..Can I used compressed air in the main passage?.. That depends on you definition of the ..main passage.. it is possible to collapse a float if the float bowl chamber is pressurized to high. All the answers you see here about using compressed air are meant to utilize it while they have it disassembled for cleaning. Where are you saying there is plenty of fuel flow to the carburetor? If it is from the new black hose next to the newer looking brass fittings you are overlooking something you probably do not know about. You need to check the flow at the square headed plug that is sticks straight out towards you if you stand beside the tractor, it is low on the carb. When you pull it out there will be good flow of about 2 to 3 measured cups. That will empty the float bowl. It should continue a good stream and not slow down to just a trickle. If is does slow down to a trickle here is the part you probably did not know. The old brass fitting that is screwed in the carb where you screwed your new fitting in; you need to screw the old fitting out. In that fitting is a small screen that is likely plugged. The link shows an example of what it looks like.
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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