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Air leak behind panel

Discussion in 'Ask An Owner Operator' started by pavrom, Apr 25, 2020.

Page 2 of 2
  1. Apr 27, 2020 #11
    pavrom

    pavrom Road Train Member

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    NE illinois
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    Tried all that !
     
    pavrom, Apr 27, 2020
    pavrom, Apr 27, 2020
    #11
    Rideandrepair Thanks this.
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  3. Apr 27, 2020 #12
    Rideandrepair

    Rideandrepair Road Train Member

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    You sure you got the right switch? One is normally open, one is normally closed.
     
    Rideandrepair, Apr 27, 2020
    Rideandrepair, Apr 27, 2020
    #12
  4. Apr 27, 2020 #13
    pavrom

    pavrom Road Train Member

    3,185
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    Apr 29, 2012
    NE illinois
    0
    This is what it looks like when i got old one out
    Not sure if they both looks same but function different , I showed thedealer pic i posted here with the description of the symptoms and he provided the replacement ... I believed its made by HONEYWELL and says low pressure switch
     

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    pavrom, Apr 27, 2020
    pavrom, Apr 27, 2020
    #13
    Rideandrepair Thanks this.
  5. Apr 27, 2020 #14
    pavrom

    pavrom Road Train Member

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    NE illinois
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    ...just screw in and attach 2 contact terminals...old ones body was leaking ... Was pita to unscrew it ....
     
    pavrom, Apr 27, 2020
    pavrom, Apr 27, 2020
    #14
    Rideandrepair Thanks this.
  7. Apr 27, 2020 #15
    Rideandrepair

    Rideandrepair Road Train Member

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    They have tiny writing on them, starting with no or nc, for normally open and normally closed. Followed by some numbers. One is the low air warning buzzer, kicks in at 60 lbs. other is brake light switch, kicks in when 5 lbs if pressure is applied.
     
    Rideandrepair, Apr 27, 2020
    Rideandrepair, Apr 27, 2020
    #15
  8. Apr 27, 2020 #16
    Rideandrepair

    Rideandrepair Road Train Member

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    I can’t remember which one is which. I lost my notes on it. But It’s posted somewhere on here.
     
    Rideandrepair, Apr 27, 2020
    Rideandrepair, Apr 27, 2020
    #16
  9. Apr 27, 2020 #17
    Rideandrepair

    Rideandrepair Road Train Member

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    I’m thinking you got the wrong low buzzer switch, when you needed a brake light switch, maybe, causing brake lights to stay on. Maybe if you pump brakes down , below 60 psi, brake lights will go off. Lol. Just an idea.
     
    Rideandrepair, Apr 27, 2020
    Rideandrepair, Apr 27, 2020
    #17
  10. Apr 27, 2020 #18
    pavrom

    pavrom Road Train Member

    3,185
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    Apr 29, 2012
    NE illinois
    0
    I think i have seen NC next to one of the contact terminals on both of them ..gonna check for sure
     
    pavrom, Apr 27, 2020
    pavrom, Apr 27, 2020
    #18
    Rideandrepair Thanks this.
  11. Apr 27, 2020 #19
    pavrom

    pavrom Road Train Member

    3,185
    7,305
    Apr 29, 2012
    NE illinois
    0
    This is what new one looked like ...found over internet
     

    Attached Files:

    pavrom, Apr 27, 2020
    pavrom, Apr 27, 2020
    #19
  12. Apr 27, 2020 #20
    Marin662

    Marin662 Bobtail Member

    7
    1
    Apr 27, 2020
    0
    Nice
     
    Marin662, Apr 27, 2020
    Marin662, Apr 27, 2020
    #20
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