Gas tank cleaning

Farmall C, Super C Tractors, 200 & 230 1948-1958

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kthomas
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Gas tank cleaning

Postby kthomas » Thu May 10, 2007 6:07 pm

Hi fellow cubers!! Well, I really love the Cubs, but last weekend I bought a Farmall Super C to use for brushhoging. I really love all the old F-Alls!

Anyway, the tractor has sat for awhile and the fuel tank is gunked up. The guy I bought it from finally got some clean gas strained through it, and it runs pretty doggone good, however I want to clean out the tank. What is the best method for this?

Thanks!
KT

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Rick Prentice
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Postby Rick Prentice » Thu May 10, 2007 8:11 pm

Hi KT. When I cleaned mine, this was Al's(Super A) reply on the cleaning method.

Fellers, you're making this harder than it really is! There is no need to spin, rotate, twist, turn, flip, and especially, no need to dump a bunch of little hardware in the tank that'll be a royal pain to get out!

If you use muriatic acid to clean a rusty tank, all you gotta do is set the tank level on a shop table, preferably where you can get some ventilation because the acid will give off some fumes, not a lot but if you stand right beside it, you'll get a whiff once in a while. Plug the sediment bowl hole, (use a steel plug--the M.A. will "eat" pot metal QUICK) and fill it level-full. I wouldn't use the muriatic acid full strength--I was taught a cup of acid per tank capacity, the rest is water. If you can keep it watched, you can always mix it stronger--just keep it watched, I got in a hurry once and lost a set of radiator shutters.... Full-strength would eat the whole tank out before too long unless you baby-sit it--I have used it straight out of the jug to de-rust small fasteners before and it doesn't take long for them to turn to shiny metal--less than a few minutes. let it sit over night, check it, if you still see rust maybe let it go a little longer. Dump it, flush with baking soda and water, you can then slosh around a half gallon or so of acetone to "dry" it out, and then unless you want coat it, you're ready to go...this method lets the acid solution find every nook and cranny. There will be NO rust when you're done.

I forgot--before you do anything else, if you have any old varnish in the tank, the acid won't eat it, or at least not as fast. Use a can of red devil lye and water to eat the varnish, then go with the acid once that's cleaned out.

As always, PROTECT YOUR EYES (and your skin and clothes) when working with this stuff and just use good sense. It's no more dangerous IMHO that hooking up an electrolysis rig.

Al



Rick
When I told my dad I've been misplacing things and doing stupid stuff----His reply---"It only gets better"

kthomas
10+ Years
10+ Years
Cub Star!!
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Posts: 355
Joined: Sun Jun 18, 2006 7:49 pm
Zip Code: 64870
Tractors Owned: 1950 Cub..1951 Farmall Super C...1949 Farmall H
Circle of Safety: Y
Location: Webb City, Missouri

Postby kthomas » Thu May 10, 2007 8:23 pm

Thanks Rick!!
KT

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Brandon Webb
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Postby Brandon Webb » Fri May 11, 2007 10:26 am

You also may want to run a rubber fuel line and filter on it, just temporaryly until you get all the gunk out of the tank. Unless you like taking your carb apart. Then Put on the factory metal line, as they are safer in case of a fire. Brandon. :D


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