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    jim200's Avatar
    jim200 Posts: 3, Reputation: 1
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    #1

    May 11, 2010, 03:28 PM
    Mower blades slow down on sears rider
    I have a Sears 42" cut that I have used extensively for 8 years. This year the mower blades slow down when under even a small load. Is this the belt slipping or something else? I have never changed the belt as I have never had a problem before.
    cdad's Avatar
    cdad Posts: 12,700, Reputation: 1438
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    #2

    May 11, 2010, 04:15 PM

    When was the last time you sharpened the blade? Also how is the belt tension on your unit?
    jim200's Avatar
    jim200 Posts: 3, Reputation: 1
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    #3

    May 11, 2010, 06:20 PM

    Just changed the blades this year. Is there a way to adjust tension or is the tension determined by the springs on the pulleys?
    Thanks!
    cdad's Avatar
    cdad Posts: 12,700, Reputation: 1438
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    #4

    May 11, 2010, 06:25 PM

    On some decks you can add some tension by moving the bearing that the shaft is attatched through. Almost like a cars alternator was in the old days but not very far. Otherwise your springs can caus the tension to occur. You can also try a product like "belt dressing" that usually works pretty good too but be sure to clean the belt so nothing accumulates on it.
    DG's Avatar
    DG Posts: 1,375, Reputation: 109
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    #5

    May 12, 2010, 12:01 PM
    Clean off your deck,lube up the part that moves back and forth when you engage it.
    Sounds like its not going all the way in .
    If you have never change the belt you might look at this also,
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