Mindray A7 Service Manual

A7™ Service Manual 046-006272-00 5 - 41
Repair and Troubleshooting Pneumatic Circuit System Problems
FIGURE 5-29
5.3.3 Anesthetic Gas Delivery System
The following table lists anaesthetic gas delivery system related failures.
Failure description Possible cause Recommended action
Leak The O2 flush button assembly leaks.
Replace the seal on the O2 flush button
assembly or replace the O2 flush
button assembly.
The system switch assembly leaks.
Replace the seal on the system switch
assembly or replace the systems switch
assembly.
The vaporizer is installed improperly,
which results in leak.
Re-install the vaporizer.
The seal between the vaporizer manifold
assembly and the vaporizer is damaged.
Clean or replace the seal. The seal
should be replaced at least once per
year as required.
The seal between the vaporizer manifold
inside and the connection or the rubber
plain washer between the vaporizer
manifold inside and the spring is
damaged or dirty.
Clean the sealing part or replace the
damaged seal and rubber plain washer.
The vaporizer manifold assembly is
damaged.
Replace the vaporizer manifold
assembly.
The total flowmeter leaks. Replace the total flowmeter.
The flow regulator leaks. Replace the flow regulator.
The pressure relief valve at the breathing
connection leaks.
Check and replace the defective
pressure relief valve.
The CGO assembly leaks. Replace the CGO assembly.
The fresh gas connections of the circuit
adapter assembly leak.
Check the seals and tubes at the fresh
gas connections. Replace the defective
parts and re-install the parts.

Mindray A7 Specifications

General

Brand	Mindray
Model	A7
Category	Medical Equipment
Language	English