1. Big Mo

    Big Mo Well-Known Member

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    Dec 14, 2013
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    Pa. USA
    I looked at my proportion valve today to see what it looked like. I thought about buying a new one till I seen the price. So I thought I would test it. I touched the bat. to it and nothing. I don't really know how to test the switch. Anyone ever test one of these animals. I blew air in two of the lines that come from the master cylinder. Air came out the rear line hole but no air out the front holes. Air does pass through the front holes straight through the block.
     
    Russ69Runner likes this.
  2. 69hemibeep

    69hemibeep Sponge Bob Square Wheels

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    It is a distribution block the proportioning is done at the master. I believe the switch goes to ground when it activates.
     
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  3. Big Mo

    Big Mo Well-Known Member

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    You are correct on the switch. I did not figure out how to check the switch but I did check the block. It appears to work. I cleaned it up and will try it.
     
    Russ69Runner likes this.
  4. Russ69Runner

    Russ69Runner Well-Known Member

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    Yep they are not cheap. If you can save it and use it money in the bank Big Mo. :thumbsup2:
     
    HD539 likes this.

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