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P21f new solenoids or diff valve

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shovelhead
Join Date: Mar 2017
Posts: 20 Southern Arkansas
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2017-04-23          196554

On the P21f w/ elect. over hyd., one of the solenoids that lowers the lower arms is shot. Was thinking of finding a diff. setup, so i can just use a lever instead of using joystick. Would like to know if anyone has done this using a ford type hyd. valve or not? If so, which models to look at. 1310,1710 or ? Thanx for any help or suggestions. Jim

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P21f new solenoids or diff valve

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lsheaffer
Join Date: Jun 1999
Posts: 1082 Northern Illinois
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2017-04-23          196556

The Fords are different. If you can figure out which passages under the solenoid are supply & feed passages, then you could make a plate w/threaded opening to go to an external valve. ....

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P21f new solenoids or diff valve

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shovelhead
Join Date: Mar 2017
Posts: 20 Southern Arkansas
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2017-04-24          196560

I guess i am a little slow this morning. And don't exactly know what your talking about, are you saying to bypass solenoid? And go str8 to line that it feeds or? Also i can't figure out how to add pix by url, i do know that the solenoid that is on the front (facing engine) is the one that isn't relieving the press. to let 3pt. down. I believe we have talked on the phone, This is the tractor from the guy in Harrison, Ar. had, that i had bought. I could email you a pic, and maybe go from there?? Thank You Jim ....

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P21f new solenoids or diff valve

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shovelhead
Join Date: Mar 2017
Posts: 20 Southern Arkansas
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2017-04-24          196562

By looking at Parts manual, i think part #34029 3245(solenoid valve) is the one i need? Also, page 1-165 #23 is a relief valve. Can i turn this to lower arms after removing the acorn nut (lock nut/ slotted screw). I see that page 1-165, item #12 what does this do, as far as hyd. valve? Thank You for your time. Jim ....

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Shibaura P21f new solenoids or diff valve
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P21f new solenoids or diff valve

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Rubman
Join Date: Jan 2010
Posts: 8 Tasmania Australia
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2017-06-20          196755

I also have a P21F here in Australia and the down solenoid is burnt out also. My simple fix was to remove the solenoid cap and push the pin manually to let the 3 point down. If you want will take a photo and send so you can get an idea of what I have done. Has worked perfectly for 3 years now> ....

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P21f new solenoids or diff valve

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lsheaffer
Join Date: Jun 1999
Posts: 1082 Northern Illinois
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2017-06-20          196756

I wouldn't mess with the relief valve. Rubman's way is the simpler fix. Several people have done this. My suggestion was a way to eliminate the electric over hydraulic. You would remove the control valve, determine which passage do what, make a cover block to attach hoses to a control valve. ....

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P21f new solenoids or diff valve

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shovelhead
Join Date: Mar 2017
Posts: 20 Southern Arkansas
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2017-06-22          196764

Rubman, post pix of what you got, i can use all the visual i can get. I need to fix this , so i can install fel and start using this thing. Wife says fix or sell, lol. ....

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P21f new solenoids or diff valve

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lsheaffer
Join Date: Jun 1999
Posts: 1082 Northern Illinois
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2017-06-22          196765

You don't need the 3 point for the loader hydraulics to work properly. ....

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P21f new solenoids or diff valve

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shovelhead
Join Date: Mar 2017
Posts: 20 Southern Arkansas
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2017-06-23          196770

Yes Sir, i know this. But need a counter balance for fel, is what i was getting at. Sry, for the sound of confusion. Would like to see what Rubman came up with is all. ....

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P21f new solenoids or diff valve

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Rubman
Join Date: Jan 2010
Posts: 8 Tasmania Australia
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2017-07-01          196792

....

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Shibaura P21f new solenoids or diff valve
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P21f new solenoids or diff valve

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Rubman
Join Date: Jan 2010
Posts: 8 Tasmania Australia
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2017-07-01          196794

....

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Shibaura P21f new solenoids or diff valve
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P21f new solenoids or diff valve

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Rubman
Join Date: Jan 2010
Posts: 8 Tasmania Australia
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2017-07-01          196795

....

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Shibaura P21f new solenoids or diff valve
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P21f new solenoids or diff valve

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Rubman
Join Date: Jan 2010
Posts: 8 Tasmania Australia
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2017-07-01          196796

So all I did was to remove the solenoid coil , inside is a small push pin - then got a 5/16 bolt roughly 5 inches , drilled a small hole in one end to locate over the push pin then drilled a hole in the frame and mounted bolt with an inside nut to hold it in position - push bolt 3 point lowers - Has worked perfectly for about 3 years so far. But if anyone could locate the solenoids , i would love to put it back to standard !

....

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P21f new solenoids or diff valve

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shovelhead
Join Date: Mar 2017
Posts: 20 Southern Arkansas
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2017-07-02          196797

TYVM, it's good to have a visual in order to understand what someone is talking about. And if its worked that long it'll work for me, performance is key, looks aren't that important, although detail is. That's my thinking anyways. Thanx for your help, Happy Fourth to you and yours, b safe. ....

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P21f new solenoids or diff valve

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Rubman
Join Date: Jan 2010
Posts: 8 Tasmania Australia
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2017-07-03          196800

make sure you post a photo of your version !

Mark ....

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P21f new solenoids or diff valve

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shovelhead
Join Date: Mar 2017
Posts: 20 Southern Arkansas
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2017-07-04          196808

Will do man, i'll get back to working on this wk. hopefully . Jim ....

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P21f new solenoids or diff valve

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Rubman
Join Date: Jan 2010
Posts: 8 Tasmania Australia
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2017-10-02          197136

Any news on the fix ? ....

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P21f new solenoids or diff valve

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shovelhead
Join Date: Mar 2017
Posts: 20 Southern Arkansas
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2017-10-03          197151

No sir, hadn't finished. Had another back surgery soon after starting. Hopefully by this winter. Will post when i can ....

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