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I got a quick-attach set-up which is mostly complete. I need to do the finish welding. Two questions - I see most other setups tied from one side to the other. Is that necessary to keep them aligned or is it just an improvement? Second, how much slop is acceptable? Now that the top pin is...

Definitely deal with those sticky relief valves. You're lucky in blowing a hose as I bent a cylinder when the relief wasn't right.

Update and hopefully this can help someone else - I believe the only way to pull the boom cylinder is to lower the arm below horizontal. I also rotated the boom about 90 degrees to the side to work with my location and that also helped to get the cylinder out. You do not have to disconnect...

Where would it be leaking from the cylinder? I think if its either the cylinder or a hose I'd still need to pull the cylinder, right? I'll need the cylinder out to swap out the hose. Just out of curiosity, would I have heard anything if it were the hose? I definitely agree with replacing...

You can kind of see in this picture the lower arm that the cylinder goes into. The fluid was pouring out the very bottom where the 6 hydraulic lines pass through: Here's the stump by the way:

I was digging out a stump, heard a pop, and then no more lift. BL4690 three-point hitch backhoe on a L3710. Hydraulic fluid started pouring out the bottom of the arm. What is the process for accessing that cylinder? Turn the backhoe perpendicular to the tractor, remove the upper...

Bump for any input?

Very nice - maybe I missed it, but how thick is that steel plate? My problem in making one of those is that I doubt my bucket is all that straight.

To start with - I bent a hydraulic cylinder on my 4690 and posted awhile back trying to fix it: http://www.orangetractortalks.com/forums/showthread.php?t=27176. I ended up getting a shop to fix it for me (new induction hardened rod and new cast iron gland) and reinstalled it. I got to thinking...

Thanks for that detailed explanation - I have not approached it the way that you described. I tried pulling on the butt end of the retainer ring, but with not much to grab onto and no leverage couldn't get it to move. I tried using a punch on the butt end to see if it would move at all and it...

Its been a few weeks and I'm at something of a roadblock. I've attempted to loosen the retainer ring with a few different methods. I also took it to a tractor shop and they could not loosen either. Its an aluminum ring and it has both cracked and wallowed out but would not spin. It seems...

I believe I generally understand how the retainer ring works and more now with the last couple posts, but to really confirm this further: So the gland rotates clockwise? Meaning that the square end of the retainer ring should go down into the cylinder as the rest of it comes out (that's...

Here's what it looks like now:

So I had just a minute and tried turning the gland with this tool that I found (the rod wasn't fully extended or disconnected): http://www.armstrongtools.com/wrenches/spanner/armstrong-34-154-adjustable-face-spanner-wrench-3.html. I hit it with a dead blow hammer pretty good and couldn't get...

Is there a Kubota tool for removing this retaining ring? buy a off the shelf one? make your own? Two pins on a length of steel?

Thanks for the replies - i'll take it apart and see what I can do. Now for the actual taking it apart part ... I should be able to just pull the top pin, then rotate the rod so the retaining ring comes out, and pull it apart? I haven't had to do this before so any advice would be...

Regarding the restrictors - the new setup is probably smoother than before. So if their purpose is solely speed and didn't cause this, then that's a relief. I'd like the bucket curl in particular to speed up - would it be safe to remove the restrictor to do this?

Thanks for the cylinder info - is there another option that would work better? I believe the pins should work - the pin and the cylinder are both 1". I'm more concerned that it doesn't bend again over the cost savings. Here's a pic: Is this able to be straightened? If I were to continue...

So first post ... I bent the rod on the boom/crowd hydraulic cylinder. This is a BL4690 backhoe mounted on my L3710. I don't have a ton of experience with hydraulics and have a few questions. First, I couldn't run the backhoe with the Kubota controls as most of my time has been on a Yanmar...