Roll Pin Problem

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  • RLonning
    Forum Newbie
    • Mar 2005
    • 47
    • Hailey, ID, USA.
    #1

    Roll Pin Problem

    I've got a BT3000. It's been working faithfully (more or less) since about 2000. I've installed the 3100 shim upgrade-the originals got chewed up and spit out in its first year. My current problem is with the roll pin (item #51 on the BT3000 parts manual.) This is the pin that goes through the clutch (# 29) and holds back the spring (#40). This roll pin keeps slipping such that either a) one end of the roll pin sticks out far enough to jam and prevent the blade adjustment from moving or b) the spring starts to work its way over the short end of the pin and ultimately causes the blade adjustment to quit working. It seems like I'm sticking my hand up in there to reposition this roll pin every 2nd or 3rd time I raise or lower the blade. It's getting real old!

    Any one else encountered this? Anyone got a quick fix? Or do I need to pull the whole blade adjustment system out?
    Tags: None
    • LCHIEN
      Super Moderator
      • Dec 2002
      • 21990
      • Katy, TX, USA.
      • BT3000 vintage 1999
      #2
      roll pins are expanding pins that should not ever slip. Do you have the right size or is the pin damaged?
      They're usually put in and taken out with a hammer and a pin punch.
      Loring in Katy, TX USA
      If your only tool is a hammer, you tend to treat all problems as if they were nails.
      BT3 FAQ - https://www.sawdustzone.org/forum/di...sked-questions

        Comment

        • RLonning
          Forum Newbie
          • Mar 2005
          • 47
          • Hailey, ID, USA.
          #3
          roll pin

          That's what I would have thought. It shouldn't be moving. The pin is the one that came with the saw. I don't know if it's damaged. Doesn't seem to be. It just slides around in its hole.

            Comment

            • Uncle Cracker
              The Full Monte
              • May 2007
              • 7091
              • Sunshine State
              • BT3000
              #4
              It's probably the wrong size, or the hole it goes in is reamed out. Roll pins are springy, and should not slip. If you are in a pinch (like stuck on the side of the road) you can try to expand it a little by hammering a small flat screwdriver through it along the seam, but unless it's an emergency, always replace roll pins with new ones whenever you take one out. One type of equipment I used to repair for my work had roll pins, and I've poked out and replaced about a million of 'em.

                Comment

                • Stytooner
                  Roll Tide RIP Lee
                  • Dec 2002
                  • 4301
                  • Robertsdale, AL, USA.
                  • BT3100
                  #5
                  If it is a case of the hole being wallowed out, and not a damaged pin, you could consider redrilling for the next larger sized pin. Sometimes this isn't possible or wise when it's a locating point.
                  A little thread locker will help prevent the pin movement.
                  Lee

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