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I have found that repeated belt failures or throwing belts is caused by something not quite in line.
When did the problem first start? Was it after one of the driven units was changed out? If that is the case, perhaps something wasn't put in square with everything else.
I have also seen belt pulleys wear out to the point at which the belt rides too low or too high. Improper belt ride height can cause belts to wear out prematurely because the part of the belt that is designed to carry the load isn't making the correct contact with the pulleys.
It isn't normal to throw or replace belts very often. When it does, there is a reason.
Good luck and let us know what you find.
Mark O.
Castle Rock, WA |