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plastic mulboard has pulled off my Boss 9'2"

Discussion in 'Boss Plows Discussion' started by Pa Teeny, Oct 29, 2014.

  1. I welded it so it would not pull off and Boss mailed me the new bolts but there is no way to rebolt them as the lower case is welded shut? Anyon eelse have their plastic pull away from the frame...

    Thanks
    Snow is coming.....
     
  2. secret_weapon

    secret_weapon Senior Member
    Messages: 437

    Do you have a pic of this?
     
  3. I will take pictures as they said the bolts or nuts were too small...I will take pictures
     
  4. here is the pictures...sorry it took so long was welded ....had

    IMG_3049.jpg

    I had to wait until i changed the cutting edge....I cut the steel plate as to keep a lip to hold the plastic maul board down ...I then re weld the plate so I can Acccess the holes and areas to work on it this summer...

    IMG_3049.jpg
     
  5. The bolts are self holding and expand to hold the nut without any wrenches on the backside of the bolt ie nut..
     
  6. Mr.Markus

    Mr.Markus PlowSite Fanatic
    Messages: 5,178

    Just drill the back out and replace with a normal locknut, save yourself the aggravation of being down for days while waiting on specialty parts. Poor designers make stuff difficult for end users, consistency in moldboard hardware would've been nice....

    Boos Poly bottom row 001.jpg

    Boos Poly bottom row 005.jpg
     
  7. SnoFarmer

    SnoFarmer PlowSite Fanatic
    from N,E. MN
    Messages: 8,604

  8. Mr.Markus

    Mr.Markus PlowSite Fanatic
    Messages: 5,178

  9. SnoFarmer

    SnoFarmer PlowSite Fanatic
    from N,E. MN
    Messages: 8,604

    tmi......;)
     
  10. grandview

    grandview PlowSite Fanatic
    Messages: 14,609

    Go with bigger washers too.
     
  11. Mr.Markus

    Mr.Markus PlowSite Fanatic
    Messages: 5,178

    On mine it was the expansion nuts that failed, the existing washers and bolts stayed attached to the moldboard but yeah bigger washers would probably be a good idea.
     
  12. Mr.Markus

    Mr.Markus PlowSite Fanatic
    Messages: 5,178

    FYI you will need 3/8" grd 8 bolts 5" long,washers and I prefer nylock nuts, and a 3/8 drill bit at min 8".
    The 2 bolts closest to the hinge only have enough room for 2 1/2" bolts. Just drill straight through install hardware, done less than 20 min. Best done in scoop so you don't have the quadrant in your way on the inside bolts.HTH
     
  13. Mr.Markus

    Mr.Markus PlowSite Fanatic
    Messages: 5,178

    All set easy peesy...

    Boss poly fix 001.jpg

    Boss poly fix 002.jpg
     
  14. So you drilled the hole the entire way through the empty void to use an 8" carriage bolt? That is what I was thinking as why piss with the same mistake that came from factory?
     
  15. Mr.Markus

    Mr.Markus PlowSite Fanatic
    Messages: 5,178

    5" carriage bolt Grade 8.
    2.5 " for the one's on either side of the hinge.
     
  16. allagashpm

    allagashpm Senior Member
    Messages: 704

    Hey thanks for posting this up. I read it the other day then it happened to me. Mine started from the outside though. Then snow packed in and pulled three more bolts off gradually over the course of the 2 days I plowed. I just got the bolts and am going to fix it today. The store only had grade 5 though. Thanks again