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Help! mower wont stay ingaged on big ten


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Do all the pulleys turn easily -- PTO, idler, and mower deck drive? Assuming they do, you can loosen the little setscrew on the collar next to the spring and adjust the PTO lever. This changes the tension that the PTO lever places on the deck drive belt. The lever must go "over center" to stay engaged. If there's a lot of wear on your PTO lever, washers, etc., it may take several attempts to "fine-tune" it so it works just right.
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