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CAUTION: Make sure to remove the two Pins from the 3-Jaw Chuck once the jaws have been tightened. (See Figure D.) SKU 04019 PAGE 8 To Assemble The 3-Jaw Chuck For A Workpiece Up To 2” Diameter: 1. Workpieces with a diameter of up to 2” should be gripped with the external jaws of the 3-Jaw Chuck (part #67). (See Figure E.) 2. If necessary, reverse the jaws for external gripping. To do so, unscrew, remove, and clean each of the three jaws. Turn the knurled tension ring until the beginning of the s