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RGN and brake questions.

Discussion in 'Trucks [ Eighteen Wheelers ]' started by sbatson, Nov 3, 2012.

Page 1 of 2
  1. Nov 3, 2012 #1
    sbatson

    sbatson Light Load Member

    232
    10
    Feb 14, 2008
    Ft Worth, Texas
    0
    We have a Talbert RGN and I have noticed that when we unhook from it to load something the brakes dont lock down. I hear it blow off when we unhook the air lines but they dont lock and they also dont work during driving either. They seem to work when it has sat for awhile and we push trailer valve in and try and pull away they are locked untill it gets air pressure back there. We replaced the little junction box on trailer but seems to do nothing. Any ideas?
     
    sbatson, Nov 3, 2012
    sbatson, Nov 3, 2012
    #1
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  3. Nov 3, 2012 #2
    aiwiron

    aiwiron Road Train Member

    5,927
    5,228
    Aug 24, 2011
    Sunny Tampa Florida
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    Moving this to the garage to see if the wrenches can help you out.
     
    aiwiron, Nov 3, 2012
    aiwiron, Nov 3, 2012
    #2
  4. Nov 3, 2012 #3
    Worthken

    Worthken Light Load Member

    265
    83
    Jun 2, 2012
    Delmas South Africa
    0
    I don't know how youre trailers air systems work. Over here we use a R6 valve that controls air to the boosters, with a quick release valve between the boosters. Do you always use the same horse? If so have a look at the trailer control valve on the horse. It sounds like it doesn't dump the air at the boosters, the reason the maxis kick in after sitting for a while and all the air has bled off.
     
    Worthken, Nov 3, 2012
    Worthken, Nov 3, 2012
    #3
  5. Nov 3, 2012 #4
    sbatson

    sbatson Light Load Member

    232
    10
    Feb 14, 2008
    Ft Worth, Texas
    0
    Im pretty sure we changed the control valve not to along ago. The brakes are adjusted etc..
     
    sbatson, Nov 3, 2012
    sbatson, Nov 3, 2012
    #4
  7. Nov 3, 2012 #5
    fortycalglock

    fortycalglock Road Train Member

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    6,604
    Jun 25, 2011
    Tourist Town, FL
    0
    Do you have quick disconnects instead of glad hands? If so, are you pulling the trailer knob on the dash or just unhooking the qd's?
     
    fortycalglock, Nov 3, 2012
    fortycalglock, Nov 3, 2012
    #5
  8. Nov 3, 2012 #6
    bender

    bender Road Train Member

    2,105
    1,360
    Jul 20, 2010
    Don't Kid Yourself
    0
    Not sure of what you're calling a junction box? Sounds like a problem with the relay valve on the trailer. Some trailers use a multi-function valve to operate both service brakes and parking brakes. Is the trailer equipped with spring parking brake chambers (maxi's)?
     
    bender, Nov 3, 2012
    bender, Nov 3, 2012
    #6
  9. Nov 4, 2012 #7
    bagman12002

    bagman12002 Bobtail Member

    14
    3
    Aug 18, 2011
    0
    Hmm you said you changed the contoll valve?? did this issue start after the valve was changed. If so did the valve get plumbed correct? just a thought
     
    bagman12002, Nov 4, 2012
    bagman12002, Nov 4, 2012
    #7
  10. Nov 4, 2012 #8
    Heavyd

    Heavyd Road Train Member

    7,821
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    Feb 4, 2009
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    What's a Talbert RGN?
     
    Heavyd, Nov 4, 2012
    Heavyd, Nov 4, 2012
    #8
  11. Nov 4, 2012 #9
    bender

    bender Road Train Member

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    Jul 20, 2010
    Don't Kid Yourself
    0
    Talbert is a popular brand of a Removable Goose Neck trailer.
     
    bender, Nov 4, 2012
    bender, Nov 4, 2012
    #9
    Heavyd Thanks this.
  12. Nov 4, 2012 #10
    Heavyd

    Heavyd Road Train Member

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    Feb 4, 2009
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    Ahh, ok gotcha!
     
    Heavyd, Nov 4, 2012
    Heavyd, Nov 4, 2012
    #10
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