(ET) non moving tractor

["harry landis" <hlandis hotmail com>]

To the electrac users:

If the dtive motor won't run after sitting for a long time and 
everything else works, you may have an obscure problem that prevents 
the contactor from closing. First put it in neutral, open the access 
cover, and push on the contactor by hand. If the motor runs, then 
there is a good chance that one of the electrolytic capacitors on the 
control board is bad. There are several, and I don't remember real 
well how to figure out which is which. But it is something like 50 
uF. Its purpose is to keep the contactor energized while shifting 
between speeds. If its value is too small, the circuit that controls 
the time delay between speeds won't work. The original value was just 
barely sufficient, and after 20 years, its value decreases. Try 
putting another higher value one in parallel with each of them (one 
at a time) and try the control lever. If the drive motor goes, you've 
found it. So replace it with a higher value one (2X or more) and 
you're  back in business. This is how I bought both my E14 tractors 
cheap. The previous owner couldn't figure it out.

Harry Landis

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