doublewide
Senior Member
...cut out the area and weld in a patch panel......
I was thinking about that.
...cut out the area and weld in a patch panel......
The problem is it's a gas tank ........
I almost blew my young self up when I was repairing a leak on my Volvo 265 station wagon's gas tank (hand me down car.) I thoroughly washed it out or so I thought. I was going to solder or braze the crack and when flame got close there was a huge whoosh and orange flame out the filler neck. After my near death experience and gas tank fix I found out there was a recall on the tank.
It's diesel.
The last used tank i bought was over $400.00.......
That would have been the most important thing to mention in your first post! Older single axle truck I think everyone figured it was for gasoline not diesel. Fuel tank is too vague and 22 posts before you mention it's for diesel? ......
Yup Old Doug, I kinda think that's more like what the price would be around here. I don't think I'd be as lucky as Crane Op to find one for a Franklin. At that price, I should just spend a little more and buy a new one like this;
https://www.4statetrucks.com/fuel-t...nqCYaCyYXkcAMb7T-tSntppRFyM3TOYAaArWeEALw_wcB
On those gas tanks I would really want exhaust gas running in them. The reaction from the torch could be bad otherwise. Others mentioned CO2 and argon. Works as well but costs money.Thirty years ago we did patch gas tanks as well diesel. Took all external opening covers off gas tanks flushed with water then drain allowed to dry then lit remaining fumes with a torch. When burned off and out performed the patching. Was routine.
Diesel was similar except fewer fumes would run a CO2 or Argon mix gas into those off welders.
I was thinking about that.
I put a very low amount of air pressure on the tank and use soapy water. No bubbles, no problems and never had to go back again that way.I had a bad leak on the fuel tank on my international. I was going to just patch it until I started cleaning it up and saw how big the holes were. I scratched the patch plan and put a whole new bottom on the tank. I drained the tank, then took a circular saw with a carbide metal cutting blade and cut the entire bottom off. Bought a piece of remnant 3/16" steel from Alro and welded it on the bottom. Worst part for me was having to keep going back and finding the pin hole leaks in my welds, grinding them out and re-welding. That was 2 years ago, still looking good today and no leaks. My cost was $100 for the steel.
I put a very low amount of air pressure on the tank and use soapy water. No bubbles, no problems and never had to go back again that way.
..... find one for a Franklin.....
I have brazed up many holes like that in diesel tanks. A lot of times just braze a whole area.
That is a very good point.The radiator shops do a nice job on old fuel tanks ,they can hot tank them out and work safely on them . ive had some of my old lincoln welder tanks done . They coated the inside with Gylptol i believe . They have been fine for years.