50-24 Operation D7x11 Series II Navigator Directional Drill
Remote Lockout Use
Always follow “Lockout Procedure - With Remote Lockout,” page 30-11, or “Lockout Procedure - Without Remote
Lockout System,” page 30-13, before changing tools.
Communication Requirements
Reamer Carrier Use
If using a reamer carrier to remove drill head and install pullback tool, refer to the Overview section “Reamer
Installation,” page 30-21, for information.
DANGER: Rotating drill string can kill. Unexpected start-up possible.
Lock out before working on drill string.
WARNING: Proper communication is essential to prevent unplanned start-up of the
drill string and/or tool. Serious injury or death could result. Always follow
communication requirements as explained in the Preparation section, “Warning
Safety Signs and Operating Instructions,” page 40-2.
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