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If you need to replace the battery of the Puritan Bennett 540, use this guide to access the battery from the rear end of the device. You will need a Torx T10 screwdriver to remove the battery cover and will need to have a 25.5V lithium-ion battery ready for replacement. There are no difficult steps, but be sure to be careful with unscrewing the cover and make sure you keep track of all of the screws, as you will need them to put the device back together.
Warning:
- The ventilator must be disconnected from all external power supplies and be turned off during this operation.
- Batteries should be disposed of according to environmental legislation in your country and locality.
- Never expose any batteries to direct flame.
- Never touch the ventilator’s internal components, including the battery, and the patient simultaneously.
For more information on replacing the battery, please refer to page 6-6 (figure 6-1) in the service manual.
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Place the ventilator on a work table.
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Remove the three screws (item one) securing the battery cover with a Torx T10 screwdriver. These screws consist of two Torx head screws on the back panel and one Torx head screw on the bottom of the ventilator, as shown (depends on the version of the device).
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Slide the battery cover ( item 2) off by pulling it towards the back of the ventilator.
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Remove the old battery ( item 3) from the battery cover.
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Remove the replacement battery from its package and install it into the battery cover. Make sure you remove the pull tabs (if they are present) from the battery’s contacts.
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Place the battery cover containing the replacement battery back onto its slide rails within the ventilator.
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Note: Push on the battery cover from the rear towards the front when tightening screws to make sure nothing breaks.
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To reassemble your device, follow these instructions in reverse order
To reassemble your device, follow these instructions in reverse order
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