Suspension air up pressure?

Discussion in 'Freightliner Forum' started by jorlee, Aug 30, 2011.

  1. Aug 30, 2011 #1
    jorlee

    jorlee Light Load Member

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    I have a 1980 Freightliner FLC-12064-T with a early airliner suspension. I have to have 110 PSI before the suspension will air up. Is there a way to change at what pressure it gets air?
     
    jorlee, Aug 30, 2011
    jorlee, Aug 30, 2011
    #1
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  3. Aug 30, 2011 #2
    kwforage

    kwforage Road Train Member

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    Mine airs up at 90psi. I am assuming you could buy a differnt protection valve with a lower psi. You could also remove it all togather, but then if you blow a bag you are going to lose all your air, instead of it cutting off the bag supply at 110.
     
    Last edited: Aug 31, 2011
    kwforage, Aug 30, 2011
    kwforage, Aug 30, 2011
    #2
  4. Aug 30, 2011 #3
    jorlee

    jorlee Light Load Member

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    Any idea where this regulator might be located? or what it looks like?
     
    jorlee, Aug 30, 2011
    jorlee, Aug 30, 2011
    #3
  5. Aug 31, 2011 #4
    kwforage

    kwforage Road Train Member

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    kwforage, Aug 31, 2011
    kwforage, Aug 31, 2011
    #4
  7. Aug 31, 2011 #5
    Pablo-UA

    Pablo-UA Road Train Member

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    pressure protection ajustment depends on manufacter's recomendation. For 6x4 truck with conventional air suspention system 100 psi is enought if you haul standard loads.
     
    Pablo-UA, Aug 31, 2011
    Pablo-UA, Aug 31, 2011
    #5
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