55-18 Supplemental Operations D7x11 Series II Navigator Directional Drill
Step 7: Follow steps in “Lockout Procedure - With Remote Lockout,” page 30-11, or “Lockout Procedure -
Without Remote Lockout System,” page 30-13, to resume machine operation after lockout.
Step 8: Ensure everyone is away from the exposed drill string. Use machine to push drill rod forward until
male threads have engaged the downhole rod.
Step 9: Use slow forward rotation to turn drill string together until joint is tight. Proper makeup torque will
be attained due to resistance provided by cutting tool on the far end of drill string.
DANGER: Wrench on rotating drill string can strike you. Death or serious injury will
result. Ensure all tools are removed from the drill string before rotation is started.
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