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  • pbl problem

    Hello my first post on here. got a problem with 1
    pbl in our house our 16lb house ball yo yos at bottom of lift. i have no problems during league play only our heavy house balls on this 1 pair. I have spaced lift rails out about 5/16 also put new jcp lower railcovers on still same problem with these certain balls or older heavier balls,and only on this pair. when i get to the back ball is spinning but not walking up .any suggestions would be greatly appreciated im going nuts here. Thanks Brian

  • #2
    Re: pbl problem

    I'm not shure about this but I thought 16 lbs house balls are not made anymore, if so you are dealing with very old rubber balls, fully soaked with oil and they will last forever.
    I did get rid of those rubber balls years ago and installed Brunswick tubes on the up sweep(stahl is selling a good product for this problem too, so I heard).

    There has been topics about this before. Try to find it or shout for JJ, he doesn't like it but he loves it!

    dude
    So it goes.

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    • #3
      Re: pbl problem

      Have you checked the tension on the belt. I have found that if the belt is too slack then heavier balls won't lift.
      Make sure the spring is set to 4 - 4 1/4".

      Comment


      • #4
        Re: pbl problem

        Originally posted by 8270CTech:
        Have you checked the tension on the belt. I have found that if the belt is too slack then heavier balls won't lift.
        Make sure the spring is set to 4 - 4 1/4".
        <font size="2" face="Verdana, Helvetica, sans-serif">yes i have cked and spring is at 4 inches..Thanks brian [img]/content/btubb/images/%%GRAEMLIN_URL%%/frown.gif[/img]

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        • #5
          Re: pbl problem

          we have problems like that at are house with mostly black 14- 16 # hous eballs only if they are black like rubber kind and we used sand the balls and put rosin on the ball lift belt and it worked but I through those balls away and we have no problems any more

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          • #6
            Re: pbl problem

            Use the Stahl's lift rod cover....it is good stuff.

            Jerry

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            • #7
              Re: pbl problem

              Those rubber house balls are more trouble than they are worth. I threw all mine away. But, here is something you can try that will solve your problem. I had the same thing on a couple pairs in my house. Take a lower lift cover and cut it open. Then wrap it around the existing one and this gives you more pressure against the ball and it will go up the lift. Make sure you do this on both sides not just one. Forgive me for stating the obviouse. To hold the extra covers in place, I made some donuts with duct tape and stuck them on the inside of the cover. If you don't do this they will turn and fall off. Good Luck! This worked every time for me.
              Give me a hammer and some duct tape and I can fix it!

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              • #9
                Re: pbl problem

                stahl's or lifelong's rocket rails + AMF Black Belts

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                • #10
                  Re: pbl problem

                  Welcome to bowl-tech Brian!! I also had the same problem. My solution was to use the adjustable lower lift support bracket (the one that is added when changing from kickers to PBL's) from Lifelong. It uses washers to adjust the angle of the lift. All of the other solutions will help. Sometimes more than one idea might be necessary to solve this problem. I've also had a belt get hard and "gloss over". Sanding made all the difference in the world. One more thing, also check to see that the lift moves up and down freely; might be a bad shock. Let us know what you do for a fix!!
                  TOON
                  Gene Simmons for president!!!

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                  • #11
                    Re: pbl problem

                    Just wanted to say thanks foe everyones help i put the old bottom railcovers over the new ones seems to be working better, but one thing i forgot to mention and you gotta remember i real new at this but i noticed on all my other pbls when the ball goes up they kind of raise up about an inch or so off the rubber adjust bumpers but on this pair lift really doesnt move at all?

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                    • #12
                      Re: pbl problem

                      It is normal for the lift to move a little but it shouldn't be moving alot like a kicker lift does. I have some that don't move at all and others that move an inch or so. The main thing with a pbl is that you want the bumpers as high as you can get them so the ball rolls out of the lift instead of getting "spit" out of the lift.
                      Give me a hammer and some duct tape and I can fix it!

                      Comment


                      • #13
                        Re: pbl problem

                        I have cured my problems with this by lowering the lift in most cases. You must be very careful not to get it too low as balls will not enter the lift. I have also found that the new urethane ball doors weldments sit higher than the original metal ones. This affects only that urethane side if one is urethane and the other metal because the ratchet foot is level with the urethane door. Adding an overlapping rod cover does help as someone else said. And adjusting the lower bracket. I had a league bowler with a pearl resin ball that was refinished numerous times. It was too small then. I used this ball to adjust each of my 12 pairs, one each week as the bowler changed pairs. I would lower the lift little by little as the league night went on. This took time but it worked great. I finally showed the bowler with a quarter scale that his ball was undersized and he bought a new one. Good luck.

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                        • #14
                          Re: pbl problem

                          I concur with the use of Lifelong's adjustable lower bracket to get out of trouble. For all you previous kicker mechs: remember that the PBL lift, because of the bracket relocation, is lower in the machine, but also tilted closer to the rails at the bottom. And, if you do shim the track rail/lift arm assembly to the rear, you may have to get a slightly shorter lift arm rod or your ratchet may jam (AMF changed the length some time ago). [img]/content/btubb/images/%%GRAEMLIN_URL%%/wink.gif[/img]

                          AMF changed the shape of the track rails when the PBL's came out in '75, and then again shortly after this problem started showing up. The changes are in the location of the bend about half way up and, subsequently, the curve at the top. Anyone who has changed over from kicker to PBL, or has early PBL's with spinning problems, should consider buying all new (and matching) lift rod weldments.

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