Caille Neptune Gas Tank Repair?

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  • Monte NZ

    International Member - 2 Years
    Replies: 198
    Topics: 60

    Years back when I was doing similar soldering jobs on tanks and doing car body repairs with wiping metal (similar to solder) I use to wipe the joint quickly with a dry cotton rag or paper towel while the solder was still plastic. This worked well for me and if the joint wasn’t quite right I would reheat and repeat the wiping.
    NOTE.I have used a gas torch, to reheat, but be careful not to get it too hot and oxodise the metal. A good electric soldering with plenty of “grunt” is possibly the safest bet.

    Monte NZ


    Canada Member - 2 Years
    Replies: 5451
    Topics: 291

    I know some seasoned plumbers who use a cloth torn off an old pair of blue jeans. They say cotton works best for wiping solder.


    US Member - 1 Year
    Replies: 5681
    Topics: 884

    I filled in some low spots this morning with more solder, just for cosmetic reasons.
    Did a little more soldering, and got the first coat of primer on the tank.
    Looks like I’m going with “Light Ford Gray” tractor paint on the tank…..
    same as I did on the cylinder.

    I learned the “wet rag” to wipe excess solder back in 1982 when I built my house,
    plumbing everything in copper tubing. The first time I turned the water on I was
    proud I didn’t have any leaks……. that lasted about 30 seconds when one
    joint blew apart…….. that I forgot to solder!

    Prepare to be boarded!

    The Boat House

    Replies: 3795
    Topics: 95


    US Member - 1 Year
    Replies: 5681
    Topics: 884

    Not sure I want to stress test my work….. 3 psi air might blow all the seems apart, lol.

    Prepare to be boarded!

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