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See Figure 23. 10.The nuts on the flat head cap screws can be reached from underneath using a 1/2-inch socket, universal, and extension. See Figure 24. 11. Replace or sharpen chipper blade. The blade can be sharpened with a file or on a grinding wheel. 12.When sharpening blade, protect hands by using gloves and follow the original angle of grind. 13.Reassemble by performing the previous steps in the opposite order and manner of removal. NOTE: Tighten blade screws to 210 - 250 in-lbs. Make certai