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Figure 78
1.
Grounding stake
2.
Move the stake directly away from the machine,
perpendicular to the drill frame, and drive it into the
ground until the handle touches the ground.
3.
If the ground is dry where you put the stake, soak the
ground with water before using the machine to ensure
good electrical contact.
Drilling the Bore
Starting the First Pipe
1.
Ensure that all bystanders are away from the machine
and that the exit-side lockout is On.
2.
Move the drive carriage fully down the drill frame and
spray the spindle threads with thread joint compound,
then return the drive carriage to the upper end of the
frame (
Figure 79
1.
Drill spindle
2.
TJC-applicator nozzle
3.
Rotate the cam until the cam automatically stops at the
first row of pipes in the pipe holder.
4.
Lower the elevators to load a pipe into the cam.
5.
Rotate the cam with the pipe facing toward the operator
until the cam stops.
6.
Rotate the pipe-gripper cam forward until the pipe is
in the grippers.
7.
Grip the pipe with the pipe grippers.
8.
Continue to rotate the pipe-gripper cam toward the
operator, until the pipe is aligned with the drill spindle.
9.
Rotate the drill spindle clockwise, and move the
carriage slowly forward to insert the spindle into the
female end of the pipe (
Figure 80
1.
Drill spindle
2.
Pipe
10.
Move the drive carriage slowly down the frame
until the male threads on the pipe are under the
thread-joint-compound applicator, and apply
thread-joint compound to the threads.
11.
Continue to rotate the drill spindle clockwise, until the
male pipe thread is fully seated into the sonde housing
or lead bar.
12.
Release and retract the pipe-gripper cam to the home
position.
Important:
Ensure that you fully retract the
pipe gripper and rotate it all the way out or the
carriage may collide with the gripper, damaging
the machine.
13.
Raise the pipe elevator.
14.
Retract the cam to the home position (past the fourth
row of pipes).
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