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Re: 1950 Farmall M Fan Belt
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Posted by Haas on November 19, 2001 at 07:30:48 from (129.37.117.10):
In Reply to: 1950 Farmall M Fan Belt posted by Chad Redding on November 18, 2001 at 15:05:22:
Chad, the fan belt pulley on the M is a split pulley. You adjust the belt tension by adjusting the width of the pulley to make the belt run lower or higher in the pulley. This is done with the threaded flange that you noticed on the front of the fan. The flange turns on threads to move the front half of the pulley in and out to adjust the belt tension. There is a set screw on the flange which also has a lock nut on it. The set screw holds the flange and keeps the tension. Locate the set screw, loosen the lock nut and then loosen the set screw. If the flange is like most of them, you are into a lot of penetrating oil and wire brushing to get the threads cleaned up to where you can rotate the flange. It's easier to work on if you take the radiator off, but of course if you do not need to have the radiator refurbished at a radiator shop, try to get the flange loose without taking things completely apart. Once the flange at the front of the fan is loose, you can loosen it until the belt is in the bottom of the pulley at which point it is loose enough to work off the engine pulley and then over the fan to remove it.
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