1025R Hydraulic Pressure Adjustment

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I struggled trying to adjust this the first time and caused some damage. See how I fix it and finally make the adjustment I wanted.
Be warned that exceeding the upper limits of acceptable pressure may lead to voiding your JD warranty!
Pressure Gauge used : www.boltonhook...
With 1/4" ag couplers.
Replacement set screw size : M10x1.5x30
Mini lesson
Hydraulic Force = Pressure x Area (of cylinder)
Example: 1.5" cylinder Area = 1.5(2) x 3.14159 Divided by 4. For an area of 1.7671 cubic inches
1.7671 x 1900 PSI = 3,357.49 lbs of force
1.7671 x 2200 PSI = 3,887.62 lbs of force
Nifty calculator
www.hydraulic-...
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Опубликовано:

21 окт 2024

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Комментарии : 26

@rdharris802 11 месяцев назад

Best video I've seen so far on how to adjust the pressure. I ran into the same problem with the paint issue. Now I feel confident that I was on the right track for the fix. Thanks for posting!

@atslastname5624 6 месяцев назад

Excellent video. I've seen several videos where, ostensibly, the paint caused problems loosening the lock nut -- so I tried to be proactive by special-ordering some Kleanstrip Aircraft Paint Remover just for this adjustment job. Soaked the paint really well and let it sit for more than an hour. The paint remover did dissolve most of the paint. Used a ratchet and 14 mm socket on the lock nut to lessen the chance of stripping the nut. The nut wouldn't budge with just a 3/8 drive ratchet. Replaced the ratchet with a big-ass breaker bar, and the nut finally started to turn -- along with the entire fitting. I gotta believe it's more than paint holding that lock nut on. Anyway, with the whole fitting removed, I finally got the lock nut off by taking the fitting to the bench and using a vise. Oiled up the set screw and re-installed the fitting along with a now loosened lock nut and set screw. Question for you: After removing the set screw and reinstalling it, where do you *initially* position the set screw before making the fine-tuned adjustments. Seems to me you would seat the screw by turning it all the way clockwise, then back it off (a magic number) of turns. Can you suggest how many turns to back off the set screw from its seated position? Thanks.

@projectswithjw 6 месяцев назад

I don't think there is a magic number of turns. I put my screw in until i could feel the spring resistance, then watched the gauge as I run it in. I would be really hard to get it right without the pressure gauge.

@MightyLittleGreenMachine Год назад

Well done. Good fix if there is a problem. I have been wondering how to test mine with the single point connector. Now I know. Thank You

@dsumner7 Год назад

Your video helped me with trying to get my allen screw broke loose! Thank you very much for the your helpful insight!!!

@catfish500mark9 2 года назад

So exactly what did this accomplish? More speed for the implements or more lifting capacity or both? Thx

@projectswithjw 2 года назад

It's for more lift capacity. Not sure how much difference yet. I had some large landscape rocks that I had been dragging because I couldn't lift them. I'm hoping to at least get them 8 inches off the ground next time. For faster hydraulics, a larger pump or hydrosplus kit is needed. The original is a 6.3 gpm pump. I have a 9.5 gpm pump on right now.

@thomasjfarver2101 10 месяцев назад

After hopefully getting to put it through its paces by now, how much lift capacity would you think you’ve gained? Thanks for the informative video.

@projectswithjw 10 месяцев назад

I don't know a number specifically. I can lift rear off the ground with the backhoe and 300 lbs of wheel weight. Sometimes I throw suitcase weights in the backhoe bucket too.

@thomasjfarver2101 10 месяцев назад

@@projectswithjw damn that’s impressive. Thanks.

@tdtinspectionservices 10 месяцев назад

Yikes. Please use the box end of the wrench to break the nut loose.

@adamd4218 7 месяцев назад

Did you remove the bottom of the fender to get at that valve?

@projectswithjw 7 месяцев назад

Nope, just the wheel is in the way.

@adamd4218 7 месяцев назад

Excellent, thank you.@@projectswithjw

@wraith3951 2 года назад

It looks as if the head of the set screw was purposefully nicked as a way to prevent owners from raising the pressure of the hydraulic system and also as a way to show the dealer or JD Service person that the Hydraulic Pressure valve was tampered with after factory setting.

@projectswithjw 2 года назад

It wasn't like that. I caused that damage trying to twist it before breaking the paint loose. It's a detail I never heard of while watching other videos.

@wraith3951 2 года назад

@@projectswithjw I stand Corrected. Thanx for pointing that out. Sometiems videos hid little details that cause the facts to be covered up. Glad you were able ot Overcome this issue and get it fixed. I know quite a few that would have given up and paid someone else to fix it. Not Me!

@aprilgeneric8027 Год назад

magnusson moss act, usa law, once you buy it, it's yours to do with as pleased even if just to use as a paper weight or run a commercial business. lawyers are allowed to lie only because we let them. perjury applies to lawyers also

@wardbru703 Год назад

Does this increase the pressure to the backhoe too?

@projectswithjw Год назад

It will up to 2500 PSI which is the setpoint of the PRV on the backhoe. Whichever PRV is lowest in the system becomes the weakest link. The way it comes from the factory, the loader PRV is the weakest so it's the first to go into relief mode.