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X350 drive belt issues

8498 Views 4 Replies 3 Participants Last post by  Frogmore
I need some advice on fixing my X350. I was mowing and the machine threw the drive belt. I pulled the 48" mower deck out and found the belt off on both ends and the spring was off the tensioning pulley assembly. I am not sure where the spring was supposed to attach and none of the diagrams show it. I hooked it in one of the holes in the assembly frame and it seemed to tension up the belt fine. The unit would drive forward and reverse until I put the mower deck back on. It seems to me the belt is slipping. The machine only has 33 hours on it. Is that normal? I have to tear it all apart again, so I'm hoping someone else with some experience can advise me on what to inspect. Everything looks good,but why would the belt throw off in the first place?

Thanks for your help.
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