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Motor vibrates the entire mower, new motor pulley; belt and deck pulley replaced by serviceman. Continues to vibrate. Craftsman YTS 3000

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  • washumr Oct 29, 2009

    I have not heard from you guys, my last reply to you was, Oct. 24, 2009. The sh-a-ki-ng riding tractor. No damage to mower by owner.

  • washumr Oct 29, 2009

    The motor shakes,when the blades are engaged only. This causes a severe vibration on the entire mower.It makes no difference if the mower is moving or sitting still, the vibration continues. Belts and pulleys were replaced by the serviceman, problem remained. No I did not hit anything, the mower was started and two days later,I ran the mower through the entire process and that is when I noticed the motor vibrating, once I engaged the blades. This is the second mower I have replaced this year but, this one took the CAKE. Thanks !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

  • lnbn1975 May 11, 2010

    If it is the motor vibrating bad, it must be an internal problem, more than likely caused, as Mr. Macgivor says, from hitting something and bending the crankshaft. If the mower runs so badly, missing, backfiring, etc, and that causes the shaking, then there is a problem that a tune-up or carb cleaning is in necessary. On his reply, Mr. Macgivor asked when the shaking occurs. When running? When in gear traveling? When the deck is engaged? All this info is needed to tell where the problem may lay.

  • lnbn1975 May 11, 2010

    Wonder if you hit a fixed object and bent the crankshaft? Did it fibrate before the serviceman worked on it?

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Sears has a update to the deck vibration your service dealer should be able to get it took care of. we do warranty work for sears and they are aware of the fix

Posted on Aug 04, 2010

  • skipkeel Aug 04, 2010

    new engine pulley and belt should take care of this

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Well mine is doing same thing an it has new blades an all new bearings an belts runs smooh until blades are ingaged an then it shakes like a demon seems like i is coming from the motor area bu im not sure has anyone heard of the clutch doing this i put all this stuff on new to fix this problem an its still there

Posted on May 05, 2010

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OK, that clarifies the problem a bit. What I am going to suggest is that you take the deck off the machine if that is an easy task. While it is sitting free, or as low as you can make it go if you cannot get the deck off easliy, take any covers off the pulleys. I have a feeling that there is a bearing shot in the deck. Not a big problem, tho a common problem on Craftsman mowers, I understand. What you want to do is take each pulley and shake/turn/lift, etc, trying to see which one of them (I presume you have 2 or 3 blades on your mower). The bad one will be loose or act different that the others. There "may" be bearings on the top and bottom of the deck, I am not sure, but you will see where the shafts go thru the deck. When you find a bad one, take note of it's location and try to find a parts list so you can get a new one. May not have to go thru Craftsman/Sears to get it.

Did you call the technician to come to your house to repair the vibration/shake? Is this machine under warranty? Either way, if you did call him and he changed everything and you still have the problem I would suggest a call back and tell them that he didn't fix the problem and you would like him to return (at their expense).

Good Luck, and please advise your findings if this helps or not.

Posted on Oct 29, 2009

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Doesa the vibration happen when the cutting blades are engaged or do you still have vibration when blades are not turning? IF BLADES ARE TURNING AND YOU HAVE VIBRATION, YOU NEED NEW BLADES OR THEY GOT BENT FROM HITTING SOMETHING HARD AND NEED TO BE STRAIGHTENED OR REPLACED. If vibe is there when blades are still, possibly the output (crankshaft) is bent. Goodluck, Macgivor

Posted on Oct 24, 2009

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