Model #987889000 CRAFTSMAN Lawn Mower Walk Behind

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My mower model number is 987899000. My new drive pulley is narrower than the original and the brake pad won't fit so the blade brake system won't work. What can I do?


I think you have the deck belt routed wrong. When you disengage the deck drive the belt should be loose and not be turning the blades. The blade brake is there to stop the blade from turning within a certain time frame after you disengage the deck drive. The blade brake just puts some friction on the mandrel pulley.

Look closely at the way the belt is routed around the pulleys. Make sure the belt guides are not holding the belt against the engine pulley.

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Jimmy K -
Sears Technician
June 16, 2008

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