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Please explain how to use the 5th wheel release buttons on this Kenworth 660 dash.

Discussion in 'Questions From New Drivers' started by Oranje5150, Sep 13, 2013.

Page 1 of 2
  1. Sep 13, 2013 #1
    Oranje5150

    Oranje5150 Bobtail Member

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    Nov 1, 2012
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    I know the middle one, my 5th wheel slide is locked down so the middle one does not matter. I believe the two outside buttons control locking and unlocking the kingpin from the 5th wheel, but frankly, I am not sure. Please explain how to use the buttons if you can. Thanks!
    5th wheel buttons.jpg
    (mouse over pic to enlarge)
     
    Oranje5150, Sep 13, 2013
    Oranje5150, Sep 13, 2013
    #1
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  3. Sep 13, 2013 #2
    marmonman

    marmonman Road Train Member

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    central illinois
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    left one locks and unlocks the jaws on fifth wheel right one looks like it locks the rear diffs in and out to me
     
    marmonman, Sep 13, 2013
    marmonman, Sep 13, 2013
    #2
    Oranje5150, 48Packard, chopper103in and 1 other person Thank this.
  4. Sep 13, 2013 #3
    pattyj

    pattyj Road Train Member

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    What'll they think of next.Anything to make the life of a trucker easier.
     
    pattyj, Sep 13, 2013
    pattyj, Sep 13, 2013
    #3
  5. Sep 13, 2013 #4
    luvtotruck

    luvtotruck Road Train Member

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    I second this! The Diffs on the Right the Jaws on the 5th on the Left! Good Luck.
     
    luvtotruck, Sep 13, 2013
    luvtotruck, Sep 13, 2013
    #4
  7. Sep 13, 2013 #5
    bobbyhill

    bobbyhill Light Load Member

    168
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    Aug 13, 2007
    Left Lane
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    They make a switch for the jaws in the dash now? I don't think I like that
     
    bobbyhill, Sep 13, 2013
    bobbyhill, Sep 13, 2013
    #5
  8. Sep 13, 2013 #6
    KW Cajun

    KW Cajun Road Train Member

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    Someone correct me if I'm wrong, but doesn't the dash controlled jaw release have a safety feature so that the truck must be stopped and in neutral, or things to that effect?
    Naturally, it would be rather easy to accidentally hit the button in motion, so something must be in the system to prevent accidental releases in motion.

    If not, that would be insane.
     
    KW Cajun, Sep 13, 2013
    KW Cajun, Sep 13, 2013
    #6
  9. Sep 13, 2013 #7
    wolf98

    wolf98 Light Load Member

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    Aug 2, 2013
    bowling green, ky
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    Excellent question. I have never seen this before.
     
    wolf98, Sep 13, 2013
    wolf98, Sep 13, 2013
    #7
  10. Sep 13, 2013 #8
    stlvance

    stlvance Medium Load Member

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    st louis MO
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    my prostar had those and yes the trailer brake must be engaged for that button to do anything but beep at you
     
    stlvance, Sep 13, 2013
    stlvance, Sep 13, 2013
    #8
    KW Cajun and cetanediesel Thank this.
  11. Sep 13, 2013 #9
    ZVar

    ZVar Road Train Member

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    Flint, MI
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    The left one is for 5th wheel jaw release. Just like pulling the kingpin release. On our freightliners at work that has these the red and yellow brake knobs have to be out.

    -Steven
     
    ZVar, Sep 13, 2013
    ZVar, Sep 13, 2013
    #9
  12. Sep 13, 2013 #10
    J_FROG

    J_FROG Road Train Member

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    Clicking that switch while driving down the road is how you get the tailgaters off your butt. Lol
     
    J_FROG, Sep 13, 2013
    J_FROG, Sep 13, 2013
    #10
    KW Cajun, Buckeye91, luvtotruck and 1 other person Thank this.
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