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Dashpot settings for TD

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  • Dashpot settings for TD

    Just wondering, on the old (pre-electronic) time delays, how long a delay are you using between the clutch latch being released and the clutch engaging?

    Trying to reduce the number of respots from "fast" machines without slowing down league shifts more than necessary.

    Thanx in advance for your thoughts, guys:

    Kevin

  • #2
    Re: Dashpot settings for TD

    Hey kevin,
    I had worked in 2 centers that had dashpod triggering delay,I could only get about a two second delay....any more than that I would run into problems with it being consistant especially in the winter when oil was cold.Sorry not much help.

    Later
    Peanut
    Peanut

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    • #3
      Re: Dashpot settings for TD

      eliminate those and install BowlTronics triggering and U can set the time wherever you want it best at 3 seconds which is ABC rules.very easy to install on A machines.but U have to have 30 or 40 weight oil to get them to work right and make sure the points on the needle screws arent broken off in the 4;1 housing. Also its has to stay warm in the back to keep oil thin... Good Luck

      ------------------

      Comment


      • #4
        Re: Dashpot settings for TD

        Guess I should have mentioned that the machines in question are Cable-trigger Jetbacks ... I have ZOT triggering with the shotgun-popper solenoids, guess that I just have to get the longest reliable delay possible out of them.

        If they were A machines, they'd be slow enough by themselves that the delay wouldn't be an issue ... LOL!!!

        Thanx:

        Kevin

        [This message has been edited by KL Kevin (edited 02-15-2000).]

        Comment


        • #5
          Re: Dashpot settings for TD

          KL:
          Best option for cable trips, if you have dual output Zots, go to the Bruns. kit # 12-862905 w/app voltage # post fixed. Replace original tenth frame solenoid, with this ( which was only designed to work once a game anyways) Remove the adjustable stem, replace with a 3/8 fine thread short bolt w/gasket washer. Use first output for rake, second for solenoid trip, this enables you to go to 90 weight gear oil, which is probably worth the whole investment to begin with. The vast difference between worm wheel failure in a 10/30 versus 90/w gear box is unbelievable
          Respectfully submitted
          Roscoe
          rfm

          Comment


          • #6
            Re: Dashpot settings for TD

            Roscoe:

            Thanks for the info, but unfortunately, have the old super magics that only have one output

            Up side is that they work so well, have no intention of replacing them in the near future, would love to have the extra output to run the gearbox after the rake drops, though.

            Agree it would be better to run a legitimate gear oil in them, but the dashpots would then be a real nightmare!!!

            Thanx for the input:

            Kevin

            Comment


            • #7
              Re: Dashpot settings for TD

              Hey KL,
              I had 32 lanes of cable triggered Jet-Backs about 20 years ago. When I got there, there was not a trace of a time delay on any machine. Being a bowler at the time, I wanted that time delay. After months of reinstalling proper stems, ball bearings, and even blowing out dashpots with compressed air, I had a good 3 to 4 second delay on every machine except one. Could not get more than one second delay until I supplemented the gearbox oil with a can of STP oil treatment! Believe it or not, it worked consistantly after that.
              It is true that cold temperatures can play havoc with this type of delay, so be advised that this center was in Florida! Later, Glitch

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              • #8
                Re: Dashpot settings for TD

                ^^

                [This message has been edited by Glitch (edited 02-23-2000).]

                Comment


                • #9
                  Re: Dashpot settings for TD

                  --

                  [This message has been edited by Glitch (edited 02-23-2000).]

                  Comment


                  • #10
                    Re: Dashpot settings for TD

                    Sorry about the preceding posts. I got
                    impatient and hammered the submit button
                    a few times. At least I learned how to edit them now! Glitch

                    [This message has been edited by Glitch (edited 02-23-2000).]

                    [This message has been edited by Glitch (edited 02-23-2000).]

                    Comment


                    • #11
                      Re: Dashpot settings for TD

                      if you look on pg. 38-39 of bruns. pinsetter parts book item gb449. there is a list of stems with different sizes to adjust time delay on hydralic systems. i used these before we converted to jet backs. they do work.

                      Comment


                      • #12
                        Re: Dashpot settings for TD

                        Larry:

                        Saw the different sizes listed in the green book on the needles, but which ones are the "slower" ones? Mine have no markings on them, ass-u-me ing that's the clear one. And where would the marking be, if there was one?

                        Never really played with the TD's until we started getting more OOR's since putting in the phenolic decks. Also have seen "fast" machines hitting pins that would have fallen if the delay was in spec.

                        To the A-2 guys, How long between the rake dropping and the cycle solenoid firing on first ball, I'd like to know how many seconds the time delay should be. Then I can start working on getting there.

                        Thanx again:

                        Kevin

                        Comment


                        • #13
                          Re: Dashpot settings for TD

                          K.L.
                          The stems were painted various colors on the head of stem, indeed if yours are clear they are standard. In the late 50s and early 60s, ABC reps came in and set the time and sawed the heads off, making futher adj. difficult. Practice was soon stopped, after litigation was threatned. Stems carried a high price, however, and it was soon realized the same thing could be accomplished by varying the depth of the stem and locking it with a 3/8 fine, pal nut. Time delay modules usually exhibit a delay on the order of 1.5 seconds, can be made adjustable however, by adding a 1 meg pot to timing resistors.
                          Roscoe
                          rfm

                          Comment


                          • #14
                            Re: Dashpot settings for TD

                            K.L.
                            The stems were painted various colors on the head of stem, indeed if yours are clear they are standard. In the late 50s and early 60s, ABC reps came in and set the time and sawed the heads off, making futher adj. difficult. Practice was soon stopped, after litigation was threatned. Stems carried a high price, however, and it was soon realized the same thing could be accomplished by varying the depth of the stem and locking it with a 3/8 fine, pal nut. Time delay modules usually exhibit a delay on the order of 1.5 seconds, can be made adjustable however, by adding a 1 meg pot to timing resistors.
                            Roscoe
                            rfm

                            Comment

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