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05-20-2018, 06:03 PM
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#1
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Senior Member
City: SF
Join Date: Apr 2018
Posts: 125
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What epoxy for Lehman holding tank
Looking for recommendations on what metal epoxy to use for the ADC holding tank overflow cap neck retrofit. Who has used what with best success? Brian at ADC said the product he was recommending is no longer avalible so I’m looking for suggestions. Will be first time doing this so any pointers also appreciated.
Thanks!
CEC
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05-20-2018, 06:28 PM
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#2
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Moderator Emeritus
City: Au Gres, MI
Vessel Name: Black Dog
Vessel Model: Formula 41PC
Join Date: Jul 2015
Posts: 21,129
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I am going to have to do one of mine. Be interested in the answers to this.
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05-20-2018, 06:35 PM
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#3
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Guru
City: Brookline, NH
Vessel Name: Shalloway
Vessel Model: Defever 44, twin Perkins
Join Date: Sep 2013
Posts: 2,259
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This is what was recommended to me 3 years ago and it works great. No problems.
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05-20-2018, 06:36 PM
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#4
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Enigma
City: Slicker?
Join Date: Oct 2007
Posts: 16,540
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Greetings,
Mr.CEC. Good modification. Alas mine were already done but I've always had good results with JB weld. Perhaps ask Brian if this would work.
Edit: Aw SNAP!!! Missed it by one minute...
__________________
RTF
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05-20-2018, 06:42 PM
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#5
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Guru
City: Sarasota,FL/Thomasville,GA
Vessel Name: Steppin Stone IV
Vessel Model: Marine Trader Kelly Trawler 46
Join Date: Jul 2013
Posts: 1,815
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+1 on Marine weld but go with the self mixing syringe
__________________
Alan
Skype roatan63
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05-20-2018, 06:48 PM
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#6
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Senior Member
City: SF
Join Date: Apr 2018
Posts: 125
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I’m wondering why something like this would not be the best way to do it https://www.amazon.com/gp/aw/d/B016S...pair+kit+torch
Marine weld looks like good stuff I’ll probably use that. It’s just something about epoxy vs braze why not braze with something like the above link?
Thanks for the feedback that’s what I wanted to hear about the JB.
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05-20-2018, 06:52 PM
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#7
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Moderator Emeritus
City: Au Gres, MI
Vessel Name: Black Dog
Vessel Model: Formula 41PC
Join Date: Jul 2015
Posts: 21,129
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I would rather use epoxy than use a torch in my engine room. Less chance of things going wrong.
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05-20-2018, 07:35 PM
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#9
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Senior Member
City: SF
Join Date: Apr 2018
Posts: 125
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Now I just need to figure out where the expansion tanks will fit into the mix. I’m ordering the parts tomorrow. Both caps need replaced so I figure nows the time to tackle this one. Thanks for the pointer on JB I just ordered it.
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05-20-2018, 07:40 PM
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#10
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Senior Member
City: SF
Join Date: Apr 2018
Posts: 125
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Quote:
Originally Posted by Comodave
I would rather use epoxy than use a torch in my engine room. Less chance of things going wrong.
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The fills are right under the hatch’s basicly 3” below the floor so I’d be sitting on the floor doing it. Map gas torch would not be a problem for me. ADC recommends epoxy so I’m not going to try reinvent another way. That low temp brazing stuff might work well in other repairs though.
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05-20-2018, 08:07 PM
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#11
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Moderator Emeritus
City: Au Gres, MI
Vessel Name: Black Dog
Vessel Model: Formula 41PC
Join Date: Jul 2015
Posts: 21,129
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Don’t forget to drill the new neck for the overflow hose.
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05-20-2018, 09:19 PM
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#12
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Guru
City: Trenton
Join Date: Apr 2012
Posts: 1,521
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JB Weld holds my entire boat together. It started over 20 years ago with the new expansion tank neck and now I'm using it to fill the voids in my teak. Almost matches.
__________________
Al Johnson
34' Marine Trader
"Angelina"
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05-21-2018, 06:04 AM
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#13
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Guru
City: Ft Pierce
Vessel Name: Sold
Vessel Model: Was an Albin/PSN 40
Join Date: Oct 2011
Posts: 28,119
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I used Marine Tex. So far, 2 yrs,1000 hrs, 2 round trips to Fl from Jersey.
Most likely good proceedure is more important than product.... as long as it is a time tested product.
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05-21-2018, 06:06 AM
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#14
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Guru
City: Sarasota,FL/Thomasville,GA
Vessel Name: Steppin Stone IV
Vessel Model: Marine Trader Kelly Trawler 46
Join Date: Jul 2013
Posts: 1,815
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Quote:
Originally Posted by CEC
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Yes this and not the 2 separate tubes it makes it easier to get tight spots
__________________
Alan
Skype roatan63
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05-21-2018, 07:18 AM
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#15
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Grand Vizier
Join Date: Jan 2010
Posts: 3,815
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Quote:
Originally Posted by CEC
Now I just need to figure out where the expansion tanks will fit into the mix. I’m ordering the parts tomorrow. Both caps need replaced so I figure nows the time to tackle this one. Thanks for the pointer on JB I just ordered it.
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Folks swear by JB marine weld, but it is just epoxy with barium sulphate dust mixed in to provide a structural base. You can make tubs of the stuff much cheaper with West System epoxy and 404 high density filler that will provide the same physical characteristics - the only difference being the filler for the epoxy used.
An alternative that is stronger structurally that can be used depending on a repair is regular two part epoxy soaked in cloth strips molded around what is being repaired (wear thin rubber gloves). You can certainly use epoxy cloth, but the loose threads can be a nuisance. Depending on where the break is that may not work in this case, but where applicable, makes a repair that isn't likely to break loose.
__________________
"Dad always thought laughter was the best medicine, which I guess is why several of us died of tuberculosis." - Jack Handey
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05-21-2018, 11:51 AM
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#16
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Senior Member
City: SF
Join Date: Apr 2018
Posts: 125
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I already got the JB, but good to know Delfin. I already have the 404 I could have just made it. Thanks for all this info.
The two kits are ordered I should get to install by the weekend.
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05-21-2018, 12:15 PM
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#17
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Moderator Emeritus
City: Au Gres, MI
Vessel Name: Black Dog
Vessel Model: Formula 41PC
Join Date: Jul 2015
Posts: 21,129
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Let us know how it goes.
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