Mower Deck Drive Belt Flies Off


Old 07-27-08, 10:34 AM
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Join Date: Jul 2008
Location: Vermont
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Mower Deck Drive Belt Flies Off

John Deere Z Trak 727. Has been fine. While cutting grass today, the drive belt came off. No cracks in the belt, all the rotating parts are secure with no looseness. I tightened the mower deck drive belt tension to 8 1/4 " per spec. Restarted fine. As soon as I hit grass, it flew off again.
Any thoughts would be appreciated.
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Old 07-27-08, 10:40 PM
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Join Date: Jul 2001
Location: USA
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Look for a pulley that isn't in line with the others, or is tilted.

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