Using an Adjustable Open-End Wrench

Tools And Their Uses - Hand tools and what they are used for
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TM 9-243 USING AN ADJUSTABLE OPEN-END WRENCH 1 Place the wrench (1) on the nut (2) so that the force used to turn it is applied to the stationary jaw side of the wrench. 2 Tighten the knurled adjusting nut (3) until the wrench fits the nut as tightly as possible. CAUTION If the wrench does not fit tightly, it will slip and round the corner of the nut. 3 Swing the wrench clockwise to tighten the nut. 4 After the nut is tight, set it up (final tightening). USING AN ADJUSTABLE STRAP PIPE WRENCH 1 Loop the strap (1) around the pipe (2) in the oppo- site direction to that in which the pipe is to be rotated. 2 Slip the end of the strap through the shackle (3) and draw it up tightly. 3 Pull the handle (4) to turn the pipe in the desired direction until the desired tightness is obtained. NOTE The jaw (5) at the end of the shackle will seat against the strap and, as the handle is pulled, the strap will tighten and turn the pipe. 25-15

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