Hi, my name is Bill Parker, and today I'm going to show you how to take rust out of your gas tank on your lawn mower should you have the style that has the metal tank. A lot of lawn mowers nowadays are made with plastic tanks so we don't have to worry about that but if you've maintained your lawn mower for many years you've got the old style with the metal tank. So, I'm going to show you how to take the rust out. The first thing we do is we remove the air cleaner, remove the throttle cable, remove the bolts that retain the gas tank on. In this case there are two bolts and then slowly work the gas tank off. You've got one throttle linkage which is right here and you actually have to turn it a little bit to slide it out. Once you've removed it, you can go ahead and clean it off, drain out any fuel that's in there in a good container that can be reused somewhere or recycled. Then what you're going to do is you're going to take some nuts and bolts that you have lying around the house, just like that. You're going to put them inside of it, put the cap back on and shake it up and what that's going to do is it's going to break all the rust free that's sitting in your fuel tank. So, once we've done that, it's just a matter of shaking all the nuts and bolts back out. You'll know if you've got them all because there's no more rattle. From there you can go ahead and rinse it, maybe with a little bit of gasoline, just rinse it out a little bit, pour it into a rag or a container to be disposed of. And then it's very simple, just a matter of reassembling. Again there's the one linkage that hooks into the throttle hole on the carburetor. And then it just slides back on and then it's just a matter of reassembly, putting your bolts on, putting your throttle cable back on, reassembling the top, putting fresh fuel in it and it's as simple as that. That's how you remove the rust from a metal gas tank.
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