PTO Grinds: Tractor Implements  -- Tractor Attachments Implements 3ph Discussion Forum and Review PTO Grinds: Tractor Implements -- Tractor Attachments Implements 3ph Discussion Forum

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 08-05-1999, 00:00 Post: 6625
John Clinton



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 PTO Grinds

Have a used Ford/NH 1720, 2100 hrs. Bought in MAy then it sat for about 2 mos. Removed the backhoe to use a Woods Bush Hog. When engaging the PTO strong grinding as if clutch not disengaged; it eventually works but it is a struggle and noisy. Seems OK when engaged and works fine. Disengaging PTO silent and no problem. Dealer said something about "diverter valve sticks if it is not used for a while." Am I damaging the gearbox, how can I correct?






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 08-05-1999, 00:00 Post: 6652
RickB.



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 PTO Grinds

Do not allow this condition to continue. You have a clutch problem, and you will soon have a pto shift collar problem, too. The PTO clutch disc may be stuck, broken & doubled up, or something of that nature. Your MAIN clutch disc may be getting worn (2100hrs) to the point that the PTO disc is not being released. The main clutch will still work properly for a little while if this is the case. The diverter valve has no role in clutch operation on this tractor.






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 08-05-1999, 00:00 Post: 6654
Carl in VA



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 PTO Grinds

I had a similar problem w/ my 1710. If you have a two stage clutch make sure it is adjusted properly. Mine was not and did exactly what yours is doing. I suggest you get a service manual for the tractor and adjust the clutch. It is a simple matter of turning a bolt and checking the gap w/ a feeler gauge.






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 08-05-1999, 00:00 Post: 6662
Roger L.



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 PTO Grinds

Pretty normal for a sticking clutch. It is possible for part of the 2 stage clutch to stick and the main portion to still work. Is the adjustment at the limit? Is the clutch getting hard to push in? You are about at the hours where a clutch wouldneed to be replaced. But chances are that it just sat and rusted and is somewhat stuck. You need to free it up and exercise that 2ndstage by pushing the clutch all the way in when you use it. And consider blocking the clutch when you let it set for a few months. Many compact tractors have a some device on the clutch pedal which lets you lock it in the disengagedposition for storage. Note that the problem is common enough that manufacturers have devised a fix..... Roger Loving






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 08-08-1999, 00:00 Post: 6733
Nuclear_Weapon7



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Can anyone tell me the benefits of 2 clutch plates instead of one. Some tractors have a single clutch plate, and some have 2 why ? Having 2 clutch plates results in problems mentioned in this thread.Nuclear_Weapon7.Nuclear_Weapon7@Hotmail.com.Hyderabad,Sindh,PAKISTAN.






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 08-08-1999, 00:00 Post: 6738
Roger L.



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 PTO Grinds

One clutch plate for the transmission - just like one would expect. Then if you depress the clutch pedal fartherthe second clutch plate is separated and this is the one which clutches the PTO. So if you reverse this processas you let up on the clutch pedal tne PTO engages first, which allows the implement to get up to speed. Then you let up on the pedal a little farther which engages the regular transmission clutch and off you go. There are other methods of designing a clutch for the PTO. A common one is to have an entirely separateclutch pedal for the PTO clutch. Some small and/or inexpensive tractor designs don't even bother to clutch the PTO separately. These have the PTO driven directly from the main shaft of the transmission. In this design, the PTO only rotates when the transmissionis turning. The result is that the PTO appears to be clutched by the main clutch when the transmission is inneutral. However, if the transmission is in gear the PTO speed is related to the ground speed of the tractor. Thisdoesn't matter at all when you are up to speed. All PTOs are then working at the same rate. But when you are starting out, the directly driven PTO is barely turning. If you do a lot of mowing or tilling - you will want the PTO to be separately clutched or to have a 2 stage clutch. Roger Loving






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 08-10-1999, 00:00 Post: 6812
Nuclear_Weapon7



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 PTO Grinds

My Kobuta B6100 has a single clutch but it does not have that problem ( PTO not turning with main transmission in neutral ), it has a 3 speed PTO and it works very well even if the tractor is standing still. Massey Ferguson MF240 does have 2 clutch plates but i have not used its PTO yet. I think its PTO is a single speed thing. I think it would be ideal for every tractor to have a single clutch plate and a seprately geared multi-speed PTO just like Kobuta.Nuclear_Weapon7.Nuclear_Weapon7@Hotmail.com.Hyderabad,Sindh,PAKISTAN.






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Discussion Boards > Active Subjects > Messages as Posted > Tractor Implements Forum

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Carl in VA 1 | John Clinton 1 | Nuclear_Weapon7 2 | RickB. 1 | Roger L. 2 |




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