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Thread: Protank Cotton Rebuild, the way I do it

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    Full Member metalhed73's Avatar
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    Default Protank Cotton Rebuild, the way I do it

    Seen a lot of questions regarding rebuilding protank/evod/every clone that takes them heads. So i figured I would post up my process and what I have learned so far.

    What you will need:
    20130903_111357.jpg

    Disassemble the head:
    20130903_111457.jpg

    Wrap the coil on the drill bit:
    20130903_111842.jpg

    Put Coil in the head:
    20130903_111924.jpg

    Insert rubber insulator and bottom pin, remember one wire out side the insulator and one through, then insert pin:
    20130903_112147.jpg
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    Full Member metalhed73's Avatar
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    Pull Some cotton off of the ball, you really don't need much:
    20130903_112247.jpg

    Roll the cotton into a thin wick with one end tapered to make it easier to thread through the coil:
    20130903_112327.jpg

    Thread through the coil until you encounter resistence enough to move the coil instead of sliding cotton through (this would be the time to make final adjustments to the coil if needed):
    20130903_112427.jpg

    Trim Cotton:
    20130903_112517.jpg

    Insert chimney and slide on rubber grommet:
    20130903_112605.jpg



    At this point all you need to do is let it soak in a tank for a few minutes (doesn't take long with cotton) and enjoy the clean flavor of cotton.

    Some side notes:

    If you are getting gurgling or flooding at first give it some time before you consider adding any cotton flavor wicks to stop it, the cotton will expand as it completely soaks.

    Do not over compress the cotton to get it small enough to thread in, if you do it will expand in the coil and can choke off some of the wicking causing dry hits and poor performance.

    Never dry burn cotton, if flavor is tapering off do the following:

    gently pull wick out of coil
    dry burn coil (careful 32awg Kanthal will break if heated to much)
    roll new wick with above technique
    insert new wick
    soak and vape

    Edit: I realize the rubber grommet is not on the last pic but I do put it on and have not had any issues.
    Last edited by metalhed73; 09-03-2013 at 05:34 PM.
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    What's the average resistance after the rebuild?

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    I have been using cotton for my rewicking. What am I doing wrong, the atomizer continually drips on to the post of my ego twist?

    I also have the Evod have no issues rebuilding or leaking or what you call flooding?

  7. #5
    Full Member metalhed73's Avatar
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    1.8ohms average

    The amount of cotton is the difference between flooding (gurgling sound and poor atomizer performance) and good performance.

    If it is leaking through to the battery connector you either don't have the "chimney" seated all the way or your head is not screwed into the tank base all the way. Also make sure the rubber insulator is in the correct way and seated all the way into the coil head.
    Last edited by metalhed73; 09-04-2013 at 02:07 AM.
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    Whats the size of the drill bit?

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    Full Member metalhed73's Avatar
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    Sorry it is hard to see in the picture but it is a 5/64" drill bit

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    This is the best and easiest way to rebuild the head I have followed so far! I am a newbie but have tested building using 2mm Silica and 3mm Ekowool and although my first one from each were really good ones, cannot compare them to the cotton made.
    It has to do with someone's experience for sure but using this process I built 5 heads in just 10 minutes, could not believe it, all at average 1,8ohms, looking and working perfect.
    The taste of my liquids are better than ever!
    I do not have so thick drill bit but I believe that anything that can "just" fit in the head spaces can be used, I am using a piece of rounded pc psu power cable and it works.
    Was thinking to use also SS mesh before but thanks to you Metalhed I can stay with cotton - fast made - and really working ones!

    Also I was going to ask your vaping style and after how many days do you need to rebuild but who cares! It's a 2 minutes job!
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    My protanks are travelers I usually rock a rda or genesis at home, thanks for the kind words most of my technique has been cobbled together off of this forum so I certainly can't take all the credit.

    If I am vaping heavy I might have to replace the wick once every 2-3 weeks and coil on twice that interval. I have about 7 heads and when I load my last good one I rebuild them all.

    sent in a scroll hidden in a .45acp hollow point

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    ill have to try it that way.....i tried wrapping the wire around the cotton and got it too tight which gave me dry burns......so i just stuck with silica wick.....but i will try this on my next rebuild.....thanks

    "
    Death is only one mistake away"
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