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Help With Cleanout Plug

SamT | Posted in Construction Techniques on July 26, 2005 02:20am

Got a 4″ brass plug frozen into cast iron.

Already tried a bigger hammer.

Been told to be very careful of applying heat.

Afraid of using a torch, ‘cuz the studs are touching the pipe.

Any suggestions?

SamT

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  1. mike4244 | Jul 26, 2005 03:51am | #1

    You want the CI to expand a little with heat. You do not have to put the flame near a stud. Put heat near the cleanout plug threads, let the CI get hot.The CI will get hot all around the plug even if the heat is only placed in one spot.

    Remove the torch and try turning the plug out.If you are afraid of using a torch, this may work.Apply heat with a heatgun instead of a torch.Use wd 40 on the plug a few hours or a day before removing the plug.I have not used a heat gun for this purpose but it may work.

    mike

  2. 4Lorn1 | Jul 26, 2005 04:04am | #2

    A plumbers trick is to get a spray bottle, ones that come from cleaning compounds work well but rinse many times before changing use, and fill it with water and just a few drops of dishwashing detergent.

    Spray this liberally around where your using the heat. Spray the wood and any interior wall areas that may be exposed to the heat. Wood that is really close can be sprayed several times so the wood soaks up the water.

    Refill the bottle before using the torch so you have a full bottle handy if you need it. Keep a real, rated, fire extinguisher nearby in case it grows bigger than the spray bottle can handle.

    A simple spray bottle with soapy water is a fine tool for jobsite work. Dousing the sparks and flames, class A fires only, when they are tiny and damping down potential problems to prevent fires is smart. The simple water solution is far easier to clean up than the mess you get with a dry chemical unit.

    Of course a spray bottle is not a real fire extinguisher. Have a real, and preferably large one, handy on every job site. And when in doubt call in the FD. Sooner than later is better.

  3. User avater
    coonass | Jul 26, 2005 04:46am | #3

    SamT,
    Chisel out, replace with plastic.

    KK

    1. User avater
      SamT | Jul 26, 2005 04:56am | #4

      Got the spray bottle, WD-40, torch, ABC extinguisger, and a new plastic plug all ready.

      Gonna get some dry ice and modelers clay tomorrow.

      Got a drill too.

      Wonder if Judith has a hair dryer.

      This plug is tight!

      Tried the old 18"er and a 24lb maul. Hah! Nothing!

      I will overcome.

      But, keep the ideas coming, all are appreciated.

      SamT

      1. User avater
        BillHartmann | Jul 26, 2005 04:59am | #5

        You should be able to weaken it by drilling a number of hole near the outside edge, but just in side the CI ID.Then put a chisle near the rim and hit it and colapse it.

  4. User avater
    goldhiller | Jul 26, 2005 08:26am | #6

    I'm with Bill on this one.

    Drill a series of closely spaced holes around the perimeter (brass is soft and drills very easily) with a 3/16" bit and then smack the center with a hammer. The center will pop out and then use a punch to collapse the remaining threaded portion toward the center.

    Replace with new brass or plastic plug.

    1/4" or even 5/16" bit will work fine, too.

    Knowledge is power, but only if applied in a timely fashion.



    Edited 7/26/2005 1:35 am ET by GOLDHILLER

    1. User avater
      IMERC | Jul 26, 2005 08:52am | #7

      tighten first.. use shock...

      unscrew it using a bigger lever... 

    2. User avater
      IMERC | Jul 26, 2005 08:53am | #8

      if ya haveta drill use a hole saw... 

    3. User avater
      IMERC | Jul 26, 2005 09:28am | #9

      put the plug under tension with yur wrench before ya smack the wrench with yur BFH....

       

      Edited 7/26/2005 2:30 am ET by IMERC

      1. User avater
        SamT | Jul 26, 2005 05:03pm | #10

        Thanks, everybody,

        The consensus is destructive removal. So be it.

        SamT

        1. csnow | Jul 26, 2005 07:35pm | #11

          Hard to believe brass will not budge given enough torque.  That is the good thing about brass.  Have you snapped the head off yet?  If not, more torque!

          Or- Use an angle grinder.  Tic-tac-toe cuts around the head, and it will give easily.

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