30-30 Overview D7x11 Series II Navigator Directional Drill
Step 9: Slowly thread drive chuck into the rod. The drive head will move forward as the joint tightens.
Step 10: With minimum thrust, full rotation, and with front vise (2) clamped on downhole rod,
thread upper rod into lower rod and tighten joint to 2000 psi (138 bar) reading on gauge
(automatically limited by torque limiter).
Step 11: Release vise. Turn drilling fluid on.
Step 12: Drive rod into ground.
Step 13: Repeat procedure to add additional rod.
DANGER: Rotating drill string can kill. Do not hold drill rod by hand when rotating
drive chuck to thread rod joints.
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