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    Dewey37's Avatar
    Dewey37 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Apr 10, 2008, 08:34 AM
    The self propell doesn't work on my Troy Bilt mower.
    I have a Troy Bilt self propelled 21 inch mower.
    The power drive does not work right. It does not pull
    Good at all.When the wheels are raised off the ground
    They turn good. Also when pulling the mower backward
    The wheels are locked.
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
    Uber Member
    		  
    #2

    Apr 10, 2008, 10:05 AM
    I assume front wheel variable speed drive. Post a model #.

    You do need to disengage the drive when pulling the mower backwards.

    First, inspect the tread of the wheels. If, worn, forget it. Replace the wheels. If MTD says they are not available, check your mower shop. Aftermarket wheels may be.

    If I's like the one I'm familiar with, take off the plastic piece on top and toward the front of the mower. This will expose the drive mechanism.

    There seems to be a few failure modes:
    1) belt
    2) friction disk or just adjustment
    3) bearings on the driven shaft

    Inspect and repair.
    MOWERMAN2468's Avatar
    MOWERMAN2468 Posts: 3,214, Reputation: 243
    Ultra Member
    		  
    #3

    Apr 11, 2008, 02:34 PM
    Check for a stretched belt, and check to see that the cable is moving the engagement lever the full motion.
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