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  • Vacuum Booster

    I am still not pleased with the amount of vacuum on my windshield wipers, although they have been overhauled, and the windshield wiper motor replaced. After reading posts on the 430 Forum, as I recall, and perhaps the '58-'60 Forum, about vacuum boosters, I decided to check into them. I found this one on eBay.. I like the fact that it comes with mounting holes top and bottom. It can be mounted on the inside fender, hooked up easily enough and I will have 20+HG constant vacuum at the wipers. So I bought it. It comes with four different fittings and other parts and will certainly work on our Squarebirds. For pictures, cost, and information on it, click the link. As far as I am concerned, the price was fair. $98+shipping. I got mine today. He has a stock of them. I received the KNF Neuberger unit. I am gonna fix that lack of windshield wiper vacuum once and for all.

    12V DC Thomas /knf Brake Booster Vacuum Pump. Warranty!

    Ray Clark - Squarebirds Administrator
    The Terminator..... VTCI #11178
    Contact me via Private Message for my email address, or Call (Cell) 210-875-1411

    https://www.squarebirds.org/picture_gallery/TechnicalResourceLibrary/trl.htm

  • #2
    So this unit just runs all the time when the key is in the run position?

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    • #3
      Vacuum Booster

      It would run constantly, if you hooked it up that way, with the key on. However, I intend to do what one of the other guys said he did when he installed his. Fuse the line, and put it on a switch to turn it on/off. I will probably get a little micro-flip switch to turn it on when I need it. That way the power will not be on the unit all the time. I will see if I can install the switch right below the windshield wiper knob somewhere. If not, I will find some other place to put it close by where it will not be seen or be obtrusive.

      The unit is marked as a Brake Booster, but it can work as a vacuum source for one's windshield wipers, providing the extra vacuum to make those wipers run on a constant supply of vacuum instead of when they want to...
      Last edited by YellowRose; April 1, 2009, 10:40 AM. Reason: Wording

      Ray Clark - Squarebirds Administrator
      The Terminator..... VTCI #11178
      Contact me via Private Message for my email address, or Call (Cell) 210-875-1411

      https://www.squarebirds.org/picture_gallery/TechnicalResourceLibrary/trl.htm

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      • #4
        So you would only turn the booster on when you need it, or just run it in concert with the wipers being on?

        I would think if you wanted it on the entire time that the wipers were working, you could wire it via a relay to the wiper switch, that is assuming of course that the wiper switch is electrical, for all I know it could just pull a rod that actuates some machanical method of getting the vacuum running.

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        • #5
          Vacuum Booster

          I think the way one or more of our members has their vacuum booster set up is that when it is raining, they turn on their windshield wipers at the Wiper knob, reach down to where they have their power switch for the vacuum booster and flip it on. Now you have 20+HG vacuum boost on the wipers. When the rain stops, you flip off the switch and turn off the wipers..

          At least that is my understanding, and how I intend to install mine.

          Ray Clark - Squarebirds Administrator
          The Terminator..... VTCI #11178
          Contact me via Private Message for my email address, or Call (Cell) 210-875-1411

          https://www.squarebirds.org/picture_gallery/TechnicalResourceLibrary/trl.htm

          Comment


          • #6
            Originally posted by YellowRose View Post
            I think the way one or more of our members has their vacuum booster set up is that when it is raining, they turn on their windshield wipers at the Wiper knob, reach down to where they have their power switch for the vacuum booster and flip it on. Now you have 20+HG vacuum boost on the wipers. When the rain stops, you flip off the switch and turn off the wipers..

            At least that is my understanding, and how I intend to install mine.
            that's what I did.

            If I was caught in the rain, I flipped on my little toggle switch to activate the pump, then used the wipers as needed.
            When the rain stopped, I turned off the wipers and then flipped the pump off.

            It doesn't hurt for the pump to run a little without the wipers being activated - it had an internal relief valve.

            My thought was: why would I want the vacuum pump running and drawing electrical power if I wasn't using the device (wipers) it was connected to. That's why I had a toggle.
            Casey

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            • #7
              Vacuum Booster

              Thanks, Casey! I could not remember who it was who had set their vacuum pump up like that. Now where did you hide the on/off switch?

              Ray Clark - Squarebirds Administrator
              The Terminator..... VTCI #11178
              Contact me via Private Message for my email address, or Call (Cell) 210-875-1411

              https://www.squarebirds.org/picture_gallery/TechnicalResourceLibrary/trl.htm

              Comment


              • #8
                auxiliary switches

                Ray,

                The removable panel beneath the radio is a convenient spot for any switches. Easy to install, access, out of sight and within easy reach.
                Ken
                1959 J Convertible
                1960 J Hardtop

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                • #9
                  If you wanted to be real clever maybe you could get the wiper switch, which is a cable (like the throttle control on a lawnmower to provide linear motion to move a lever) to the wiper motor to move the switch off and on when you trun on the wipers...................

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