Small Engines (Lawn Mowers, etc.): sears tiller squeal, front tine tiller, hp engine

Question
I have an old sears front tine tiller model 917.297550, 5 hp engine.  I recently replace the belt due to a squealling noise from the tiller.  The tines turn slowing and when I engage the tines into dirt, the tines stop and you hear a squealling noise.  Pls. advise what this might be.  I never had trouble before with this tiller.  Its at least 30 yrs old.

Answer
That god awful squealing sound that your hearing is coming from a belt sliding across the pulley.  One of your pulleys are not turning freely.  Perhaps there is a rock stuck in the tines?  perhaps a gear in the tranny is locking up?  you must find the cause of this or you will ruin your new belt.