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Tractor Talk Discussion Forum

PTO - How fast should it stop??

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Joe in IN

07-27-2006 08:42:22




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Have a JD3010D.

When I turn the PTO off it keeps moving, not under power, just until it runs out of energy. Could be 5 seconds could be 30 seconds depending what is hooked up.

When I throw the lever to disengage the PTO is it supposed to quit turning immediately?




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Bob

07-27-2006 10:55:38




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 Re: PTO - How fast should it stop?? in reply to Joe in IN, 07-27-2006 08:42:22  
Some of the guys need to think a moment before posting about something as serious as a PTO brake, or at least know what they are talking about before posting incorrect information!

Your 3010 DEFINITELY has one. It is Key # 17 in the drawing:

Third Party Image

If your's has no braking effect, it is either out of adjustment, or there is a problem with the actual brake, or the linkage or pin that activates it.

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massey333

07-27-2006 12:53:52




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 Re: PTO - How fast should it stop?? in reply to Bob, 07-27-2006 10:55:38  
There were too many questions left unanswered,How fast was the engine running,what was hooked to the PTO if anything, before there can be an answer.Those PTO brakes weren't meant to stop a big(FLYWHEEL) load only keep thePTO from turning.FULL SPEED with Rotary mower=30-45Sec.or more.Idle with mower=15-20 Sec.Idle with no load =5-10 Sec..Thats with the brake working correctly.All Brands with a Mech.control were the same action.This was based on 540,not1000RPM.

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Nebraska Cowman

07-27-2006 12:28:26




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 Re: PTO - How fast should it stop?? in reply to Bob, 07-27-2006 10:55:38  
thanks Bob, I didn't reply because I figured it had a brake but had no idea how to tell him to fix it.
third party image



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Coloken

07-27-2006 10:29:53




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 Re: PTO - How fast should it stop?? in reply to Joe in IN, 07-27-2006 08:42:22  
Joe, they keep on coasting. Most don't have any kind of brake. Its kinda like when you push in the clutch to shift into gear and the gears grind for a bit till they stop.



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DaveH IA

07-27-2006 10:28:26




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 Re: PTO - How fast should it stop?? in reply to Joe in IN, 07-27-2006 08:42:22  
Back when that tractor was new---you pulled the lever back to a detent(neutral) and it coasted to a stop---pulled it on back over the detent and the shaft would stop with nothing on it---now 45 years later there might be some wear in the linkage-- or its out of adjustment --or the detent under the dash is stuck and won't let you apply the brake or the brake is worn out---it won't stop instantly if you are running a bush hog

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Joe in IN

07-27-2006 10:11:55




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 Re: PTO - How fast should it stop?? in reply to Joe in IN, 07-27-2006 08:42:22  
I must have not explained well.

The tractor has a live PTO. I can sit in one place and run the PTO all day long.

When I go to turn the PTO off it(the PTO) keeps going and just gradually slows down.(Tractor will either remain in motion or remain not moving, depending on what I am doing).

Is the PTO supposed to quit immediately or do they all take a while to stop(thus blade on bosh-hog keeps turning for 20 or 30 seconds).

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paul

07-27-2006 20:16:18




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 Re: PTO - How fast should it stop?? in reply to Joe in IN, 07-27-2006 10:11:55  
I understood you; but I don't know what your tractor _actually_ has. Some models have a pto brake & should stop fairly quick. Some other models have no brake at all, & a brush hog will take a minute or 2 to spin down.

So, you need to know your tractor to know what type you have.

As per replies below, you are supposed to have a brake on that model tractor - something is busted or loose.

--->Paul

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oldart

07-27-2006 09:38:12




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 Re: PTO - How fast should it stop?? in reply to Joe in IN, 07-27-2006 08:42:22  
no it has no brake only the load of what you are running a bush hog will coast for some . that makes the tractor want to keep going .



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paul

07-27-2006 09:34:15




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 Re: PTO - How fast should it stop?? in reply to Joe in IN, 07-27-2006 08:42:22  
Old tractors had no live pto, so the rear wheels were hooked in as well - as the pto spins down, it keeps driving the wheels, no stopping!

Then they had live pto, but no pto brake. So, the pto/ implement just spins down on it's own. Nothing wrong with that, just common sense.

Newer tractors got a brake on the pto with independant pto. A person could feather it a bit with the handle. Really nice, if you need the brake for some reason. If not, don't move the lever too fast & let the implement spin down, not wear or break anything.

Newest tractors have hyd control of the independant pto; put it on & it is basically instant on; put it off & the brake tries to lock it up tight. This tends to twist a lot of shafts off, break pins, and otherwise mangle parts. As well as wear out the pto brake real fast. One has to be careful to turn the pto on & off at as slow an engine rpm as possible. Some say they have automatic feathering, but....

Not sure which type you have of the last few.

--->Paul

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