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Re: 10-20 Carb
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Posted by Bob kerr on July 16, 2001 at 21:06:30 from (64.12.105.21):
In Reply to: 10-20 Carb posted by Jim T on July 16, 2001 at 17:43:02:
You may not have to take the carb apart at all. Try putting a little white gas (coleman fuel) in it. It won't hurt anything and may cut the gum if there is any. Also if that doesn't work just take off the part where the fuel line hooks up. Unscrew the line and then the nut on top of the small housing. take off the housing and the needle valve and part of the float arm is visible. Dont take the small brass hex screw off on the side right there , That is what holds the float arm in place, and if you move it around a bunch with the screw out you might damage the float. To get the whole carb apart is tricky until you do it the first time. The acorn nut at the very bottom is the nut that comes off first. 9 times out of 10 it will twist off!!What twists off is not a bolt, but is the "suction outlet tube" which is critical. Get ready to call Gordon Rice(814-226-9200) to get a new one!He has them made and are $21.41. there is a large nut in the bottom of the second housing which holds the rest of the carb together. Be careful not to mangle the copper tube that goes from the top part of the carb to the inlet opening. It is soldered on the top part and slips into the hole in the inlet opening on the second part. There are no gaskets between the sections exept for the bottom of the fuel inlet housing and I put in a fibre washer at the brass nut on mine. I took my whole carb apart and soaked the brass parts in metal prep(basicly phosphoric acid) which is used to treat bare steel to get it ready for primer.It had the brass looking like new in 10 minutes! I used a very fine wire stainless steel wire brush to give it a shine. It works much better than bead blasting and won't hurt the writing on the tag or take out any of the original detail out of the castings. I hope this helps. If you have more questions you can email me and I will take a good close look at my 10-20 carb. It has been running so well I haven't had to do anything to it for over a year now.
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