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PTO clutch


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#1 Bentwrench OFFLINE  

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Posted July 12, 2011 - 05:14 PM

I have this posted over in th John Deere section and after 25 views nobody had any comment, so I thought maybe I'd try here thinking maybe one of you with the other color tractors might have an opion !
"The clutch on my GT235 went out and I put on a new one, JD#AM126100. Everything looked good and I have just replaced both bearings in the jackshaft pulley.
When mowing the clutch will start making a "rattling" noise and I feel some vibration. I can throttle down and back up and it quits. It varies in frequency and grass load makes no difference. This clutch does not have the 3 adjustment bolts that I have had on other mowers. So any thoughts, I really hate ruining a new $150 part "
Guess what I'm asking is there any adjustment on this type? I've done a "search" and did not see anything on this type. Thanks

#2 caseguy OFFLINE  

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Posted July 12, 2011 - 05:39 PM

I am very sorry that there haven't been any replies. I am not familiar with a PTO clutch that doesn't have any adjustment. All the ones that I've worked on have had the three adjustment bolts like you spoke of on your old unit. Hopefully there is someone on here that can help!
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#3 Alc ONLINE  

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Posted July 12, 2011 - 09:30 PM

I saw your thread the other day too . But never worked on that style PTO either . This might be just a shot in the dark but maybe the voltage at the time of the vibration might be dropping low enough to cause a problem . Al
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#4 Texas Deere and Horse OFFLINE  

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Posted July 12, 2011 - 10:33 PM

Al, Thats a good thing to check, Bentwrench, I will ask a guy at the JD. dealership tomorrow and see if they have any ideas.
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#5 Bentwrench OFFLINE  

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Posted July 12, 2011 - 10:47 PM

Thanks for the replies. I went thru the JD service tech manual and couldn't find anything other than R & R. I have not tried to figure out a way to monitor the volt or amps at the clutch while running, but might be something to consider. The older style are sometimes a pain to adjust, but atleast you can.

#6 EricFromPa OFFLINE  

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Posted July 13, 2011 - 01:22 AM

The clutch could have a dry bearing,or a cracked bearing race.I've had a couple Spindle bearings that were bad rite out of the boxes.

Is this the one?
Posted Image
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#7 Alc ONLINE  

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Posted July 13, 2011 - 05:30 AM

Spindle bearings that were bad rite out of the boxes.

That would really stink to spend good money , your time to install it , then have it be bad !!!

#8 Texas Deere and Horse OFFLINE  

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Posted July 13, 2011 - 11:52 AM

Bent, I talked to my buddy at the JD. dealer this morning. He said to check all the idlers for bad bearings, also take the pto belt off and spin the clutch by hand and see if you hear or see anything unusual in it. He said you could have just got a bad bearing in the new clutch, it's happened before. I hope this helps...

Also, did the clutch go on the crankshaft loose or a good fit?
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#9 Bentwrench OFFLINE  

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Posted July 16, 2011 - 09:09 AM

The noise quit, I re-checked everything and all looked good. Only thing I did was unplug, blow-out & grease the conector. My other guess is just maybe it to "seat in" alittle? If it starts back guess I'll deal with it then. Now back to house buildin, bush-hogging, hay cutting, really need to go fishin' ......
Thanks for the ideas.

#10 Alc ONLINE  

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Posted July 16, 2011 - 04:04 PM

Glad the problem went away , those are the best fixes !!! Al

#11 player92my3 OFFLINE  

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Posted July 24, 2011 - 11:54 AM

Is there any way you bought it broken?




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