Einleitung
A clean filter is necessary for the function of your Puritan Bennett 540. If your ventilator is being used outdoors, check your filter every week. If it is used indoors, you only need to check it every month.
Warnings:
- The air inlet filter cannot be cleaned or fixed, you must replace it if you are having a problem
- Your ventilator must have a filter in it
- Do not operate the ventilator with a dirty filter, you need to replace it
- If your ventilator is installed directly on a wheelchair, check it more often than recommended
For more information on replacing the air inlet filter, please refer to page 8-2 (figure 8.1) in the service manual.
Ersatzteile
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Remove the filter and discard it. Do not save it. When removed, it should look like the attached image.
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Place the new filter in the device by making sure that:
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a. The fine particle side of the filter faces outwards, away from the ventilator.
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b. The filter is properly installed in its housing. Proper installation of the filter prevents particles from entering the device. Remember that the air inlet filter is not reusable; do not wash, clean, or reuse it!
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There is no reassembly needed after replacing the inlet filter.
