woodruff key keeps breaking


Old 09-13-16, 11:43 AM
Thread Starter
Join Date: Jun 2006
Posts: 10
woodruff key keeps breaking

Hello everyone,
I have a Craftsman riding mower lt2000. Model No. 917.273756 that's about 10 yrs old.

The woodruff key #61 (half-moon shape) for the disk brake keeps breaking. I put in new pads, spring and brake rod. The rod is adjusted to about an 1 3/4". About 10 minutes into mowing the brakes stop working and it will no longer stop.

Thanks for any help!
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Old 09-13-16, 01:55 PM
Rough Rooster's Avatar
Join Date: Feb 2014
Location: USA
Posts: 381
Try spending a few cents more for a hardened key. Most likely you are getting a soft key. That application needs hardened.


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