unhooking trailer help

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Tuckster, Jan 21, 2010.

  1. Tuckster

    Tuckster Light Load Member

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    May 12, 2008
    Hanover, Va
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    I have a 2000 International 9400 and have been struggling recently unhooking the trailer. It has a sliding 5th whee. I have a KW T600 that gives me no trouble. I unlock the 5th wheel and put the landing gear down. Do you try and take pressure off the latch by backing up ?? How about dumping the air ?? I'm getting old and not as strong as I use to be !!!!!
     
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  3. Spacer

    Spacer Medium Load Member

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    Dec 8, 2008
    Little Rock, AR
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    I usually lock the trailer brakes first, then put the truck in reverse to take pressure off the jaws. I'd unlock the 5th wheel, pull forward a few inches, then dump the air bags before pulling completely out.
     
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  4. goforce

    goforce Light Load Member

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    Apr 12, 2007
    South, Ga
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    I'm with spacer on that one..

    Alan
     
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  5. black_dog106

    black_dog106 Road Train Member

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    Just like Spacer said.....
     
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  6. striker

    striker Road Train Member

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    usually I dolly down, then dump the air bags and pull the 5th wheel release while they are dumping
     
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  7. 379CAT

    379CAT Light Load Member

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    Feb 10, 2009
    springdale wa
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    some 5th wheels you have to lift up on the pin before pulling might try that:biggrin_25511:
     
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  8. Mack427

    Mack427 Medium Load Member

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    Jan 22, 2009
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    if its hard to pull after trying all the above it is possible the 5th wheel needs rebuilt or has a broken spring making it hard to release
     
  9. Allow Me.

    Allow Me. Trucker Forum STAFF Staff Member

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    Those pesky fifth wheels can be bothersome sometimes. Are you pulling a spread axle trailer? Are you on level ground? Sometimes on dirt/gravel, the trailer is tweeked a bit and can be a pain to pull that pin. I seem to remember on a spread axle trailer, when you unhook the airlines, the trailer will "walk" forward a bit, which would put a bind on the kingpin. It's been 10 years since I pulled a spread, so, I may be a little hazy in my brain activation skills today. Also, if you "dolly down" too much, you will raise the trailer up too much and put a bind on the kingpin. Helpful hints submitted by Allow Me.
     
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  10. RickG

    RickG Road Train Member

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    Owensboro , KY
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    I was surprised (but shouldn't have been ) to read a post by a Schneider driver saying their air bags don't have dump valves .
     
  11. Tuckster

    Tuckster Light Load Member

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    May 12, 2008
    Hanover, Va
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    My KW T600 is like that but its tough getting any leverage to do the "up" part .... I'll try all of these suggestions and if nothing works, I'll have to look into repairing the 5th wheel.
     
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