UNPLUG THE SAW first!! Look for the blade lock on the top or front of the motor body, Hold the lock button down while turning the blade nut with a wrench. After a bit you'll feel the lock button engage and hold the blade firm. Rotate the the wrench counter clockwise and remove the nut, Slide the blade out from under the guard and replace with a new one. Reinstall the nut following the above procedure.
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UNPLUG THE SAW first!! Look for the blade lock on the top or front of the motor body, Hold the lock button down while turning the blade nut with a wrench. After a bit you'll feel the lock button engage and hold the blade firm. Rotate the the wrench counter clockwise and remove the nut, Slide the blade out from under the guard and replace with a new one. Reinstall the nut following the above procedure.