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JT5 Operator’s <strong>Manual</strong> Systems and Equipment - 119<br />
Drill Pipe<br />
Use Drill Pipe Correctly<br />
Align the Joints<br />
Always carefully align the male and female<br />
ends of pipe before screwing them together.<br />
Poor alignment can damage the threads and<br />
destroy the usefulness of the joint.<br />
IMPORTANT: The first pipe drilled must be<br />
in a straight line with the unit. A misaligned<br />
pipe can damage threads on each pipe that<br />
is added.<br />
Clamp Pipe Correctly<br />
Clamp on pipe when joint is centered between<br />
wrenches. Clamp only on the tool joint of the<br />
drill pipe as shown. This portion of the drill pipe<br />
is designed for clamping and is considerably<br />
thicker and stronger than the rest of the pipe.<br />
NOTICE: Clamping anywhere else on the<br />
pipe will weaken the pipe. Pipe can later<br />
break, even when operating under normal<br />
loads.<br />
CMW
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