Precision Medical Air-Oxygen Blender User Manual
Page 3

- 2 -
Air-Oxygen Blender
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 Air-Oxygen Blender from all connections prior to disassembly.
• Use Medical Air and Medical Oxygen when servicing to avoid contamination.
• The Air-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
Air-Oxygen Blender.
• It is essential to read and understand this entire manual before attempting to service
the Air-Oxygen Blender.
• If you have any questions regarding the installation, setup, operation, and/or
maintenance of the Air-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) .
• Be sure 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 Air-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.