Tetratec EX 700 Lid Stuck

Discussion in 'General Equipment discussion' started by Amakawa, Jun 10, 2018.

  1. Amakawa

    Amakawa

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    Picked this up as a bonus when I bought a 2nd hand tank. The lid won't come off for the life of me. Any ideas on how to get it off without destroying it? Seems someone else tried with a screwdriver....wasn't me

    20180610_152906.jpg

    20180610_152858.jpg
     
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  3. f-fish

    f-fish #unspecified

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    hot / boiling water ?
     
  4. AmithS

    AmithS

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    Try using a blade to cut the seal between the head and body. It's possible the previous owner used a gasket seal maker because they couldn't find a spare gasket due to a leak. ..
     
  5. SalmonAfrica

    SalmonAfrica Batfish

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    Are both the inlet and outlet open? If not, that could help to break the seal.
     
  6. OP
    Amakawa

    Amakawa

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    Still trying, I can see the main seal all the way around and it looks Ok, just can't get the lid to budge
     
  7. Zippy320

    Zippy320

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    If you try and force it , it might crack the canister . Have you tried heating it with a hair dryer ? I don't know if its safe to use a heat gun to heat it ( Never owned one) But heating it might loosen the rubber or glue. It looks like the previous owner glued it in place , the canister is missing its black clamp piece on the tub.
     
  8. Innocent159

    Innocent159

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    Thess buggers are a pain to open. There are 2 pair of clips. One pair is to open it. Basically once you lift all the way over the top lifts up
     
  9. Innocent159

    Innocent159

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    And in the center of the in and out is also a clip that needs to be fliped once you close the valves
    unnamed.png
    The green piece
     
  10. OP
    Amakawa

    Amakawa

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    Got it open with a heat gun and a piece of flat bar
     
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  11. Nico Hamman

    Nico Hamman

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    Was it glued shut?
     
  12. SalmonAfrica

    SalmonAfrica Batfish

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    And also importantly, could you seal it again so it can function?
     
  13. OP
    Amakawa

    Amakawa

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    Wasn't glued shut, there was so much dried gunk on the inside it just formed a cement like bond around the gasket
     
  14. Nico Hamman

    Nico Hamman

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    Can you at least use it now?
     
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  15. OP
    Amakawa

    Amakawa

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