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Recent content by 3crows

Yesterday's Tractor Forums
  1. 3

    Remove a stuck roll/pivot pin

    Haven't come up with a replacement pin yet. Do you think an annealed 4140 pin would work? I think I can get a heat treated 4140 pin but it wouldn't be polished, which might take a toll on the bushing.
  2. 3

    Remove a stuck roll/pivot pin

    No, the ram is too long. But I did finally get the roll pin out. Here's what I did. I glued a length of 1/4" rubber tubing in a 'U' shape around the pin on one side with rubber cement leaving about 1/4" clearance around the pin. I took a piece of ECBM rubber and a piece of plywood and clamped...
  3. 3

    Remove a stuck roll/pivot pin

    To clarify, this is a 2"x 9" solid tool steel pivot pin and not a roll pin. I thought I'd seen it called either but they're different critters. My mistake. The area around the pin is 2" thick on either side of the cast iron/cast steel (?) box with the ram riding in between. I'm thinking of...
  4. 3

    Remove a stuck roll/pivot pin

    Ah so. I built a jig to hold the 1 1/2" steel dowel against the 50mm roll pin and while standing on the boom I beat on the dowel pin with a 6lbs sledge until the dowel started to mushroom. I suspect it's mild steel being softer than the roll pin I have no idea how much pressure I'm exerting on...
  5. 3

    Remove a stuck roll/pivot pin

    No. The opening in the top of the boom is about 3" long and the ram is about 54" long inside the boom when the boom is extended.
  6. 3

    Remove a stuck roll/pivot pin

    Yes, there's room for a sawsall blade there but I don't think a sawsall will cut it. I've burned up many a blade cutting Grade 8 bolts and I'm thinking this pin is harder than that. Could be wrong.
  7. 3

    Remove a stuck roll/pivot pin

    Are you referring to a slide hammer?
  8. 3

    Remove a stuck roll/pivot pin

  9. 3

    Remove a stuck roll/pivot pin

    The pin would have been greased some when the ram is greased. The ram does move back and forth on the pin. The boom is stretched out on the ground and there's no pressure on the pin.
  10. 3

    Remove a stuck roll/pivot pin

    Since it has a through bolt/security bolt, it's not pressed in. There's no way it could have been pressed in and lined up with the through bolt sleeve hole. It had to be slid in and rotated for alignment.
  11. 3

    Remove a stuck roll/pivot pin

    What can cut tool steel?
  12. 3

    Remove a stuck roll/pivot pin

    I have a JCB 1400B backhoe. The hydraulic ram that operates the boom is leaking badly and I need to replace the seals. I've tried to remove the roll pin at the rear of the cylinder but it won't move. I used a 1 1/2" steel dowel against it and beat on it with a sledge until the dowel started to...
  13. 3

    JCB 1400B backhoe

    Hi folks, The right brake is dragging and locks up. Peddle only goes down about an inch while left peddle depresses about 3 1/2 inches when coupler is detached. I was down in the south 5 the first time it locked up. I let it sit for awhile to let it cool down but still had to use the backhoe...
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