This video provides step-by-step instructions for replacing the safety switch (or blade interlock switch) on Craftsman lawn mowers. The most common reasons for replacing the switch are if it prevents the mower from starting even if the blades are not engaged or if it does not prevent the mower from starting even when the blades are engaged.
Click here to purchase Part #532197802: http://www.repairclinic.com/PartDetail/Safety-Switch/532197802/2426550?TLSID=1876
Switch part testing video: https://www.youtube.com/watch?v=e3Q2UNLX-28
Additional lawn mower repair, troubleshooting tips, help with finding your model number, and part replacement videos: http://www.repairclinic.com/RepairHelp/Lawn-Mower-Repair-Help?TLSID=1876
All of the information in this safety switch replacement video is applicable to the following brands: Craftsman, Ariens, Husqvarna, Poulan
Tools used: 3/8” socket, 1/4” socket
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