” to “3”.
12.
Press the Accept button to confirm the selection.
13.
Verify the value of Air Gas Supply is 15.5 ±0.5 psig. If not, adjust the air inlet pressure regulator:
a.
Using a 1/4” open-ended wrench, loosen the bottom lock nut (see Figure 5-3. ).
b.
Using a 1/4” open-ended wrench, rotate the top adjustment bolt clockwise to increase the pressure
or counterclockwise to decrease it.
c.
When the value of Air Gas Supply is 15.5 ±0.5 psig, secure the bottom lock nut.