Gradian Universal Anaesthesia Machine, Руководство по обслуживанию

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REMOVING, INSPECTING AND CLEANING THE PRESSURE RELIEF VALVE
Materials and tools required:
g
5mm hex key
g
A 15 mm crescent wrench
g
Medical grade cotton swabs
g
Isopropyl alcohol (also know as rubbing alcohol or surgical spirit- typically 70% isopropyl and 30% distilled
water)
g
A small bowl
On occasion the 5 cmH
2
O pressure relief valve located on the top of the back bar may not perform optimally due to
accumulation of dust and other contaminants such as liquids. If you notice that the valve is not opening at
5 cmH
2
O then you will need to remove, inspect, and clean it.
REMOVING THE PRESSURE RELIEF VALVE:
1.
Turn off the UAM.
2.
Using a 5mm hex key, loosen the plug on the top of the pressure relief valve and remove it.
NOTE:
It may be possible that when removing the plug, the body of the pressure relief valve may loosen up from
the back bar. This is not a problem and in fact may allow you to do the next step by hand.