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Having trouble with noise from the drive system and failure of drive belt

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  • Eugene Rounds Nov 19, 2014

    Hi Ed Grant, I want to help you with your question, but I need more information from you. Can you please add details in the comment box?
    Will need make and model info. Also which belt has failed; some mower used multiple belts in both deck and drive systems?

  • Ed Grant
    Ed Grant Nov 19, 2014

    The scag tiger cub mower uses separate belts for the hdy. drive system and the mower deck. I am sure that the noise is coming from the hdy drive system. the noise increases with engine rpm increase.

  • Eugene Rounds Nov 19, 2014

    The reason ask the number of belts as you specify which equipment you had. You reply narrow it down to 35 Scag Tiger Cubs models..

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Replace drive belt, check any pullies and bearings.

Posted on Nov 19, 2014

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This assumes that the failed belt was the drive belt.

For the Scag Tiger Cub Series they are using two ildler pulleys in the drive system. Check these for bad bearings. If they are smooth turning but still a lot bearing play replace them as they can lock up at anytime and destroy a belt. The only other items in the drive system is the two hydro pump/transmissions and the engine.

As for the noise varying with engine the same can said about the deck components when they are in operation.

Posted on Nov 19, 2014

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