30-18 Overview
D20x22 Series II Navigator HDD
Drill Rod and Tools
D
RILL
R
OD
•
Before using a new drill rod, tap drill rod against a hard surface, such as a wood block, to dislodge scale and
rust inside. Hard pounding of the rod ends on steel or rock will damage threads.
•
Protect rod interiors by installing rod box cover when shutting down for the day and during transport.
•
Ensure rods have been cleaned prior to use. Refer to “Drill Rods - Clean and Store,”
•
Refer to the
Fundamentals of Horizontal Directional Drilling User’s Guide
for tool selection guides.
DANGER:
Rotating drill string or cutters can kill.
Stay away from rotating drill string and cutting tool.
DANGER:
Wrench on rotating drill string can strike you. Death or serious injury will
result.
Use only drill rods, drilling tools, and breakout device described in this manual or
approved by Vermeer Corporation.