John Deere 8370R hydraulic diagnostics - This one ALMOST stumped me!
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- เผยแพร่เมื่อ 5 ก.ย. 2024
- Going back to the 8370R that the customer is complaining of hard steering when turning on the end rows while planting. Got to love a good challenge! Continuing from part 1, I am back to replace the load compensation valve on the main pump that I could NOT get to adjust because the adjustment screw was seized solid. Got to get the main pump pressure up to continue diagnostics. One thing leads to another and I end up having to yank the duals off to make some pressure adjustments and replace the whole entire priority valve housing.
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Zeth before you completely go down the rabbit hole does the planter have a hyd fertilizer pump? If it is bypassing or the screw to adjust flow is backed all the way out it will be taking the steering away. Had this exact thing happen last year. Unhooked planter and tractor was fine.
In 1985 I wrote Caterpillars systems and diagnostics procedures for LSPC hydraulic systems to fully adjust margin pressure and relief pressure. Three of designed the Caterpillar differential pressure gauge group. If you work on LSPC systems get this gauge. It’ll save you a lot of headaches
There’s a lot of hydraulic oil doing a lot of different jobs at the same time here Zeth. I understood your clear explanation of the respective components. If I was a rich farmer I would draw comfort that the Deere support network had people in it like you that know what they’re doing.
Enjoyable watch Zeth, thank you.
Thank you!
I AM GLAD THAT JOHN DEERE MADE INSTALLATION USER FRIENDLY.
Intermittent problems and not being to recreate the problem can be one of many rabbit holes to go down . Great job , love the content takecare 🇺🇲🚜
I think the faucet can turn off now. Drought to flood in a year. It's always enjoyable to watch you work. With each job you have an opportunity to learn something, so the next time you run into something similar, you have a better idea of an approach. Each job adds something to the library. Thank you for the interesting video. Stay safe, and God bless.
Good job troubleshooting and not just throwing parts at it. Be Safe!
I always like to watch a good troubleshooter. Thanks for bringing us along!
If Mr. Z says something is Heavy, it's HEAVY. Thanx for sharing. 😃
Good to see the case tractor is not broken!!!!!
Because that old boxcar has half the systems a new 8R has.
No CaseIH dealer will allow their technicians to share the things they are working on.
went down the rabbit hole once before and we replaced the hydro pump and everything was back to normal. Customer said the steering would work in the field but on the road it was very hard. Haven't had any problems with it since.
Glad I got out of the trade before Hydraulics got so damn complicated, tying it all to the trans etc. Things were simpler in my day, except for combines of course. Thanks Zeth for taking tiny steps rather than big strides. Look forward to next video. From UK.
I love watching your videos, very good content, honestly it is wonderful to be able to see you and learn from all your work, thank you for your channel, happiness
Thanks for another awesome video ZK and Joseph.
It was extremely informative and interesting and enjoyable to watch.
Wow. This tractor gave you a run for its money. You had lots of testing to do and I know from watching you, you didn’t know exactly which way to go with this one. Appreciate the fact you gave the customer the benefit of replacing that valve body under warranty. Like you said, hard to say what the issue is because you never got it to fail. Agree with your decision to replace the valve body and go from there.
I give you a tip of the hat for fighting that new valve body back in there. What a struggle. So many lines to hook and rehook back up. And it appears to be doing ok now.
On to the combine for you and Joseph. He appears to work well with you. Thanks for teaching him.
Thanks for everything ZK. Really enjoy your videos. You are one of the best John Deere has sir!!!!!!!!!!!
Hang in there. Take care.
The Iowa farm boy. Steve.
😊😊👍👋🇺🇸🇺🇸
I feel your pain installing the valve, almost thirty years working on forklifts I came across a few where removing parts to gain access took longer than removing the valve itself. Love the channel and its content 👍
Forklifts, skid steers, and small frame excavators are the worst.
You are very thorough ZK.
Good time for rain crops are at perfect stage in growth.
Great job it's always the same tractor acts up call in the technicians suddenly tractor ok for them
You got that right
Thanks for sharing your expertise on this stuff Mr. Z. The tools you are using are awesome.
You had the trouble all mechanics have at one time or another in there career.i have had this issue where i could not get the thing to do what the customer complained about.
Wow, what a nightmare .Great job, ZK MASTER TECH. Thanks for sharing 👍 Great video .untill next video ✌️🇺🇸
Another awesome vid! Keep the deere's running!
If the steering was receiving 6gpm that would make for some wicked fast steering. Short of another bypass and return system for the steering circuit I'd say that corroborates the priority valve bypassing internally.
ZK master tech with patience of Job God speed to brother love your channel 😅
Thanks 😅
As a maintenance technician sometimes I am scavenging for the root cause of the problem but every now and again I get lucky 🍀
Hi zeth John from England another great video keep them coming watched every one 👍
you have to be brilliant to work on any JD junk because the engineers who made this junk sure didn't care about the extra hard work guys like this have to do to fix it, you are the man ZK, give CAT a call, you would be very well taken care of!
😂😂😂cat doesn’t make tractors. 🤡
Hola buenas tardes, como siempre muy bueno tus videos!!
Greetings from Germany. Super exciting videos and super cool explanations. Keep up the good work.
That's the trouble now zeth tractors are getting to complicate.
Just have to do your best 👍👍👍👍👍
I have hydraulic problems on same tractor model on Brazil.. but here tools to test it's hard to get
Another great video. Thankyou.
Nice job 👏👏👏
Orifice inside steering pump (on pressure line) could cause steering problem as well
Great video.
Well done
Great job
Great work a👍
Guy made the call about hard steering. Realized later the fluid was low and topped it off....
The priority valve orings internally fail due to a bad priority valve
I like the video's very much, it's one of the reasons i get case or fendt. 😮
Alsome, love all of your content,
Putting some of the fittings back on the valve after installing the valve would have been easier I think.
Damn Son! Another oil in the coolant job! FeelsSadMan!
Nice Vid!
Вы молодцы,какая неисправность была в Джон Дире ?
Did this once on a 5r. Painful process
Why are the replacement parts not painted factory color?
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Hello, I have seen your videos, I would like to see if you could give me some advice and clues with a problem I have with my tractor ,
It is a jd 8530 ivt, these codes appear to me pti 630.13 pti 523912.13 They have already done solenoid tests, hydraulic pressure tests
all good.
We tried with a new controller from another tractor and it worked but it did not accelerate and there were problems with communication, but it was calibrated and worked
The John Deere came and reprogrammed the new controller according to my tractor, and it failed again with the codes that I mentioned at the beginning.
I don't know if you could help me, I would appreciate it.
Don’t you hate tight heavy parts
I need to join with you i am working in saudi arabia john deere dealer
DTAC lol
Got unsubscribed again, what's going on TH-cam?
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