air lift valve

Discussion in 'Tanker, Bulk and Dump Trucking Forum' started by muff, Jul 22, 2014.

  1. muff

    muff Light Load Member

    73
    38
    Dec 20, 2010
    ontario,Can
    0
    Greetings ,
    Can someone tell what valve is called that will release the service brakes on a lift axle when the axle is lifted. Peeling tires now skidding tires before tires get proper clearance. Also would anyone have the valve number .
    Thanks Muff
     
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  3. Blind Driver

    Blind Driver Road Train Member

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    Aug 7, 2006
    New Albany, IN
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    Maybe the brake are adjusted too tight?
     
  4. muff

    muff Light Load Member

    73
    38
    Dec 20, 2010
    ontario,Can
    0
    no the adjustment is fine . There is a valve out there for this application . Service brakes on the down side , soon as the switch is flipped to up position the service brakes no longer apply which avoids skidding the tires . Thanks
     
    semi retired semi driver and baha Thank this.
  5. GasHauler

    GasHauler Master FMCSA Interpreter

    6,257
    4,365
    Oct 23, 2005
    Vegas/Jersey
    0
    Yeah. we have drop axles right behind the steer and we've never had this kind of issue. It's all set up to operate in auto. The only problem we did have is the valve did not work when you put the truck in reverse and the driver broke the axle were it could not be used. Sorry could help.
     
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