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Thread: Hydraulic cylinder gland nut removal

  1. #1
    Supporting Member Frank S's Avatar
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    Hydraulic cylinder gland nut removal

    Sometimes you exhaust every reasonable means of taking something apart then result to welding something to it and using a 36inch pipe wrench and 6 lb hammer to break something loose.
    These Siamese cylinders for a sliding 3 axle trailer have been laying in my shop for 2 years. It has been in my way most of the time. Too many projects kept taking priority. First I waited a year to get the $1000.00 seal kit for these 2 and 2 other cylinders. When the seals came in they were the wrong ones so another 6 months wait. All the while when ever I thought about it I would spray the gland nuts with penetrating solvents hoping this would make it easier to disassemble the cylinders when the time finally came.
    I tried using my Martian adjustable pin spanner even tapped it several times with a hammer to no avail. Tried driving a cylindrical punch in 1 of the pin holes then with a drift and a hammer I hit it hard enough to shear off the end of the punch twice, and this was after heating the end of the cylinder. OK time for the big gun a piece of 3 1/2" pipe tack welded to the face of the nut a 36" pipe wrench on that, almost putting my full weight on the handle of the pipe wrench and hitting the handle of the pipe wrench several times with a 6 lb hammer the tack welds broke once so rewelded and added more weld. This time I added a 3 ft extension to the pipe wrench and my full weight near the end of that hit it a couple hard licks with the hammer and it turned 1 more hit and it was loose
    Hydraulic cylinder gland nut removal-img_20220612_134814gn.jpg
    Hydraulic cylinder gland nut removal-img_20220612_140122gn.jpg

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  2. The Following 3 Users Say Thank You to Frank S For This Useful Post:

    baja (Jun 14, 2022), durrelltn (Jun 13, 2022), nova_robotics (Jun 13, 2022)

  3. #2
    Supporting Member Frank S's Avatar
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    The second gland nut was a tougher nut to crack, but 6 ft of cheater my 200 lbs and the 6 lb shop hammer got its attention
    Hydraulic cylinder gland nut removal-img_20220613_180704cr.jpg
    Never try to tell me it can't be done
    When I have to paint I use KBS products

  4. The Following 2 Users Say Thank You to Frank S For This Useful Post:

    baja (Jun 14, 2022), durrelltn (Jun 13, 2022)

  5. #3
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    nova_robotics's Tools
    Quote Originally Posted by Frank S View Post
    These Siamese cylinders for a sliding 3 axle trailer have been laying in my shop for 2 years.
    Nevermind. Answered my question from the other thread.

  6. #4
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    Thanks Frank S! We've added your Gland Nut Removal Method to our Heavy Equipment category,
    as well as to your builder page: Frank S's Homemade Tools. Your receipt:






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