Question about Craftsman 20 hp 42 in. Deck Lawn Tractor - CA Model

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Blades won't disengage

Changed the v-belt on my craftsman lawn tractor per owners manual. It is on and working. However, the cutting blades will not disengage. When I ran it to make sure it was working, I noticed the motor revs up and slows down on it's own. Did I re-connect something wrong? Can you help me?

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I would check to make sure you have the correct belt first.There is usually a belt dioagram in the manual and on a sticker on the mower.Then check the idler pivot bracket to make sure it is moving freely to allow the belt to loosen also there is a small spring p/n 169022 that pulls the idler pulley back to disengage the belt when you release the engage lever its is about 1/2 inch by 3 inches long on the center of the deck.Also there are 2 brake cams that lift the brakes off the pulleys make sure they are lubed with wd-40 where the roll across the idle plate,and make sure the idler plat does nat have a worn spot on it where the cam roller rides on it.

Posted on Jul 30, 2009

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