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737 / High pitched squeal?

Discussion in 'Lawn Mowing' started by JOEWOOD, May 9, 2005.

  1. JOEWOOD

    JOEWOOD LawnSite Member
    Messages: 146

    [​IMG]

    Any one ever experience this annoying sound?

    I located one grease fitting (well hidden) that my Deere Dealer forgot.

    Joe
     
  2. DLCS

    DLCS LawnSite Platinum Member
    Messages: 4,382

    When does it happen? All the time, when engaging the pto, at engine start up?
     
  3. K&L Landscaping

    K&L Landscaping LawnSite Senior Member
    Messages: 657

    Give us more info. please. I have JD 757 & JD 717A, both machines I think I know very well. Perhaps I can help with a little more info.
     
  4. ed2hess

    ed2hess LawnSite Fanatic
    Messages: 13,838

    If JD has a clutch for the blades it is probably the clutch. Maybe the air gap is set to large. Or do you have a pulley or spindle that is bound up causing a load on that clutch?
     
  5. JOEWOOD

    JOEWOOD LawnSite Member
    Messages: 146

    [​IMG]

    Hello Guys,

    The squeal happens about 1/2 hour into mowing, at that point i disengage the blades but still squeals. I shut down for a while then continue without squeal.

    Thanks...Joe
     
  6. QuikKutLawn

    QuikKutLawn LawnSite Member
    Messages: 36

    Does it only happen when moving? If you stop without shutting down the engine does it continue to squeal?
     
  7. bk2030

    bk2030 LawnSite Member
    Messages: 7

    How new is the machine?

    If the squeal happens when the machine is moving and the deck is on the ground, the front casters on the center of the deck are making the squeal. We have noticed this on newer machines and will go away when the rollers get broken in.
     
  8. JOEWOOD

    JOEWOOD LawnSite Member
    Messages: 146

    Does it only happen when moving? If you stop without shutting down the engine does it continue to squeal?

    Yes it squeals even when not in motion, the machine is 2 months new.

    Joe
     
  9. bk2030

    bk2030 LawnSite Member
    Messages: 7

    Check the transmission drive belt and Idler pulleys. If the blades are not turning and the machine is not moving, the drive belt and engine are the only two things moving. Also make sure nothing is in the flywheel. (leaf, plastic, etc.)
     
  10. DLCS

    DLCS LawnSite Platinum Member
    Messages: 4,382

    Take it back to the dealer since its under warrenty. I would say its coming from one of the pulleys on the drive system.
     

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