Mindray North America 800 MacArthur Blvd. Mahwah, NJ 07430 Tel: 201.995.8000 www.mindray.com 0002-08-1659 Rev. A
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9. Connect the tube #60 (Green) to the Air cylinder yoke. Connect the opposite end of hose #61 (Green) to
the X-piece (connected to hoses #54, #37 and #125).
10. Reinstall the yoke panel, the rear cover panel and service door according to the steps #3, #2, #1.
11. Perform the following Pneumatic Tests:
a) Remove the O2 and AIR cylinder from the anesthesia system.
b) Connect the O2 and AIR line pressure hoses to the line pressure inlet on the anesthesia system.
c) Pinch the O2 line pressure hose.
d) Remove the O2 line pressure hose from the line source while keeping the hose pinched. The
pressure measured on the line pressure gauge on the front of the unit should not fall more than 10
psi per 100 seconds (2 psi per 20 sec).
e) Release the O2 line pressure hose.
f) Pinch the AIR line pressure hose.
g) Remove the AIR line pressure hose from the line source while keeping the hose pinched. The
pressure measured on the line pressure gauge on the front of the unit should not fall more than 10
psi per 100 seconds (2 psi per 20 sec).
h) Release the AIR line pressure hose.
i) Reconnect the O2 and AIR line pressure hoses and remove the pinch in the hose.
12. Perform the following Internal Gas Connections Test:
a) Close and remove all gas cylinders from the anesthesia system.
b) Connect only the O2 line pressure hose to the anesthesia system from the wall supply. Leave all
other line pressure hoses disconnected.
c) Turn the unit on and set the A7 in BFCS mode, Rotate the O2 needle valve knob to ensure a
continuous flow increase throughout its full range. Set the O2 flow to 2L/min.
d) Fully rotate the AIR needle valve knob and verify that there is no increase of total flow. Close the AIR
valve.
e) Disconnect the O2 line pressure hose from the anesthesia system, and connect the AIR line pressure
hose from the wall supply.
f) Rotate the AIR needle valve knob to ensure a continuous flow increase throughout its full range.
g) Set the AIR flow to 2L/min.
h) Fully rotate the O2 needle valve knob and verify that there is no increase of total flow.
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