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9.5' Extreme V Center Pin Breakage

Discussion in 'Fisher Engineering Discussion' started by MYWAYINVT, Jan 11, 2008.

  1. MYWAYINVT

    MYWAYINVT Junior Member
    from vermont
    Messages: 5

    As a new car dealer we install and service Fisher plows. One of our customers is running a 9.5' Extreme V with SS blade on a '07 F350 diesel dump with sander (or ballast). This customer is breaking a lot of center pins and subsequently breaking the rams (one punched a hole in the blade!). We've sold a few of these and this is the only customer with this issue. This customer is not known for abusing their vehicles- on the contrary, their trades are sought after. The only feedback from the field is that back dragging may be an issue. Needless to say, we're not getting a lot of support with warrantying these breakages. Any thoughts? Thanks.
     
  2. YardMedic

    YardMedic PlowSite.com Addict
    Messages: 1,266

    Well it's said that these plows aren't backdragging as well as others, but I can't believe that there's more force on the pins or pivot points in reverse than we put on them pushing forward. For one thing, there's only a fraction of the volume being dragged, and the force & speed in reverse are so much less than moving forward as well.
     
  3. Grn Mtn

    Grn Mtn PlowSite.com Addict
    Messages: 1,644

    email me - in my signature line, I have an idea for you.
     
  4. tkrepairs

    tkrepairs Senior Member
    from maine
    Messages: 186

    do you have any pictures of what these look like after they break? and why are there warranty issues? sounds like a mechanical defect to me....
     
  5. BoulderBronco

    BoulderBronco Senior Member
    Messages: 233

    Yeah lets see some pics. Mine is 8.5' new this year. I can't believe someone could break that pin unless you slammed something doing 20mph+. Not to mention breaking multiple ones. Just doesn't add up.