Model #917377972 CRAFTSMAN Walk Behind Lawnmower, Gas

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How do I replace a v-belt on a rear drive rotary lawn mower?


The process for replacing the belt on the rear drive models is a little involved and requires removing the blade, blade adapter, and dismantling some of the idler pulley/tensioner system.

For those reasons, it is typically recommended the job be handled by a professional so the procedure was not in the Owner's Manual on some of the earlier models. But the procedure was added to some of the later manuals for those customers who do want to tackle the job themselves. See the image below from one of the newer model manuals for the procedure.

If you have any reservations after reviewing the procedure you may still want to consult a professional. You can get more information on professional repairs in your area by calling 1-800-4MY-HOME (800-469-4663).

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HVAC & Fireplace Bucket -
Sears Technician
July 30, 2008

Can you send a better quality image?

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John -
September 13, 2013
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