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Ball wheel guide roller shaft

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  • Ball wheel guide roller shaft

    I have a lower ball wheel shaft 10 pin side that the allen screw that holds the guide roller on the shaft has stripped out
    and what would be the best way to remove the shaft?

    Ron

  • #2
    Place a 5/16 " coupling nut into the recessed allenhead bolt that holds the shaft on from the rear of the machine. Then place a 1/2 " ratcheting box wrench over the coupling nut and loosen the bolt from the shaft. The large bolt is left hand threads, so turn the wrench clockwise .
    There is light at the end of the tunnel - just be sure it is not a train.

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    • #3
      The allenhead bolt is stirpped off in the shaft and I cannot remove the screw from the shaft which will not allow me to remove the
      guide roller and then the shaft.Sorry for the confusion.


      Ron

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      • #4
        Ron - can you drill into the bolt, then use an "easy-out" to remove the bolt? I do not remember if the bolt is heat treated or not. But, I do know that the job won't be easy.

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        • #5
          Thanks Tom .I would like to hear from someone who has personally done this to maybe get some more ideas.

          Ron

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          • #6
            ron call me i can explane better over the phone

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            • #7
              use a sharp pointed punch and hit the edges of the screw with a heavy hammer may need little heat first.dig into it a little bit it should break loose .Ive done it many times over the years...good luck

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              • #8
                youre going to turn the screw with each strike at an angle.

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                • #9
                  Take a punch the same diameter as the head of the bolt, and give it some good hits. This will flatten out the "hex", and give you meat to bite into. Also the shock will help it to break loose. An impact driver might help.

                  Load it with WD-40 and let it sit for a day then have at it.
                  My father told me to never get old...I should have listened!

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                  • #10
                    I've used a Dremmel cutting wheel and created a deep horizontal slot on left side of the head and used the flat end of pinch bar and a copper head mallet (wear safety glasses) to strike the slot downward from the rear of the machine for a good swing. Using WD or a good penetrant beforehand will help.
                    Factory & Converted A-2 (US, Ger, Jap)
                    Comscore ECT, Matrix & DuoHD
                    Walker B, Sanction Standard, Original K, Flex Walker & Ikon
                    Kegel C.A.T.S

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                    • #11
                      Remove the lagre allen bolt from the other end and the whole shaft and roller will come out. It is just above the lower pinwheel roller.

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                      • #12
                        I like Pinsetterbetter's idea.

                        http://www.bowltech.com/forums/showt...er-Replacement

                        I normally use a 1/2" allen to break the bolt loose.. 10 pin side.. (clockwise to loosen) The ones I have changed recently require a short section of pipe to break the allen bolt loose. Once you have it broken loose, use masternut's procedure.

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                        • #13
                          I should have re-read the original post. I assumed it was a fixed shaft.

                          Removing the rear bolt is the easiest method in this situation.
                          Factory & Converted A-2 (US, Ger, Jap)
                          Comscore ECT, Matrix & DuoHD
                          Walker B, Sanction Standard, Original K, Flex Walker & Ikon
                          Kegel C.A.T.S

                          Comment


                          • #14
                            Kanga, he also said the head of the screw is stripped out. He didn't say which allen bolt is stripped. If it's the small one in the front, then he can remove the larger bolt from the back. If it is the larger bolt, then he might have to go with a short peice of allen wrench with a bit of JB Weld. It's pretty difficult to strip the back bolt, those are pretty heafty.

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                            • #15
                              What happens if the bolt and stud turn together...I have had this happen on more than one occasion...
                              My father told me to never get old...I should have listened!

                              Comment

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