ELT ELT406GPS - Battery Replacement

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8.6 Battery Replacement
During routine battery replacement, an inspection should be made inside the battery cavity for
signs of corrosion or any residue that is out of place. Should any be found contact the
manufacturer for further instructions.
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2... 
   
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No rechargeable batteries are installed in Emerging Lifesaving Technologies ELT s; therefore,
CAR V Standard 571 Appendix G part 4 does not apply.
    
2...  
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Emerging Lifesaving Technologies 406 ELT batteries have a life limit. That limit (or
replacement date) is marked on the outside of the battery pack and a sticker is supplied for the
aircraft records. The internal battery clock will indicate during self-test if a minimum of 36
hours of normal operation is still available. The type, make, model of ELT and the expiration
date is indicated on the battery pack. Only Emerging Lifesaving Technologies approved
batteries with the appropriate sticker can be used in Emerging Lifesaving Technologies ELTs.
See section 4.4.1 for battery replacement and section 6.1 for self test.
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  
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Transport Canada has required that the battery pack must be replaced in the event of any of the
following:
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
  
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