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  #1  
Old 04-28-2021, 11:18 AM
rfedeleo rfedeleo is offline
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Location: NJ
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Default PTO runs rough
My tractor seems to run fine, but when I turn on the PTO to engage the blades, things start to shake a bit more than normal. I did just sharpen my blades but not sure if this is a PTO problem, mowing deck problem, engine problem? Any advice on where to check first?
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  #2  
Old 04-28-2021, 11:28 AM
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Cubcadet_107 Cubcadet_107 is offline
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I would assume, since you sharpened your blades, that you didn't balance them. You took more material off one side of the blades than the other, causing them to be unbalanced. This will cause the mower deck to shake more than normal. You can run them like this, it shouldn't hurt anything, but if you don't like the vibration you'll want to remove them and balance them properly. They sell little plastic blade balancers that should make it easy enough, I happen to have one myself.
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  #3  
Old 04-28-2021, 11:45 AM
R Bedell R Bedell is offline
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AS A TEST.....

Unplug the PTO and see if the problem persists.
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Old 04-28-2021, 04:00 PM
rfedeleo rfedeleo is offline
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Ah Ok makes sense. I guess I will try both. I will unhook the belt from PTO and engage and see how that feels and then try to balance my blades (after watching a few Youtube videos)
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  #5  
Old 04-28-2021, 06:13 PM
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ol'George ol'George is offline
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Would it be too much to ask what you are working on?
Not everyone's crystal ball works as efficiently as we would like it to.
Single cylinder engines vibrate more under load than multiple cylinder engines.
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  #6  
Old 04-28-2021, 10:16 PM
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Aside from balance and PTO.... Is there a chance one or more blades not properly tighten? And, yes, it would be nice to know what machine we're working on!
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  #7  
Old 04-29-2021, 08:17 AM
Esteban Esteban is offline
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Yes, you do need to balance the blades & make sure they are installed right side up," & tight". Riding mowers with 2-3 blades can shake quite a bit with several blades unbalanced. Below is a short video that will help. The one thing I do differently, is that if I have sharpened the blade very well with nice edges, I don't " re-sharpen " the heavier side. Instead, I grind a little off the end of the blade to lighten it. I have a finishing nail hammered into a wall stud in my shop.

https://www.youtube.com/watch?v=d5bzlDNsGfI
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