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#463282 - 06/14/09 07:48 PM Boat Lift Tank Leaks Air...Help!!  
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TexasAggie Offline
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Lewisville, TX
Can you repair galvanized steel boat lifts? I have a BoatFloater model (made in ’94) and one of the tanks has a small hole near the top (traceable by the bubbles). It’s ten feet wide with a 5,000 lb capacity and is in Lewisville, TX at Pier 121.

I emailed a few welders and thought of even trying some JB Weld myself, but the problem is getting it high enough to get to the hole.

Any advice, or if you know of someone who can repair it is much appreciated….thanks. idn




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#463283 - 06/14/09 08:01 PM Re: Boat Lift Tank Leaks Air...Help!! [Re: TexasAggie]  
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D-Rod Offline
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Question 1: What caused the hole?

Corrosion? Foreign Object Strike?


-YOLO
#463286 - 06/14/09 08:28 PM Re: Boat Lift Tank Leaks Air...Help!! [Re: D-Rod]  
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TexasAggie Offline
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Corrosion, I'm thinking....not positive though since I only see bubbles from under the side of it..




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#463288 - 06/14/09 09:10 PM Re: Boat Lift Tank Leaks Air...Help!! [Re: TexasAggie]  
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D-Rod Offline
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Then you might consider pulling the entire thing (put it on the hard) to better inspect and correct all the problems ... then install proper sacrificial material (anode).


-YOLO
#463291 - 06/14/09 09:36 PM Re: Boat Lift Tank Leaks Air...Help!! [Re: D-Rod]  
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power and sail Offline
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U say the hole is near the top, but you see bubbles only from underneath, how does that work?


I would also try to inspec tthe entire tank(s) to avoid having to call the welders again.


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#463310 - 06/15/09 12:28 AM Re: Boat Lift Tank Leaks Air...Help!! [Re: power and sail]  
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TexasAggie Offline
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Originally Posted By: power and sail
U say the hole is near the top, but you see bubbles only from underneath, how does that work?


I would also try to inspec tthe entire tank(s) to avoid having to call the welders again.



Bubbles float to the top. The hole appears to be just below the surface water....have to get the boat off to physically inspect for accuracy.




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#463330 - 06/15/09 11:52 AM Re: Boat Lift Tank Leaks Air...Help!! [Re: TexasAggie]  
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Slip on some swim trunks and a swim mask.
Find the leak and run a self tapping sheet metal screw with a washer and a rubber washer on it.
Or you can pick up some pool adhesive that is made to cure underwater.

That will give you a temp fix until you can get it out and inspected. They can put 5 lbs positive pressure in the logs and spray it with soap solution.

Be a good time to repair the bunks as well.

Ya don't want to breath the fumes from galvanized metal as it is welded.

It may be a trick getting it up, if air is leaking out, water may have leaked in. There may be bung plugs on the bottom of the logs to drain it with. You would need to have the air pump running when you pull the plugs. The air will force the water out.

Don't drop the plug.


Last edited by Parrott_head; 06/15/09 11:56 AM.

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#463340 - 06/15/09 01:38 PM Re: Boat Lift Tank Leaks Air...Help!! [Re: Parrott_head]  
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PhatboyC Offline
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I have seen some stuff at the chandlery the other day to fix pipe leaks. The neat part it can bond to plastic or metal and cures underwater. They had a sample and it cures hard and was yellow in color.


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#572235 - 03/10/19 06:02 PM Re: Boat Lift Tank Leaks Air...Help!! [Re: TexasAggie]  
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GregW Offline
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Just saw this old post and having the same issue. I'm sure the cylinder is full of water at this point. There is a drain plug at the top of the back. But honestly as worn as these tanks, probably better to just replace them. Anyone ever replace old metal tanks with plastic ones?


Greg Wadley

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