Posted by Aus.Steve on January 01, 2016 at 22:16:52 from (58.168.28.206):
:? Hi, I'm new to group so not sure if this has been covered.
I am having trouble getting my TEA 20 to run properly.
It has the Zenith carby which according to the manual I downloaded should have the slow running mixture screw set at 1 to 1&1/4 full turn from closed and the main jet set at 1 to 2 full turns, depending on workload. These are the settings I have always used.
I recently had to strip the carby down due to impurities causing the needle and seat to stick open and flood the carby. As the gasket had deteriorated severely i had to form a silicon gasket. After this the tractor ran better than it ever has for several hours on different occasions in the several years I owned it.
However it recently started missing severly and blowing a lot of black smoke and the main jet can only be set at about 1/8 of a turn at idle before excessive smoking and stalling occurs and needs to be adjusted to 1/4 to 1/2 of a turn at high revs. any more and it runs rough.
I'm wondering if a breach has occurred in the gasket causing a cross over of fuel between the main and slow idle jets.
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Today's Featured Article - Grain Threshing in the Early 40's - by Jerry D. Coleman. How many of you can sit there and say that you have plowed with a mule? Well I would say not many, but maybe a few. This story is about the day my Grandfather Brown (true name) decided along with my parents to purchase a new Ford tractor. It wasn't really new except to us. The year was about 1967 and my father found a good used Ford 601 tractor to use on the farm instead of "Bob", our old mule. Now my grandfather had had this mule since the mid 40's and he was getting some age on him. S
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