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how to remove the trailer and parking air supply knobs

Discussion in 'Ask An Owner Operator' started by Jhimely23, Jan 2, 2016.

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  1. Jan 2, 2016 #1
    Jhimely23

    Jhimely23 Bobtail Member

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    I'm trying to find a part number to change my parking supply valve. But I can't take the knobs Off. I need help.
     

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    Jhimely23, Jan 2, 2016
    Jhimely23, Jan 2, 2016
    #1
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  3. Jan 2, 2016 #2
    AModelCat

    AModelCat Road Train Member

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    Might be an allen head set screw on the side of the knob that needs to come out.
     
    AModelCat, Jan 2, 2016
    AModelCat, Jan 2, 2016
    #2
  4. Jan 2, 2016 #3
    rollin coal

    rollin coal Road Train Member

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    Threaded on. Righty tighty, lefty loosey.
     
    rollin coal, Jan 2, 2016
    rollin coal, Jan 2, 2016
    #3
    peterbilt_2005 and Big_D409 Thank this.
  5. Jan 2, 2016 #4
    Jhimely23

    Jhimely23 Bobtail Member

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    Nov 1, 2014
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    No Allen head, I've tried to unscrew it and nothing
     
    Jhimely23, Jan 2, 2016
    Jhimely23, Jan 2, 2016
    #4
  7. Jan 2, 2016 #5
    Jhimely23

    Jhimely23 Bobtail Member

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    I tried it and nothing. Should I have the air charged up first?
     
    Jhimely23, Jan 2, 2016
    Jhimely23, Jan 2, 2016
    #5
  8. Jan 2, 2016 #6
    rollin coal

    rollin coal Road Train Member

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    I don't know what to tell you. Mine are just threaded on.
     
    rollin coal, Jan 2, 2016
    rollin coal, Jan 2, 2016
    #6
  9. Jan 2, 2016 #7
    Jhimely23

    Jhimely23 Bobtail Member

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    Nov 1, 2014
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    Ohk Thank you
     
    Jhimely23, Jan 2, 2016
    Jhimely23, Jan 2, 2016
    #7
  10. Jan 2, 2016 #8
    stayinback

    stayinback Road Train Member

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    Look closer.....Its a teency weency allen screw usually sits at the base of the knob
     
    stayinback, Jan 2, 2016
    stayinback, Jan 2, 2016
    #8
  11. Jan 2, 2016 #9
    AModelCat

    AModelCat Road Train Member

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    If there is a set screw in the shaft it'd be fairly small. Might not be all that easy to notice. Some one may have glued them on at some point too.
     
    AModelCat, Jan 2, 2016
    AModelCat, Jan 2, 2016
    #9
  12. Jan 2, 2016 #10
    Riprap

    Riprap Light Load Member

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    The set screw is sometimes on the bottom side of the shaft, might need to get on the floor and look up to see it
     
    Riprap, Jan 2, 2016
    Riprap, Jan 2, 2016
    #10
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