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RBI G4 Blade clamp Modification.

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  • RBI G4 Blade clamp Modification.

    Working for wood, I forgot that I also had problems with my blade clamps separating. The clamp shells look like they are made out of aluminum or pot metal and held together with 2 4-40 screws.
    I am a bit heavy handed and the thumb screws give you a good grip. So eventually I striped the small threads and clamps started to split.

    To solve the problem I took all off my clamps apart drilled out the threaded holes and put heli-coil inserts in the holes and used good quality 4-40 allen screws in place of the ones from the factory.

    I haven't had a problem since.
    Rolf
    RBI G4 26 Hawk, EX 16 with Pegas clamps, Nova 1624 DVR XP
    Philosophy "I don't know that I can't, therefore I can"
    Proud Member of the Long Island Woodworkers Club
    And the Long Island Scrollsaw Association

  • #2
    good tip...Little braver than I am
    CAЯL HIRD-RUTTEЯ
    "proud member of the best scroll sawing forum on the net."
    Ryobi SC180VS scroll saw EX21

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    • #3
      I was raised by a German toolmaker, fixing things is in my blood.
      Rolf
      RBI G4 26 Hawk, EX 16 with Pegas clamps, Nova 1624 DVR XP
      Philosophy "I don't know that I can't, therefore I can"
      Proud Member of the Long Island Woodworkers Club
      And the Long Island Scrollsaw Association

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      • #4
        I haven't had any problems with the new blade chucks, but they sure arent finger friendly. I have to use needle nose pliers to hold the chuck so i can tighten the handle enough that the blade doesn't pop out. but i'm used to this. my old sears has a 12 inch allen wrench to tighten the blade, and u have to use a wooden dowl to push the top spring down to the blade at the same time...so i'm getting off real easy with the g4 !
        Jeff Powell

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        • #5
          Jeff,

          I will take a couple of pictures later and post them. you don't need pliers.
          Last edited by Rolf; 09-02-2006, 01:26 PM.
          Rolf
          RBI G4 26 Hawk, EX 16 with Pegas clamps, Nova 1624 DVR XP
          Philosophy "I don't know that I can't, therefore I can"
          Proud Member of the Long Island Woodworkers Club
          And the Long Island Scrollsaw Association

          Comment


          • #6
            Jeff,

            I use the side support arm on my saw when I tighten the clamp, no tools needed.
            The pictures explain what I mean. The 2nd picture is a bit fuzzy I was taking it with my left hand and holding the clamp with my right. I sprinkled sawdust around to give the illusion that I actually use the saw. And my wife says I need a manicure.
            Attached Files
            Last edited by Rolf; 09-02-2006, 01:26 PM.
            Rolf
            RBI G4 26 Hawk, EX 16 with Pegas clamps, Nova 1624 DVR XP
            Philosophy "I don't know that I can't, therefore I can"
            Proud Member of the Long Island Woodworkers Club
            And the Long Island Scrollsaw Association

            Comment


            • #7
              Rolf... that don't work if you are a Top Feeder.

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              • #8
                Grizz,

                You are absolutly right. Even when I am top feeding I don't need pliers to hold the clamp while tightening.

                Jeff,
                How old is your saw? RBI sent me new inserts that are harder and a bit rougher, my blades very rarely slip out. Only if I get sloppy.
                Rolf
                RBI G4 26 Hawk, EX 16 with Pegas clamps, Nova 1624 DVR XP
                Philosophy "I don't know that I can't, therefore I can"
                Proud Member of the Long Island Woodworkers Club
                And the Long Island Scrollsaw Association

                Comment

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