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  1. #11
    Super Member crazyal's Avatar
    Join Date
    Dec 2003
    Posts
    5,785
    Location
    Northern Vermont

    Default Re: Hydraulic cylinder rod reconditioning?

    A hydraulics shop can cut the rod end off and weld it to a new rod. They stock most diameters in stock lengths and will cut it to length and machine it as needed.
    Kubota L4240,Case 580K backhoe, Case 450 Dozer

  2. #12
    Elite Member Don87's Avatar
    Join Date
    May 2010
    Posts
    4,226
    Location
    SW Pa.
    Tractor
    Massey Ferguson GC2400

    Default Re: Hydraulic cylinder rod reconditioning?

    Quote Originally Posted by WinterDeere View Post
    I used to restore a lot of vintage woodworking machinery, and frequently used electrolysis on the parts. Basically, fill a Rubbermaid trash can with water and washing soda (or any electrolyte), throw a scrap of rebar and the part to be cleaned in the tank, and connect a battery charger between them (cathode to the good part). Cook two to five days, and your part is rust free, with no abrasives (and thus no damage) necessary.

    I only hesitate with these cylinder rods, because I don't know if they have some type of plating that could be lifted in the process. Are these rods typically plated?
    Short answer............yes.


    See above responces
    Don

    MF GC2400, FEL, 60in.MMM, 5ft. Cultivator, Single Bottom Plow, Bush Hog RTC48 tiller, MF 2360 front mount snowblower, 5ft backblade. BXpanded Piranha toothbar.

  3. #13
    Silver Member WinterDeere's Avatar
    Join Date
    Sep 2011
    Posts
    145
    Location
    Philadelphia
    Tractor
    John Deere 855

    Default Re: Hydraulic cylinder rod reconditioning?

    Thanks, guys! I'm in the Philly / Allentown area. Yep... that Allentown.

    Not sure these need a strip and replate, but will look into it, either way. I got a chance to use the tractor some over the weekend, and now it's looking to me like most of the light rust is indeed beyond the range of travel, as installed on this loader. I'll have to inspect closer and measure next time I use the machine, but it seems that may be the case.

  4. #14
    Super Member
    Join Date
    Feb 2006
    Posts
    7,719
    Location
    VA
    Tractor
    JD2010, Kubota3450,2550, Mahindra 7520 w FEL w Skid Steer QC w/Tilt Tatch, & BH, BX1500

    Default Re: Hydraulic cylinder rod reconditioning?

    Quote Originally Posted by WinterDeere View Post
    I recently purchased a deere 855 with a model 52 front end loader. One bucket cylinder is leaking, and while I can easily buy and install new seals, I believe the source of the damage may be some small rust spots on the cylinder rod. I'd hate to install $100 in new seals (JD pricing... maybe I can find them cheaper at a hydraulics shop?), only to damage the new end seal when the less than stellar rod runs thru it.

    I took some steel wool to the rod, and it definitely knocked these spots down some, but did not eliminate them. I tried a wire wheel on an angle grinder, and it had not affect. I hesitate to try anything more agressive than this, although I might try some silicon carbide paper by hand, if that's advisable.

    JD no longer makes the cylinder, so my choices are either find a used one (not likely), somehow refurbish the one I have, or retrofit some other cylinder onto the loader. I would really like to refurbish what I have, so what's the best way to make that happen? I'm not stranger to electrolysis, which might get rid of those rust spots with the least amount of collateral damage, but are there hydraulic shops which specifically do this type of cylinder repair / replacement?

    Sure would be nice if someone found commercial equivalents to these Deere parts, since they can no longer be had thru your Deere dealer.
    Avoid abrasive. ... Try Brillo steel wool soap pads. The soap and water combined with the non abrasive steel produces a surprisingly good effect. The seals will probably need replacement because they are already damaged, but leakage may decrease enuf to forestall that. That pitted chrome will need good care from now on unless you use it everyday to keep it oiled.
    larry
    This side of 40
    JD2010, Kubota L3450/FEL w SK QC, L2550 w FEL
    Mahindra 7520 [Pinky] /FEL w Skid Steer QC/w Tilt Tatch & BH, BX1500 [Mighty Mouse]
    IH37 Baler, CCM165 Drum Mower, JD Rake
    JD 127 bushog, Flail, SK Tilt Tatch , KK tiller, Rhino rear blade, Post driver, post auger, chipper, pallet fork, Grapple/Loader Buddy, Homemade Splitter/DC Welder

  5. #15
    New Member
    Join Date
    Apr 2011
    Posts
    5
    Location
    Johnstown, OH
    Tractor
    John Deere 755

    Default Re: Hydraulic cylinder rod reconditioning?

    I have a 755 with model 52 loader and am also getting ready to take apart a leaking cylinder to replace the seals. I was expecting to find holes for a gland nut wrench on the shaft end of the cylinder, but don't see them. There is a snap ring, but after removing it, the shaft still will not come out of the cylinder. Is there something I am missing? Thanks

  6. #16

    Default Re: Hydraulic cylinder rod reconditioning?

    Quote Originally Posted by parmens View Post
    I have a 755 with model 52 loader and am also getting ready to take apart a leaking cylinder to replace the seals. I was expecting to find holes for a gland nut wrench on the shaft end of the cylinder, but don't see them. There is a snap ring, but after removing it, the shaft still will not come out of the cylinder. Is there something I am missing? Thanks
    Some of them that have snap rings will have a set screw on the side. A lot of these can be a pain in the butt. If you get all the fluid out you can pull up on the rod and keep going in and out and kinda hammer it out.

  7. #17
    Gold Member
    Join Date
    Feb 2011
    Posts
    437
    Location
    Parish NY
    Tractor
    555DTC Farmall 200

    Default Re: Hydraulic cylinder rod reconditioning?

    To give an idea I just had the boom cylinder rebuilt on my back hoe. $234 included total rebuild /repack including a new cylinder as mine had a nick. They also had to cut the eye off the old cylinder and weld it to the new one. I considered that fairy reasonable

  8. #18
    Super Member
    Join Date
    Feb 2006
    Posts
    7,719
    Location
    VA
    Tractor
    JD2010, Kubota3450,2550, Mahindra 7520 w FEL w Skid Steer QC w/Tilt Tatch, & BH, BX1500

    Default Re: Hydraulic cylinder rod reconditioning?

    Quote Originally Posted by parmens View Post
    I have a 755 with model 52 loader and am also getting ready to take apart a leaking cylinder to replace the seals. I was expecting to find holes for a gland nut wrench on the shaft end of the cylinder, but don't see them. There is a snap ring, but after removing it, the shaft still will not come out of the cylinder. Is there something I am missing? Thanks
    How much is it leaking? I assume it is a rod seal? Does it spurt out when you apply pressure on the rod side, or does it stay wet and drip occasionally? Are you going to spent 100s of $ of parts and time to save an ounce a month of hyd fluid? What else do you have that needs doing?
    larry
    This side of 40
    JD2010, Kubota L3450/FEL w SK QC, L2550 w FEL
    Mahindra 7520 [Pinky] /FEL w Skid Steer QC/w Tilt Tatch & BH, BX1500 [Mighty Mouse]
    IH37 Baler, CCM165 Drum Mower, JD Rake
    JD 127 bushog, Flail, SK Tilt Tatch , KK tiller, Rhino rear blade, Post driver, post auger, chipper, pallet fork, Grapple/Loader Buddy, Homemade Splitter/DC Welder

  9. #19

    Default Re: Hydraulic cylinder rod reconditioning?

    Quote Originally Posted by Clint S View Post
    To give an idea I just had the boom cylinder rebuilt on my back hoe. $234 included total rebuild /repack including a new cylinder as mine had a nick. They also had to cut the eye off the old cylinder and weld it to the new one. I considered that fairy reasonable
    I bought a metal lathe to do this myself, I like buying dilapidated old equipment and restoring it.

  10. #20
    New Member
    Join Date
    Apr 2011
    Posts
    5
    Location
    Johnstown, OH
    Tractor
    John Deere 755

    Default Re: Hydraulic cylinder rod reconditioning?

    It's a fairly steady stream. The seal kit was $60. But my bigger concern then the cost is that I am hauling dirt and mulch to dump on my organic garden, and I'm streaming the hydraulic fluid all over the dirt. When it was just a slow dripping leak, I lived with that, sorta has gotten past that now.

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