0 service, 1 components – AirSep MN179-1 B User Manual
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MN179-1 _ 02/14 AirSep Corp. - FreeStyle 5 Service Manual
Rev B
Do not use liquid directly on the FreeStyle 5 unit to clean it. A list of undesirable chemical 
agents includes but is not limited to, the following, according to the plastics manufacturer: 
alcohol and alcohol-based products, concentrated chlorine-based products (ethylene chloride), 
and oil-based products (Pine-Sol, Lestoil). These are NOT to be used to clean the plastic 
housing on FreeStyle 5, they can damage the units plastic. 
Clean or replace the air intake / gross particle filter with warm soapy water 
between each patient’s use. The patients should be instructed to clean this filter at 
least once per week, depending on the environment, during normal operation.
Change the felt filter after 5,000 hours of use.
Change the product filter after 10,000 hours of use. It is not necessary to change 
this filter between patients even if the previous patient had a communicable 
disease or infection.
Allow FreeStyle 5 to air dry, and then re-test oxygen concentration before 
you return the unit to your inventory.
*Make the bleach solution a 1:100 dilution of 5.25% sodium hypochlorite. Mix 
one part household bleach (e.g., Clorox with 99 parts cold tap water). To measure 
the solution easily, take 1/4 cup of household bleach, and mix it with a gallon of 
cold tap water. Allow the mixture to sit on potentially contaminated surfaces for
10 minutes.
AirSep does not recommend the sterilization of this equipment.
5.0 Service
5.1 Components
The design of AirSep’s FreeStyle 5 Portable Oxygen Concentrator allows for 
easy access and removal of most components. This allows you to perform 
scheduled maintenance and to repair and replace parts with minimal time and 
effort. 
For your safety, be sure to disconnect the FreeStyle 5 Universal AC / DC adaptor from the 
power outlet before you service the concentrator.
Note all scheduled maintenance. (Refer to Section 4.0 of this manual.)