Introduction
Follow this guide to remove and replace the cutting blade for the Classen Sod Cutter SC18AHDCA.
Tools
Parts
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            Grab the plastic housing at the end of the spark plug wire. 
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            Pull firmly to disconnect the wire from the spark plug. 
 
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            Use a 1/2" socket wrench to remove the six 1 inch-long bolts securing both ends of the blade. You may need to use a 1/2" combination wrench to hold the nuts in place. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.