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1984 H31 Water tank top repair

Discussion in 'Mid-Size Boats' started by Reg M, Sep 10, 2016. Add this thread to a FAQ

  1. IH82BL8

    IH82BL8

    Joined Feb 6, 2013
    399 posts, 13 likes
    Hunter 31
    US Deale, MD
    it has a horizontal notch at the lowest point.
     


  2. Reg M

    Reg M

    Joined May 21, 2016
    112 posts, 5 likes
    Hunter 31
    Ca Montague, Prince Edward Island Montague
    How tight does it fit at the ends?
     


  3. IH82BL8

    IH82BL8

    Joined Feb 6, 2013
    399 posts, 13 likes
    Hunter 31
    US Deale, MD
    Maybe a 1/4" to spare. The baffle doesn't to be tight enough to seal; just close enough to keep it vertical.
     


  4. Reg M

    Reg M

    Joined May 21, 2016
    112 posts, 5 likes
    Hunter 31
    Ca Montague, Prince Edward Island Montague
    Well I finally finished this project a couple of weeks ago. I forgot to take a photo of the baffle I made but I used several layers of fibreglass cloth as well as fibreglass matt. The end product was about 5/16 in thick and I put two or three coats of gelcoat, sanding between coats. The final coat was sanded then polished a bit with 3M polishing compound. I used 3M 4200 to bed the cover, using a couple of pieces of narrow boards across the tank to set the cover on after applying the sealer to the tank lip. After it was in place on the boards I carefully removed one board and allowed the top to sit down on the sealant then removed the other board. I had filled all the problem screw holes with epoxy mixed with microballons then redrilled them when the top was in place. I did have a problem with the new inspection port top leaking and was unable to find an O ring which was slightly larger than the one that came with it so I used some permatex (very sparingly) on the O ring which solved the problem and I think I cane easily get it open when I need to. After all this I filled the tank again and found I still had a small leak from one of the hold down screws which was stripped so I replaced it with the next size screw and used some 4200 on it and that solved that problem. Here is a photo of the finish product. IMG_0133.JPG
     


  5. SailormanDan

    SailormanDan

    Joined Jan 24, 2009
    305 posts, 48 likes
    1981 Cherubini Hunter 27
    US Alexandria, VA Belle Haven Marina, VA
    Thanks for the description and photo, those will be some good tips to keep in mind when I do mine.
     



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