Check fuel tank ,before removing.

[Outclaws]

I would like to pressure test my fuel tank before I remove it any suggestions?
Thanks

20 foot cc, 1975. I removed coffin cover, plugged hoses. How many psi 5 or ?

Will check for leaks on top, all fitting, hoses, sending etc. Anyone make up a tool for this? Thanks again, Bob

[gofastsandman]

3 PSI MAX!
Don't wanna blow welds.

HF vacuum pump works.

[Oldboat]

Yea take a few big breaths blow in your vent line and plug it. Did my new tank yesterday and it had good pressure after 1/2 hour. I wanted to see if my filter shut of valve and connections and fill spout were good before I glass deck in. It was also pressure check and certified at 5 lbs. sounds primitive but no leaks

[Vezo, Part II]

Hey Claws, does your fuel tank arrangement resemble the removal of my 1976 Seafari 20? Was a Beyotch to remove. Have not replaced this tank because this hull will be sold as is. I believe this tank held 40 gallons. This hull was an I/O.

Vezo, Part II

[Outclaws]

I was able to keep steering and wiring all together by setting the console on a 4x4 and tilting it. Gave me all the room I needed to pull the tank out. Yeah, I had to look it over to see it could be done. Not always easy, just got lucky.
Now the fill hose is hard as a rock will not flex. Where it bends 90 * , it does not want to pull out. It's in bad shape. I used a rope to pull on it with a long pry bar to break it where it bends and pulled the old hose out. Sometime you have to go for it, or it will never get done.
Got lucky again. I think I will buy a lottery ticket tomorrow. LOL
I'm a old man, so I don't want to take to long to get things done. Working on my boat is not fishing.

[cc]

We have built many fuel tanks at work over the last 40 years. All threaded fittings are plugged with caps or plugs, and hose connections are blocked with short lengths of hose with steel, plastic or wood plugs. Minimum of 3 psi, max 5 psi is put on the tank and the fill closed, leaving the tank for 8 hours to see if any pressure drop(indicates leaks) If none you are good. Most holes will usually be
pinholes in the bottom of the tank. Could immerse tank in water to check for leaks, but the tank will be buoyant by 6 to7 pounds per gallon. Hard to hold it under water.

[Outclaws]

I was going to patch my tank, it held 5 psi for 24 hours. I wire brushed it and one spot started to leak. If it was only pitted in one spot I would have taken a chance. But there were more places. So I bought a new 47 gallon aluminum tank.
Wow what a awesome tank. You can tell they know what they are doing. Sure I would have liked to have saved some money, but when you think of what could happen it's not worth it..
I had been using a portable fuel tank, always in the way, did not hold anywhere near as much fuel.

If you need a new tank for your SeaCraft , they have done a lot of them. They could build anything you need and it would be done right. Custom tanks any size. They are a first class operation, like the good old days. Also made in the good old USA. AWESOME.

http://www.lutherswelding.com/index.html
call 401 253 5550