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Essential Care and Maintenance for your Poseidon MKVI Rebreather

Essential Care and Maintenance for your Poseidon MKVI Rebreather

Rebreather Girl Black with Gold SuitIf you own a Poseidon MKVI Rebreather it is important that you understand how to properly care for and maintain your unit for optimal performance and longevity. Todd Martin, Service Trainer for Poseidon Diving Systems USA has put together his recommended care and maintenance list for you to follow:
  • Rinse and dry the unit after each use
  • Only use pre-packed Manufacturer recommended scrubber
  • Never let your battery fully deplete
  • Do not remove the battery from the charger during a learn cycle 
  • Do not pull the battery while a unit is still wet
  • For long period storage either:

o   Store battery on charger with power supplied to it

o   Monthly “top off” the charge of the battery

  • Store unit in a cool dry environment
  • Ensure o-rings are clean and free of debris
  • Ensure o-rings are not cut or broken
  • Ensure sealing surfaces are clean and free of debris
  • Ensure proper o-ring lubrication with approved grease
  • Disconnect t-sections for travel or storage
  • Do not put weight on the canister housing as this may deform the canister and sealing surfaces
  • Ensure the sponge below the scrubber is clean and dry before diving
  • A complete unit servicing is required every 104 weeks (2 years) - See details for this below.


When should you bring your MKVI in for service?

Guy with Rebreather next to Girl walking into waterTo determine if your MKVI is due for service, simply take a look at your paddle and display "Test 55." If your unit has recently been serviced, Test 55 will reveal a number close to “104” which will be displayed on the bottom right of your paddle. As that number gets smaller, your attention to this “little” detail should become greater, because this number directly correlates to the number of weeks you have left until your unit needs to be serviced.  It is advised that you do not wait until your unit reads "0" to bring it in for service, rather be proactive so you can avoid your unit shutting down. 
When bringing in your MKVI to your local Poseidon Rebreather Center for service, the only things that you don’t need are the harness and the wing. Otherwise, the complete MKVI unit is needed to conduct an actual MKVI servicing. When you bring your entire MKVI unit in for service, a Certified Poseidon MVKI Service Technician will change the o-rings, service 1st/2nd stages (among other components), check the physical integrity of the unit, and finally reset the service interval on the unit so that it reads "104."  
Taking good care of your MKVI will certainly pay off in the long run. Stay safe, be happy, and enjoy the dive!
Todd Martin
Service Trainer
Poseidon Diving Systems USA