BIRD MARK 7 - Inspiratory Power Driveline Testing and Troubleshooting

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B. CALIBRATION OF THE UNIT
2.0 AIRWAY PRESSURE MANOMETER
2.1 Using a small, thin bladed, common screw-
driver, remove the black bezel ring around the
face of the manometer.
NOTE: Insert the thin blade between black bezel ring
and manometer encasement.
2.2 Use the same screwdriver to rotate the
adjusting screw at either the 12:00 o’clock or
3:00 o'clock position, left or right as needed, to
center needle at zero.
2.3 Tap gauge to (shock needie) check for zero.
2.4 Reinstall bezel and recheck for zero.
2.5 Troubleshooting airway pressure manometer.
PROBLEM POTENTIAL CAUSE CORRECTIVE ACTION
Manometer will not 1. Internal malfunction. 1. Replace manometer (P/N
calibrate. 0145R).
Manometer will not register | 1. Tube disconnected. 1. Insure tube 25 is connected to
pressure change with manometer and centerbody.
ventilator active. 2. Internal malfunction. 2. Replace manometer
- (P/N 0145R).
„3.0 INSPIRATORY FLOWRATE
3.1 Remove INSPIRATORY FLOWRATE knob by
inserting %2" allen wrench into opening located
on side of knob.
FIGURE 36
3.2 Use 12" open end
wrench to position and
secure a single cam stop
at the 5:00 o’clock
position on the
INSPIRATORY FLOWRATE
valve. (Fig. 36)
3.3 Rotate valve stern full clockwise. Use a pen-
cil to mark end of stem at the 12:00 o'clock
position.
3.4 Rotate valve stem counterclockwise until
pencil mark is at the 9:00 position.
FIGURE 37
3.5 Apply Lubewick
(P/N 0042) to O-ring on
outside of retention cap
and carefully install
knob with index clockwise
to carn stop.
— 23 一
3.6 Insert Orificed Adapter (P/N 6855) into end
of breathing assembly and push pressure selec-
tor arm to end of medium range.
3.7 Mark 7
Cycle Respirator “ON”. Flow through orificed
adapter should register between 18-24cmH,0
on manometer. Rotate the INSPIRATORY FLOW-
RATE knob full counterclockwise; airway
manometer should now register greater than
34cmH20. 一
Mark 7A
Cycle veniilator “ON”. Flow through orificed
adapter should register between 14-18cmH。O
on manometer. Rotate the INSPIRATORY FLOW-
RATE knob full counterclockwise; airway
manometer should now register greater than
30cmH。O
3.8 Troubleshooting INSPIRATORY FLOWRATE
:5
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