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problem with walking floor trailer

Discussion in 'Tanker, Bulk and Dump Trucking Forum' started by Silverking, Sep 13, 2017.

  1. Sep 13, 2017 #1
    Silverking

    Silverking Light Load Member

    102
    60
    Nov 7, 2013
    Edgewater, FL
    0
    Both valves on the trailer seem too have to much pressure on them so I cant hook up the hydraulic hoses. Cant push either nipple in. I have to crack the lines back by the control handle to relieve pressure, then the hoses hook up fine. This doesn't happened everytime but I would say every 3rd or 4th time. Any idea on why this happens or what I can do to fix this.
     
    Silverking, Sep 13, 2017
    Silverking, Sep 13, 2017
    #1
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  3. Sep 13, 2017 #2
    shanbone

    shanbone Light Load Member

    75
    24
    Nov 18, 2011
    mobile, al
    0
    Pressure is building in the lines because of temperature changes after you disconnect. You can add a small service valve to relieve the pressure before connecting your hoses or replace the quick disconnects with the threaded kind. It makes it easier to relieve the pressure by tapping on the dog ears with a hammer if the fittings have pressure behind them. If your unsure what the threaded fittings look like I can snap a pic of mine tomorrow.
     
    shanbone, Sep 13, 2017
    shanbone, Sep 13, 2017
    #2
  4. Sep 14, 2017 #3
    Silverking

    Silverking Light Load Member

    102
    60
    Nov 7, 2013
    Edgewater, FL
    0
    Ok Thanks, makes sense to me. I thought of tapping with a hammer but wasn't sure if I would damage them. I will try that next time
     
    Silverking, Sep 14, 2017
    Silverking, Sep 14, 2017
    #3
  5. Sep 23, 2017 #4
    SeanLyman

    SeanLyman Light Load Member

    120
    62
    Dec 9, 2012
    0
    Tapping with a hammer will squirt oil out so be careful with that. Quick connects are convenient but we finally gave up and stuck with threaded ends. Seems like either way you're going to need to keep a hammer around
     
    SeanLyman, Sep 23, 2017
    SeanLyman, Sep 23, 2017
    #4
  7. Sep 23, 2017 #5
    Silverking

    Silverking Light Load Member

    102
    60
    Nov 7, 2013
    Edgewater, FL
    0
    Thanks. since ive posted this I haven't had the pressure on the fitting to try the hammer trick. But I'm sure it will happened again. Boss is talking about going to threaded fittings as well.
     
    Silverking, Sep 23, 2017
    Silverking, Sep 23, 2017
    #5
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