Mindray A7 Service Manual

A7™ Service Manual 046-006272-00 5 - 45
Repair and Troubleshooting Pneumatic Circuit System Problems
FIGURE 5-34
11. Release the negative pressure ball. If the negative pressure ball is fully expanded within 30
seconds, it indicates that the total flowmeter leaks.
12. Re-connect tube 25. Disconnect tube 58 and pull out its end connecting the back pressure
valve. Disconnect tube 26 and pull out its end connecting the total flowmeter.
13. Occlude the pulled-out tube end on the back pressure regulator by using one 3126-08-00 tube
plug and connect the negative pressure ball to the pulled-out end of No.26 PU tube through
3106-06-08 adapter connector.
FIGURE 5-35
14. Compress the negative pressure ball to bleed the air inside.

Mindray A7 Specifications

General

Type	Anesthesia Workstation
Brand	Mindray
Model	A7
Display	15-inch color touchscreen
Oxygen Flush	Yes
Gas Inlets	O2, N2O, Air
Ventilation Modes	SIMV, PSV
Breathing System	Integrated
Gas Monitoring	O2, CO2, N2O
Monitoring Parameters	FiO2
CO2 Monitoring	Mainstream or Sidestream
Power Supply	100-240 V, 50/60 Hz