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Cleaning tractor gas tanks - galvanized steel

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Jim Kuntz

09-12-2006 10:58:40

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The local shops won't touch gas tanks any longer because of the liability. Anyone have a SAFE do-it-at-home remedey ?? Hve a tank that sat with gas/water mix for a number of years and i would like to use it again. It is a galvanized tank on IHC M. THX for your help!! JLK

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DonN Ohio

10-08-2006 15:12:21

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Re: Cleaning tractor gas tanks - galvanized steel in reply to Jim Kuntz, 09-12-2006 10:58:40

A length of dog chain works well too, and is easy to get back out.

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Patrick Martin

09-18-2006 06:44:08

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Re: Cleaning tractor gas tanks - galvanized steel in reply to Jim Kuntz, 09-12-2006 10:58:40

Hey Hey! Now here's a section I can maybe offer some advice in and be usefull for a change! LOL!

I restore automobiles and have to fight steel cancer regularly. I third what Rusty said with the acid but I would recomend a good pre clean of the tank.

Dump an equivalant combination of sand, .177 airgun bb's, and small gravel and rocks into the tank and then pour a quart or so of water in it. Bungee strap the tank to the wheel of your car or another tractor and run around with it at a low speed.

Drain and blow out the tank then slosh a bottle of rubbing alcohol in it to completly remove the water.

After cleaning the tank you need to seal it with the gas tank sealer that POR-15 makes. I can guarantee to you that this stuff will not flake off or soften up after time. This stuff is the sh*t so to speak as far as sealers go.

I regularly use their rust stop/preventative products and to this date not one of my vehicles show even the slightest signs of rust. I have a peice of rusty pig iron that I coated with their regular overcoat and tied a string to and left submerged in the bayou behind us and for the 8 years it has been there it hasn't rusted through yet!
POR-15 cannot be beat!

POR-15

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in sticks

09-15-2006 18:29:57

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Re: Cleaning tractor gas tanks - galvanized steel in reply to Jim Kuntz, 09-12-2006 10:58:40

did mine the redneck way,came out real clean too.strapped it to a small electric cement mixer,couple of shovels of course stone 3/4 inch maybe and some water and let er jingle, change water once in awhile.

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jake4

09-12-2006 17:15:24

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Re: Cleaning tractor gas tanks - galvanized steel in reply to Jim Kuntz, 09-12-2006 10:58:40

I use alcohol, pour 2 quarts and I use short wood screws placed with the alc, shake several times it will dissolve the shellac and when clean the screws be removed with a magnet not damaging the galvinizing. Using acid will eat the galv coating then you have a rust problem

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Brad_bb

09-12-2006 13:20:52

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Re: Cleaning tractor gas tanks - galvanized steel in reply to Jim Kuntz, 09-12-2006 10:58:40

So what"s wrong with it? Rust? I"m surprised if a radiator shop wouldn"t help you. Drain the fuel left, pour in some lacquer thinner and slosh it around well and drain it. Use the drained thinner to start a brush/yardwaste fire next time you need to. Careful though. Then let the tank air dry or stick a compressed air nozzle in it and get it dried. When there"s no fumes, a radiator shop shouldn"t have problem with it. If it"s rust you"re trying to get out, I"d probably take it to my chemical stripper (electrolytic alkaline - like reverse plating that removes rust and paint). It will also strip the galvanizing though. This means that you would then have to coat the inside to protect it from condensation and rust. Special pour in coatings are made specifically for this purpose. I recently restored a tank. There was no rust inside so I just had the outside soda blasted to remove paint overspray and light surface rust. Then I metal prepped and epoxy primed it. I then painted it with Eastwood"s tank tone paint. Then I cleared the whole tank. Doesn"t look exactly the same as galvanizing, but does look good and the difference will hardly be noticed as so much of the tank is hidden.

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RustyFarmall

09-12-2006 13:15:44

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Re: Cleaning tractor gas tanks - galvanized steel in reply to Jim Kuntz, 09-12-2006 10:58:40

Some will argue on this but the best and easiest method I have found is muriatic acid. Pour in about 2 gallons, let the tank sit for awhile, and then tip the tank up on one end and let it sit again. Tip it up on the other end, etc. The acid needs to come in contact with all internal surfaces and be allowed to remain in that position for maybe 10 to 30 minutes. When you think it is clean, dump it out and then rinse thoroughly with water, several times, and then allow it to dry. A final word, use extreme caution and wear protective clothing and definately wear eye protection.

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msb

09-12-2006 22:12:27

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Re: Cleaning tractor gas tanks - galvanized steel in reply to RustyFarmall, 09-12-2006 13:15:44

AMEN to what Rusty says and it won't eat the galvanize off regardless of what other say unless you leave the acid in there for a LONG time.I just slosh the acid back and fourth every few minutes.I dump in a box of baking soda to neutralize any traces of acid left after flushing the acid with water several times.Then flush the soda real good. Blow the tank dry with compressed air.

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Patrick Martin

09-18-2006 06:48:18

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Re: Cleaning tractor gas tanks - galvanized steel in reply to msb, 09-12-2006 22:12:27

(SORRY ABOUT THE DOUBLE POST!)

Hey Hey! Now here's a section I can maybe offer some advice in and be usefull for a change! LOL!
I restore automobiles and have to fight steel cancer regularly. I third what Rusty said with the acid but I would recomend a good pre clean of the tank.

Drain and blow out the tank then slosh a bottle of rubbing alcohol in it to completly remove the water.

POR-15

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