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03-02-2013, 09:42 PM #1Veteran Member
- Join Date
- May 2006
- Posts
- 2,066
- Location
- Lexington, SC
- Tractor
- 2001 John Deere 790 4x4, bar tires
How do you get this slipclutch off??
I loosened the nut thinking that it would let the yoke slide off, but then realized it's not "split" so it can clamp down on the PTO shaft. Duhhhh. Does that "threaded pin" sit in a groove on the PTO shaft? If so, then that pin has to be pushed or pressed out from the other side, right? There is no nut on the other end of it, it just looks like its flush (pressed) into the clutch housing. I couldn't rotate the shaft to take a pic of the other end because the blades are sitting on the ground (rototiller not hooked up to the tractor). Thanks....
Nothing could be finer than riding my JD790 in South Carolina!!
2001 John Deere 790 4x4 with Model 70 FEL, 5ft International World Agritech bush hog, 5ft Wallberg BB, 5ft Frontier disc harrow, Leinbach PHD with 9" & 12" augers, King Kutter II 60" Rototiller, Leinbach middlebuster, Leinbach #11 Field Cultivator, boom pole, custom 3pt handi-hitch, clamp on bucket forks, Pat's Easy Change.
Nothing runs like a Deere, or smells like a John....
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03-03-2013, 12:11 AM #2Super Member
- Join Date
- Feb 2006
- Posts
- 6,764
- Location
- VA
- Tractor
- JD2010, Kubota3450,2550, Mahindra 7520 w FEL w Skid Steer QC w/Tilt Tatch, & BH, BX1500
Re: How do you get this slipclutch off??
Is that a nut? It looks like a push pin release. It should push in almost flush and then the collar can slide off the shaft.
larryThis side of 40
JD2010, Kubota L3450/FEL w SK QC, L2550 w FEL
Mahindra 7520 [Pinky] /FEL w Skid Steer QC/w Tilt Tatch & BH, BX1500 [Mighty Mouse]
IH37 Baler, Hesston Haybine, JD Rake
Bushog, Flail,
SK Tilt Tatch
, KK tiller, Rhino rear blade, Post driver, post auger, chipper, pallet fork, Grapple/Loader Buddy, Homemade Splitter/DC Welder
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03-03-2013, 12:50 AM #3
Re: How do you get this slipclutch off??
Don
MF GC2400, FEL, 60in.MMM, 5ft. Cultivator, Single Bottom Plow, Bush Hog RTC48 tiller, MF 2360 front mount snowblower, 5ft backblade. BXpanded Piranha toothbar.
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03-03-2013, 01:28 AM #4Veteran Member
- Join Date
- Sep 2007
- Posts
- 1,384
- Location
- Doniphan, Mo.
- Tractor
- Kubota L4240, B7800 & BX2660
Re: How do you get this slipclutch off??
Just were did you take a nut off of? Larry has it right, it's a spring pin. If it had a nut on it someone put it on just to keep it locked in place, doesn't even look like a nut could be put on it.
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03-03-2013, 06:22 AM #5Super Member
- Join Date
- Sep 2000
- Posts
- 6,261
- Location
- Eastern NY
- Tractor
- Case 885, JD 730D, Oliver 660 Ford 4000
Re: How do you get this slipclutch off??
This is NOT a quick-disconect push pin.
It is a wedge shaped pinch bolt that engages a slot in the shaft. Put the nut back on, flush with the end of the 'pinch bolt'. Using a steel punch of at least 1/2" diameter so as not to deform the bolt or nut, give it a good lick with a 2 lb or larger hammer straight in towards the clutch. This will dislodge the tapered bolt. Pull the bolt back out towards you so the bolt locks slightly and temporarily in the clutch while you remove the nut. Shove the bolt through and out the back side of the clutch. Remove clutch assembly from the shaft.If you can read this, thank a teacher.
If you are reading this in English, thank a veteran.
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03-03-2013, 07:29 AM #6Super Member
- Join Date
- Dec 2003
- Posts
- 5,585
- Location
- Western Kentucky
- Tractor
- JD3720 Cab, 300X loader with 4-in-1 bucket
Re: How do you get this slipclutch off??
Yup, it's a simple threaded bolt that should tap right out. The other end is a conventional hex head. It would be more easily removed if the implement was actually mounted on the three point, and the PTO shaft connected to the tractor. That way you can rotate the tines to minimize the forces that are currently holding that bolt in place. Lot less potential for thread damage that way. Or else just bang it out and replace it with a new bolt
//greg//USN (Ret)
Former Chinese tractor owner (x4)
Current John Deere owner
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03-03-2013, 08:58 AM #7Veteran Member
- Join Date
- May 2006
- Posts
- 2,066
- Location
- Lexington, SC
- Tractor
- 2001 John Deere 790 4x4, bar tires
Re: How do you get this slipclutch off??
Yep, I knew before I even started that it was not a simple push pin type locking mechanism, that would have been too easy! (Use Control and the + key to zoom in and see the threads). I had also figured it was sitting in a "groove" that is in the PTO shaft, which is what keeps the slipclutch from coming off.
The other end of this bolt is not an exposed hex head, but rather was simply rounded and flush with the slip clutch housing (ie recessed, countersunk ever how you want to say it).
I did actually put the nut back on and try driving this bolt through, but it was a feeble attempt because the cover directly above it was in the way and I couldn't get a straight enough angle on it to do any good. I think I will have to hook this rototiller up so I can lift it and then rotate the main shaft to get this bolt in a better position so I can drive it out. Thanks guys!Nothing could be finer than riding my JD790 in South Carolina!!
2001 John Deere 790 4x4 with Model 70 FEL, 5ft International World Agritech bush hog, 5ft Wallberg BB, 5ft Frontier disc harrow, Leinbach PHD with 9" & 12" augers, King Kutter II 60" Rototiller, Leinbach middlebuster, Leinbach #11 Field Cultivator, boom pole, custom 3pt handi-hitch, clamp on bucket forks, Pat's Easy Change.
Nothing runs like a Deere, or smells like a John....
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03-03-2013, 09:08 AM #8Veteran Member
- Join Date
- Sep 2007
- Posts
- 1,384
- Location
- Doniphan, Mo.
- Tractor
- Kubota L4240, B7800 & BX2660
Re: How do you get this slipclutch off??
Yes your right after a closer look, it's a bolt.
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03-03-2013, 09:16 AM #9
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03-03-2013, 09:40 AM #10Super Member
- Join Date
- Sep 2000
- Posts
- 6,261
- Location
- Eastern NY
- Tractor
- Case 885, JD 730D, Oliver 660 Ford 4000
Re: How do you get this slipclutch off??
If you can read this, thank a teacher.
If you are reading this in English, thank a veteran.
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