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PG Magnum Ground speed

Discussion in 'Pesticide & Herbicide Application' started by garydale, Aug 16, 2012.

  1. garydale

    garydale LawnSite Senior Member
    Messages: 813

    We have a long standing problem with our PG not pulling hills.
    Great on flat ground but, loses speed on any grades.

    Anyboby else finding or has solved this problem?
  2. RigglePLC

    RigglePLC LawnSite Fanatic
    Messages: 13,708

    I am not an expert...but...it sounds like the air vane governor is not working. In theory--the governor should give it more gas when your speed slows down. More gas gives it more power. I had a few problems with my Ultra until I understood the problem. New throttle springs fixed it. It should take a good small engine mechanic about 60 seconds to fix this. Sometimes a slight bend to the throttle bell-crank will clear it up.
  3. amerigreen

    amerigreen LawnSite Member
    from mn
    Messages: 54

    We have run into this problem. It was as simple as the drive belt getting glazed and slipping. Just a note we put a lot of hours on are machines and we have found the Gates PowerRated 6838 belt works the best. Its a green belt. Good luck.

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