I have a model 917271131 tractor. I recently ran thru a pile of wet leaves that I thought were dry. Had blade on one side get jammed, after clearing it out the vibration was there. I figured I bent a blade so replaced them no help. Replaced the mandrel on that side and still nothing. Really don't want to buy another one for the other side. Any suggestions about what else to look for?
Vibration when blades are engaged
- Thread starter chucks59
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reynoldston
Lawn Pro
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Before you start buying parts figure out what is wrong. It just looks like you are buying parts and hoping the problem go's away. Now if a dealer was repairing your mower and they did that what would you think about them. Ok does a noise come with this vibration? Did something get bent? Did you check the belt? Seeing you are the person fixing it you will have to check everything that has to do with the mower blades spinning and I am sure you will find something. Good luck :thumbsup:
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Probably flat spotted a belt...also balance your blades even if you only hang them on a nail on the wall horizontally,that's better than nothing,I'm amazed at how heavy one end of a blade can be,I've had to grind for a few minutes on the heavy side to get blades that stay horizontal on my homemade wall mounted ball bearing blade balancer
EngineMan
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Did you replace just the mandrel or was it a deck mandrel assembly kit, maybe you have a bent shaft, run it without the blade on that side, and if the vibration is still there run without the other side (both off), and if you still have vibration check the surface of the running belts and also the idle pulley(s).
Thanks that's what it was