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Zinc removal F60TLR

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  • Zinc removal F60TLR

    One of the zinc's on my transom bracket is pretty badly corroded.
    there are 2 stainless bolts holding it in place.
    I was going to hit it with some penetrating oil and let it soak a while.
    any tips to avoid breaking off the bolt ?
    Attached Files
    Last edited by dark_star; 06-22-2017, 10:44 AM.

  • #2
    I assume you have tried to loosen it? I wouldn't use anything bigger than a 1/4 ratchet to be safe. Give the penetrating oil a few days. No reason to hurry at this point. Tough to use heat right next to gel coat.

    If they snap, it would be fairly easy to drill those if this is a typical bracket anode.
    Last edited by pstephens46; 06-21-2017, 08:03 PM.

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    • #3
      Originally posted by pstephens46 View Post
      I wouldn't use anything bigger than a 1/4 ratchet to be safe. Give the penetrating oil a few days. No reason to hurry at this point. Tough to use heat right next to gel coat.
      much excellent advice IMO

      Originally posted by pstephens46 View Post
      If they snap, it would be fairly easy to drill those if this is a typical bracket anode.
      this, I would like to learn about

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      • #4
        From an access standpoint how bad could it be?
        You may be on your back but not that big a deal. Certainly less critical than drilling out head bolts.

        Second thought, if it was my boat, I might try a little heat with this micro torch I have. To avoid the broken bolt in the first place.
        Last edited by pstephens46; 06-21-2017, 08:44 PM.

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        • #5
          I was very pleased - and surprised - that I was able to back out these bolts
          (IIRC 3 of the 4 sheared off)





          PB Blaster, patience, vise grips, and for one,
          I filed flats on the stump and grabbed it with a tap handle

          I was not looking forward to trying to "drill them out".
          impossible to get the bit started on-center,
          and it skates off the bolt into the softer aluminum anyway.

          Plus the inner bolt is so close to the transom,
          no way to get a straight shot at it with a drill..

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          • #6
            Why remove/replace a zinc anode that is still there just doing it's job of corroding before other metallic parts?....maybe clean it with a wire brush and then go fishing....

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            • #7
              Originally posted by robert graham View Post
              Why remove/replace a zinc anode that is still there just doing it's job of corroding before other metallic parts?....maybe clean it with a wire brush and then go fishing....
              you are right, Robert

              some of us struggle - unsuccessfully - against obsessive-compulsive disorder...

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              • #8
                I posted on another forum regarding my new aluminum alloy tab anode not eroding much at all compared to my old zinc tab. The zinc tab would last maybe two years, this new one may last 3 times that. I was concerned it may not be protecting as well since it didn't appear as "active".

                Parker Yacht guy, who I believe is a Yam MT, says the real test is to weigh the anode. 50% weight loss = time to replace. Who knew we needed to weigh them prior to installing?

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                • #9
                  Originally posted by robert graham View Post
                  Why remove/replace a zinc anode that is still there just doing it's job of corroding before other metallic parts?....maybe clean it with a wire brush and then go fishing....
                  I attached a couple pics to my original so you can see the deterioration

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                  • #10
                    Originally posted by dark_star View Post
                    I attached a couple pics to my original so you can see the deterioration
                    LOL! you got your money's worth from that anode

                    I don't think anyone would accuse you of changing it "prematurely"

                    The bolts look great, anyway

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                    • #11
                      Originally posted by fairdeal View Post
                      LOL! you got your money's worth from that anode

                      I don't think anyone would accuse you of changing it "prematurely"

                      The bolts look great, anyway
                      funny thing, the one on the other side of the bracket looks fine.

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                      • #12
                        At least he doesn't have barnacles growing on it.

                        There is one odd creature though

                        Last edited by pstephens46; 06-22-2017, 02:04 PM.

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                        • #13
                          Originally posted by dark_star View Post
                          funny thing, the one on the other side of the bracket looks fine.
                          silly me!

                          not familiar with the F60 - didn't know there were two separate parts-

                          I thought I was seeing a regular "handle anode" - with all of it eaten away except the ends!



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                          • #14
                            No, there are 2 of these
                            Attached Files

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