Introduction
This guide will demonstrate how to replace the blade in your Crain 775 Jamb Saw.
Tools
Parts
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            Depress the spindle lock button to prevent the blade from spinning when you unfasten it. 
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            While depressing the spindle lock, use a 3/16 hex key to remove the socket set screw securing the blade in place. 
 
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            Remove the blade. 
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            When replacing with a new blade, ensure the two pegs on the face of the rotor mate with the holes in the blade. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.