Posted by Steve (Tx) on November 07, 2012 at 16:01:16 from (74.192.162.166):
I put a new Zenith carb on my Ford 2000 4 cylinder. The tractor starts immediately but the idle is super fast, in fact, it is so fast that I cannot increase the rpm"s by increasing the throttle.
As far as I can tell, there are only two adjustment screws; one over the bowl which is probably the air mixture and one at the throttle linkage. With both screws seated or both screws way out or a combo of each, the rpm"s do not slow down.
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Today's Featured Article - Oil Bath Air Filters - by Chris Pratt. Some of us grew up thinking that an air filter was a paper thing that allowed air to pass while trapping dirt particles of a particles of a certain size. What a surprise to open up your first old tractor's air filter case and find a can that appears to be filled with the scrap metal swept from around a machine shop metal lathe. To top that off, you have a cup with oil in it ("why would you want to lubricate your carburetor?"). On closer examination (and some reading in a AC D-14 service manual), I found out that this is a pretty ingenious method of cleaning the air in the tractor's intake tract.
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