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Order Ford 3000 Parts Online

3000 three point hiccup

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J. J. R.

06-04-2013 15:11:06

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I used my 1975 3000 on the finishing mower the other day and the three point hitch tends to hiccup. Both at an idle and with RPM’s. I have done cylinder and piston changes one hundred series fords that did the same thing and I was wondering if this 3000 is similar. Also is there a valve someplace that could be the problem instead. The reason I ask is because the lift arms don't seem to leak down much when parked. Even over winter storage. All the older fords I have worked on leaked down almost overnight, that's why I am suspecting something else could be the problem. Any help would be appreciated.

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06-04-2013 15:30:59

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 Re: 3000 three point hiccup in reply to J. J. R., 06-04-2013 15:11:06  
yes.. it's a similar unloading valve type system as the 55-64 used.

just to be clear.

you are sayingthe lift bobs or hunts, but does not leak down ?

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J. J. R.

06-04-2013 18:34:09

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 Re: 3000 three point hiccup in reply to soundguy, 06-04-2013 15:30:59  
With a load on the arms they seem to bob much like when the cylinder leaks and the pump reacts every few seconds to bring it back up. They will leak down a little with a load on the arms and parked, but not when the arms are up and nothing attached. Sounds like the piston seals are leaking, but only with a load on it.

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06-05-2013 05:11:57

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 Re: 3000 three point hiccup in reply to J. J. R., 06-04-2013 18:34:09  
ok.. with no load. even a slightly worn seal can hold the simple weight of the arms up.

if it leaks and bobs with load.. then it's probbaly simple leakdown and circuit regeneration.

while there are a couple places for leaks. cyl mouth is generally a big one.

can you get a mirror on a stick and peer in with a load on it and see how much oil is exiting the cyl bore?

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J. J. R.

06-08-2013 19:23:04

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 Re: 3000 three point hiccup in reply to soundguy, 06-05-2013 05:11:57  
Not sure I can find a place to look in, but I can remove the cover and replace the piston seals and clean up the bore. Thanks for the help.

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06-08-2013 19:31:32

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 Re: 3000 three point hiccup in reply to J. J. R., 06-08-2013 19:23:04  
fill cap?

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J. J. R.

06-15-2013 19:47:59

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 Re: 3000 three point hiccup in reply to soundguy, 06-08-2013 19:31:32  
Oh Yea, What a dummy I am. Thank you. Yep cylinder is leaking. I have new seals on order.

Thanks again

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06-16-2013 18:52:18

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 Re: 3000 three point hiccup in reply to J. J. R., 06-15-2013 19:47:59  
not too hard of a job. have fun.

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