Hydraulic Leak
- Thread starter Smokey160
- Start date
It takes very little of both. Any decent hydraulic shop should be able to do that. Post a full kength picture of the pipe.
Dan
Well, of course I did not think about a local hydraulic shop!! Thank you for that advice! I’ll post a full length picture tomorrow sometime. Thank
You again!!! I really appreciate your insight!
North Idaho Wolfman
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I'm really not seeing a crack, and I have a 30" computer monitor.
Please point at where you think the crack is?
Please point at where you think the crack is?
North Idaho Wolfman
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I thought he was talking about this. Hard to tell exactly whst it is from the picture but could be a split.
Dan
Russell King
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I am agreeing with @North Idaho Wolfman on the “I don’t see a crack”! I also thought what @TheOldHokie thinks is suspected crack but that just looks like pooled oil with light reflecting off it now.
I don’t think the size of the bolts and the (probably aluminum) material they thread into have the strength to do damage to that hunk of steel, but I concede that anything is possible.
I personally don’t see any reason why there would be a leak on the face of that joint, so I have no idea what is going on.
@Smokey160 - please clean that part up a bit to remove the oil since it reflects the light oddly in pictures. I would use Berryman B12 or a non-chlorinated brake parts cleaner in a spray can to blast it clean. You should remove the o-ring first or it will probably get lost. Then take another picture of the part after it dries without the o-ring and another with the o-ring. I guess if you have some third hand available use a sharp pencil point or something similar to point to the suspected crack to help us see what you are looking at.
I don’t think the size of the bolts and the (probably aluminum) material they thread into have the strength to do damage to that hunk of steel, but I concede that anything is possible.
I personally don’t see any reason why there would be a leak on the face of that joint, so I have no idea what is going on.
@Smokey160 - please clean that part up a bit to remove the oil since it reflects the light oddly in pictures. I would use Berryman B12 or a non-chlorinated brake parts cleaner in a spray can to blast it clean. You should remove the o-ring first or it will probably get lost. Then take another picture of the part after it dries without the o-ring and another with the o-ring. I guess if you have some third hand available use a sharp pencil point or something similar to point to the suspected crack to help us see what you are looking at.
I attached a few more pictures at different angles, and pointing to where it kind looked cracked to me.
Also, I know this may not matter, but I remember when I gave the Kubota dealer the part number for the O ring he said they had changed the number and gave me this one. It does seem to fit right but as you can see where I laid it on top that you had to manipulate it in
I have attached some more pictures and tried to show where I think it is cracked using a pencil. I also attached a picture of the o ring because I want to make sure I have the right one. The Kubota dealer told me when I gave him the part # that it had changed and gave me this one which also goes on the other end too. They work fine but is it right that you have to manipulate them into place - you see how it sits on top without any manipulation?
Attachments
You should have to gently work the oring into place but that oring does not look like it fits to me. It should be snug in the groove, no gaps on either side, and stand proud of the face of the flange. That looks like its the wrong diameter and possibly thickness.
Dan
North Idaho Wolfman
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That's not the right O-ring
The right O-ring should be (EDITED) 04810-00200
What was the part number that you got?
I looked over all the pics again I still don't see a crack.
The chances of it being cracked are very very rare.
The right O-ring should be (EDITED) 04810-00200
What was the part number that you got?
I looked over all the pics again I still don't see a crack.
The chances of it being cracked are very very rare.
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I went back and looked at the package that the dealer gave me on the O ring and you are right they gave me the wrong o ring. When I gave him the right part number told he looked it up and told me the part # had changed (by 1 digit) and gave me part # 04817-00200, instead if I looked correctly it should be part# 04810-00200.
Dan, I cannot thank you enough for your expertise and sharp eye for detail!! I will get the right o ring and let you know after I reassemble
North Idaho Wolfman
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NO, neither off those numbers are the right part numbers!
The right part number is:
(EDIT: Removed bad part number)
Last edited:
Dan, I just went online and looked up the o ring, and it is saying that the part# was changed and the one I have is correct-per the diagram.
Oh, sorry, I just made a post to you. Thank you for sending me the correct part # !!!!
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North Idaho Wolfman
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OH NO I MESSED UP! 
You are right I gave you the wrong part number that was for the suction side not the pressure side.
The pressure side is 04810-00200
Sorry for confusing you!
You are right I gave you the wrong part number that was for the suction side not the pressure side.
The pressure side is 04810-00200
Sorry for confusing you!
North Idaho Wolfman
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Ok now things are getting real confusing
As they are saying that PN
04810-00200
Has been superceded to PN
04817-00200
So that O-ring should fit it:
As they are saying that PN
04810-00200
Has been superceded to PN
04817-00200
So that O-ring should fit it:
Just as a point of interest where I worked we had a JD 850 which was made by Yanmar. It used a similar type of hydraulic pump connection. We ended up replacing the line twice due to cracking where the tube was welded to the base. It saw a lot of loader use. Just wanted to post as possible leak issue if O ring doesn't correct issue.