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Rotate external-adjusting-ring to click-1.0
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Rotate to install upper-flat-burr
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Install the metal-spacer with its protrusion facing the bearing
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Gripping the handle and the body connect position, let the central axis cannot rotate
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Install the metal-spacer with its protrusion facing the bearing
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Insert install the lower-flat-burr
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Rotate bottom-adjusting-part clockwise until fixed, then handle will not turn
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Rotate bottom-adjusting-part counterclockwise 2 clicks, the handle can be rotated, then finish the grinding degree calibration of Orca Flat Burrs
