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backwards pgp?

Discussion in 'Irrigation' started by BSME, May 21, 2007.

  1. BSME

    BSME LawnSite Senior Member
    from Midwest
    Messages: 829

    anyone ever see this? I was doing a startup today and wanted to tweak the adjustment on a pgp... I was getting really frazzled as to what was going on until I figured out the head was set to the left and was adjusting to the right!

    how does this happen? one in a million chance?

    no chance I was mistaken.... zero
     
  2. Remote Pigtails

    Remote Pigtails LawnSite Senior Member
    Messages: 581

    It does happen. hunter used to warn us of that possibility a looooong time ago.
     
  3. BSME

    BSME LawnSite Senior Member
    from Midwest
    Messages: 829

    I was so entertained I almost gutted it for free so I could take it home and put it in my collection
     
  4. Dirty Water

    Dirty Water LawnSite Fanatic
    Messages: 6,794

    Its about one in 50 in my experience.

    Gear goes in upsidedown is my guess.
     
  5. CAPT Stream Rotar

    CAPT Stream Rotar LawnSite Fanatic
    Messages: 6,130

    Last summer it was like 1 ever 3 cases up here in the north east
     
  6. Flow Control

    Flow Control LawnSite Bronze Member
    Messages: 1,267

  7. CAPT Stream Rotar

    CAPT Stream Rotar LawnSite Fanatic
    Messages: 6,130

    Par the course
     
  8. PurpHaze

    PurpHaze LawnSite Fanatic
    Messages: 5,496

    Something gets out of alignment in the assembly line (the Hunter PGP line is totally automated) and it's been explained to me that it's a "stop ring" or something to this nature. The gear drive slaps in on the wrong side of it and then the rotor will act like a Rainbird or Toro rotor for adjustment, permanent on the left side and adjustable on the right side. This also happens occasionally to the I-20s and I-40s we use and those lines are not fully automated.
     
  9. Midlo Snow Maker

    Midlo Snow Maker LawnSite Member
    Messages: 183

    see it every now and then, toro super 600 is famous for it
     
  10. Dirty Water

    Dirty Water LawnSite Fanatic
    Messages: 6,794

    put the head in upsidedown.

    Problem solved.
     

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