Question about Troy Bilt, Tuffy, Rear - Tine Tiller, 4.0 Tecumseh Engine

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Belt seems to be slipping

My dad bought a new belt for a MTD white RB 550 tiller-rear tine.( he bought it new around 2000-2001) The old belt was damaged and slipping. He ordered the new one from Lowes so it should be the correct one--it is smaller than the old used one. The problem is it still seems to be slipping. It makes that screaching noise when it starts tilling. We tried to tighten the cable that goes to the idler pulley. but it either starts grinding gears or it wont come out of gear when you release the handle. (very dangerous - trust me!) we cant find anywhere else to tighten the belt. What do we need to do to fix this? Thanks for any help you can offer.

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Good evening. I would suggest checking the tine bearings as well alignment. I had (have) a 2003 mtd rear tine which blew the entire bearing box for the second time. The times should have little to no flex when push or pulled. Fortunately, MTD came good for the first rebuild even though my warranty had expired...they covered the parts and labour was all mine. If the tines seem properly working, possibly try out this website to get the 100% correct belt....hope this helps.

http://www.milacalawn.com/parts.asp

Posted on Apr 18, 2009

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