Helio PM5500 用户手册

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7. Confirm the concentration of heliox with an Oxygen Monitor / 

Analyzer. If necessary activate the bleed flow valve to maintain 

F

 accuracy.

8. To activate the bleed, turn and rotate the knurled collar back until it 

contacts the cover.

9. To deactivate the bleed, pull and rotate the collar away from the 

cover until bleed flow valve is closed.

10. Turn “OFF” the heliox and oxygen supply or disconnect when the 

 Blender is not in use.

•  dO NOT steam autoclave.
•  dO NOT immerse the H

 Blender into any liquid.

•  dO NOT use any strong solvent or abrasive cleaners.
•  dO NOT gas sterilize with (EtO) Ethylene Oxide.
•  dO NOT clean with aromatic hydrocarbons.

1. Disconnect all gas connections and equipment before cleaning.

2. Clean exterior surfaces with a cloth dampened with mild detergent 

and water.

3. Wipe dry with a clean cloth.

The following maintenance on the H

 Blender must be performed 

by a trained service technician:

•  The alarm should be tested prior to being placed into clinical 

service and periodically there after.

•  Every year conduct the Operational Verification Procedure (OVP).

* A detailed description of the OVP tests can be found in the 

Blender Service Manual (P/N 506124), and available on the 

Internet; www.precisionmedical.com

•  Every 2 years the H

 Blender should be serviced.

PM5400 (P/N 506125) 

PM5500 (P/N 506212)

•  Refer to the H

 Blender Service Manual (P/N 506124) for 

complete details regarding further maintenance and testing.