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Confirm or Disagree with my quick evaluation of a problem

Discussion in 'Boss Plows Discussion' started by goel, Feb 14, 2012.

  1. goel

    goel PlowSite.com Addict
    Messages: 1,079

    Boss 8'2 steel V blade RT2 w smart hitch, no smartlock cylinders

    Right wing will ALWAYS extend when asked

    Right wing will NOT retract.

    I have a stick and the old toggle switch controller, same results with both.

    Cylinder Problem???

    Every thing else works perfectly, just the right wing retract is stuck - but if you push on a curb it will retract.

  2. Mr. Mud

    Mr. Mud Member
    Messages: 91

    Just a little nudge on a curb and the it will take off on it's own? Or pushing all the way in on the curb?
  3. grandview

    grandview PlowSite Fanatic
    Messages: 14,609

    Could be a valve stuck,do you grease it up during the season? Tighten the spring a little
  4. tuney443

    tuney443 PlowSite.com Addict
    Messages: 1,847

    Check the obvious first--your electrical connections to the valves and solenoids under your black cover.Then check for magnetism on that wing.If it's not that,it might be some dirt blocking proper hydraulic function in that valve.Fluid and screen clean?
  5. goel

    goel PlowSite.com Addict
    Messages: 1,079

    Mr Mud - have to push it all the way

    Grandview - yes, regular grease, but will tighten the spring.

    Tuney - extends perfectly every single time you try so it can't be electrical connection. Can extend into full scoop and retract the left side, so its not a seloniod problem. Fluid change done at beginning of season, which was about 15 hours of plowing ago this year.

    I was hoping it wasn't a valve, because I hate pulling them - always seem to end up replacing them. But considering purchased it used 3 years ago and have not done anything other than replace a broken spring last year - thats pretty good.
  6. grandview

    grandview PlowSite Fanatic
    Messages: 14,609

    Also check your cylinder on the plow where it is hooked up at the base to make sure its freed up.
  7. Earthscapes

    Earthscapes Senior Member
    from WNY
    Messages: 577

    Fishy..... is the wing tweaked at all ?
  8. Mr. Mud

    Mr. Mud Member
    Messages: 91

    I would disconnect the hose from that cylinder first after it is fully extended(well slightly crack the fitting at the pump so it bleeds out) and then see if the spring will retract it. The spring should bring it back. If that doesn't do it tighten that one up and loosen the one on the cylinder, this would help eliminate the hose that way being collapsed on itself inside. MUD
  9. B&B

    B&B PlowSite Fanatic
    Messages: 12,777

    None of that means a thing. There's a separate valve for each individual function thus one faulty valve or electrical connection will only cause the loss of one function, up, down, extend, retract etc.

    Run the wing out and loosen the hose for it, if it retracts then it's a valve or valve activation issue (electrical). If it doesn't then the hinge is tight, the wing is bent or the cylinder is defective.
  10. goel

    goel PlowSite.com Addict
    Messages: 1,079

    hmmm, Ok good to know B & B

    The wing is not tweaked, the return spring has lots of tension. I will crack the lines tomorrow and report back on if it;s a valve or electrical
  11. Rain Man

    Rain Man Senior Member
    Messages: 138

    My plow had that problem last year , I thought it was a valve or cylinder, but my dealer told me it was a dead spring. They put a new spring on and it works now. ( spring was not broken , just dead)
  12. tuney443

    tuney443 PlowSite.com Addict
    Messages: 1,847

    I thought Pa.had a law on the books for killing springs?I wonder what the punishment is.:)
  13. Rain Man

    Rain Man Senior Member
    Messages: 138

    LOL Only people that plow for a living, can kill 3 per season.
  14. greywynd

    greywynd PlowSite.com Addict
    Messages: 1,370

    Similar to B & B's suggestion, try swapping cylinders, and see if the problem follows the cylinder, or goes to the other side. Could also swap springs first and see if it is the 'dead spring' that was mentioned earlier.
  15. goel

    goel PlowSite.com Addict
    Messages: 1,079

    Sorry for the delay getting back, have not had time - but snow tomorrow so it was fixed tonight.

    Cracked the line on both ends and still could not push it in. Had to take the line right off - big pressure build up was in it.

    When we removed the line and the wing snapped back (definately not a dead spring). Went to Napa to have a replacement line made up but they tested it and it was still good.

    Re-installed the old line - works flawlessly now. Must have been a build up of crap in the line at the valve which blew out. Cleaned and flushed the fluids just to be sure.

    Going plowing tomorrow and instead of a back up/clean up truck it is going out on a route to test it.

    Thanks all!!!