DescriptionThis video provides step-by-step instructions for replacing the blade adapter on Craftsman lawn mowers. The most common reason for replacing the blade adapter is if it is worn or damaged.
All the information in this blade adapter replacement video is applicable to the following brands: MTD, Yard Machines, Craftsman, Yard-Man, Huskee, Murray, Troy-Bilt, MasterCut, Bolens
Tools used: 5/8” socket, hammer
Step-By-Step Instructions1
Before you replace the blade adapter on your lawn mower first make sure the engine has cooled.
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Next, you should remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
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We recommend performing this procedure with little or no fuel in the tank.
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Now carefully set the lawn mower on its side.
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Use a wood block or a comparable sturdy object to hold the cutting blade in place then use a 5/8th inch socket and strike it with a hammer to help loosen the mounting bolt.
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Unthread the bolt and remove the blade and support.
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You can now use the hammer or a gear puller to help remove the old blade adapter.
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Install the new blade adapter by aligning the key in the adapter with the slot in the crankshaft and sliding the adapter into position.
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Replace the cutting blade by aligning it on the new adapter with the sharp edge facing away from the mower deck.
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Position the new blade support and thread the provided mounting bolt.
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Use the wood block to hold the blade in place and torque the bolt to 42 foot pounds.
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Return the mower to its upright position.
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With the repair completed reattach the wire and boot to the spark plug refill the fuel tank and your lawn mower should be ready for use.