Warning, Caution, Service warning – Precision Medical HeliO2 Blenders User Manual
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Heliox / Oxygen Blender Service Manual
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SECTION 1: SAFETY INFORMATION - WARNINGS AND CAUTIONS
WARNING
Indicates a potentially hazardous situation which, if not avoided, could result in
death or serious injury.
CAUTION
Indicates a potentially hazardous situation which, if not avoided, may result in
minor or moderate injury.
WARNING
Disconnect the Heliox-Oxygen Blender from all connections prior to disassembly.
Use Medical Heliox and Medical Oxygen when servicing to avoid contamination.
The Heliox-Oxygen Blender should be serviced by a qualified service technician.
An Oxygen Analyzer/Monitor must be used to verify Oxygen concentrations.
When reassembling the Blender, do not pressurize the system until the retaining screw of the
Proportioning Module has been fully tightened. The Proportioning Module can be forcefully ejected
by gas pressure if not sufficiently tightened.
Always follow ANSI and CGA standards for Medical Gas Products, Flowmeters and Oxygen Handling.
When servicing requirements of Directive 93/42/EEC concerning medical devices and all
International Standards apply. (On CE marked devices ONLY)
DO NOT obstruct the alarm.
Oxygen Concentration Dial does not rotate 360 degrees. Rotating the dial less than 21% or over
100% Oxygen will damage the Blender.
Service Warning
This Service Manual is provided for your safety and to prevent damage to the Heliox-Oxygen
Blender.
It is essential to read and understand this entire manual before attempting to service the Heliox-
Oxygen Blender.
If you have any questions regarding the installation, setup, operation, and/or maintenance of the
Heliox-Oxygen Blender, contact Precision Medical, Inc.
CAUTION
Use recommended lubricants sparingly as lubricant may migrate to other areas and cause the
Blender to malfunction.
When pressurizing the Blender inlets, avoid pressure surges greater than 100 psi (6.9 bar) .
Ensure all connections are tight and leak free before returning to service.
Store Blender in a clean, dry area when not in use.
DO NOT steam autoclave.
DO NOT gas sterilize with (ETO) Ethylene Oxide.
DO NOT immerse Heliox-Oxygen Blender into any liquid.
DO NOT use if dirt or contaminants are present on or around the Blender or connecting devices.
DO NOT clean with aromatic hydrocarbons.