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Live PTO Pictures

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albawila

New User
This is the first one I ever got that would work
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I have this same Dearborn LPTO for my Jubilee. The manual shows a small accumulator that attaches to the pressure collar. Mine did not come with one and nor do I see it on yours. Since yours works without it, it reassures me that maybe mine will too. I believe that all a small accumulator could offer is a little smoother operation and prevent slamming the sprague.
 
I have had two apart. Neither had a accumulator.Still have one, working and in a tractor. Am inclined to think that smoothing up of the pump thrust surfaces and new seals would make most work.
 
Good photos!
Thanks for posting them.
That hydraulic clutch pack reminds me a lot of the pto clutch in a 3 cylinder 4000. Very similar.
I'll bet a guy could adapt a pto clutch to function in one of those tractors pretty easily.
Use a simple lever or valve somewhere to engage it. Figure out how to feather it a little better than Ford did so it doesn't dump you off the back end of the tractor when it engages.

100_1791.jpg
 
(quoted from post at 22:52:05 10/10/14) Good photos!
Thanks for posting them.
That hydraulic clutch pack reminds me a lot of the pto clutch in a 3 cylinder 4000. Very similar.
I'll bet a guy could adapt a pto clutch to function in one of those tractors pretty easily.
Use a simple lever or valve somewhere to engage it. Figure out how to feather it a little better than Ford did so it doesn't dump you off the back end of the tractor when it engages.

<img src="http://i61.photobucket.com/albums/h56/Ultradog/4000/100_1791.jpg">
Click to expand...

Interesting.

And to go further with that, I wonder if some linkage could be engineered to attach to the exisiting clutch pedal. Perhaps work the geometry to get it to function exactly like the original live PTO clutch pedal (high pedal). Just thinking out loud. That would be incredibly cool.

If I can find some time at work (lunch time), I'll try to draw it up in CAD and try to work the linkage out. I'll bet it could be done. I'll look at it.

Kevin
 
for the hyd actuated one, you could put an electrically operated solenoid valve in place of the hand valve, and then have a lever operated, spring loaded pin switch mounted so that when clutch was just pressed enough to take up freeplay that it would clutch the driveline, and then full press killed it all. ??
 
(quoted from post at 17:48:00 10/11/14) for the hyd actuated one, you could put an electrically operated solenoid valve in place of the hand valve, and then have a lever operated, spring loaded pin switch mounted so that when clutch was just pressed enough to take up freeplay that it would clutch the driveline, and then full press killed it all. ??
Click to expand...

I guess it would just matter how much force was needed from the solenoid, and how much current that would be available. Interesting.

I was down looking at my 641 and was also thinking about a hydraulic slave cylinder attaching to the back side of the clutch linkage. Then a fitting through the circular PTO cover for fluid pass-though, and it's "on like Donkey Kong". :D

Pretty sure a pure mechanical linkage could be devised, also.

I am willing to CAD any of the above up.

Was daydreaming if we could pull one of the methods off, and create a kit to convert non-live PTO machines to live PTO machines. Wouldn't that just put a dent in the x60/x61 market, LOL.
 
Can't imagine why current would be an issue, nit a electrically actuated valve , as they are commercially available.
 

On a Bota glide shift that's all that's tween the clutch and transmission... The shift linkage works thru a valve body that releases the pressure on the clutch pack momentarily while the shift is made... Its nuttin new and been around a long time... That clutch drum can handle a bunch of HP...
 
Good pictures.

What is the plumbing on the round plate with that has the dip stick on it?

Is the splines the same on the 641 as the Jubilee?
 
Hello Kevin , If you need any info as far as dimensions or other pictures I still have one brand new kit in the box from Ford it is the second design Live Pto unit like in the pictures without the accumulator valve in it . Thanks Tony
 
(quoted from post at 23:51:55 10/15/14) Hello Kevin , If you need any info as far as dimensions or other pictures I still have one brand new kit in the box from Ford it is the second design Live Pto unit like in the pictures without the accumulator valve in it . Thanks Tony
Click to expand...

Tony,

I'll take you up on the pictures (maybe dimensions later).

I do have a fundamental lack of understanding of how it works, though. Correct me if I'm wrong, please. Is that a small/baby pump driven off the main hydraulic pump, which feeds fluid (and pressure) to a clutch pack (plates)? So as long as the engine's running, there is pressure on the plates, and therefore shafts both are coupled together? Then, pull the lever and it dumps pressure somehow and uncouples the shaft?

Also, I am not familiar at all with the setup that UD is mentioning. Is it the same basic principle?

I had it in my brain that it was like a simple hydraulic throwout bearing.

My email is krleppert attt gmail dottt com.

Thanks,
Kevin
 
I'd be very interested in seeing the fruits of this endeavor.

I made a thread a while back about converting an 841 to live-PTO...I can't recall at the moment what the verdict was, but it's cool to think about...
 
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