Re: Farmall H fan belt adjustment

Posted by john d on January 27, 2004 at 09:49:16 from (205.188.209.82):

In Reply to: Farmall H fan belt adjustment posted by Mark on January 26, 2004 at 19:45:10:

Patience is the ONE thing you don't want to run out of on this task!
After loosening the jam nut and removing the set screw, turn the set screw hole on top and dose it with penetrating oil. Let it set all night if possible. Take a small wire brush and brush the visible threads in front of the hub as clean as you can get them.
Working from the left side of the tractor, turn the setscrew hole out of the way to bring up another boss on the hub that you can hit using a punch and hammer. Driving on the boss with the hole in it is not recommended, but can be done.
Attempt to drive the top of the front sheave away from you with sharp taps, but do NOT hit it with a big 2-lb hammer and break it!
Once the thing moves, even a little bit, drive it the other way. Back-and-forth motion will eventually have it moving a little more. Continue to dope the assembly with whatever you have on hand that will flush out the several years worth of dust and grit that's gotten into the threads.
I spent about 3 hours getting the one on my '49M to move when the belt broke last winter. It handn't moved in over 25 years. Once I got it started, I flushed a lot of dirt out with a spray can of Gumout carb cleaner. After getting it loose and clean, I could spin it easily. When I installed the new belt, I added a small amount of grease to the threads.

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