Conduct a Bore - 76 JT5 Operator’s Manual
Add Pipe
CMW
®
Add Pipe
1. Set engine throttle to full speed.
2. Clamp pipe joint. See “Clamp Pipe” on page 72.
3. Locate drill head.
4. Engage front wrench until pipe is clamped and pressure develops.
5. Slowly rotate spindle counterclockwise. Move carriage back as threads unscrew.
6. After threads are fully unscrewed, stop rotation and move carriage to back of frame, slowing down as
carriage approaches rear end.
7. Connect Pipe. See “Connect Drill Pipe” on page 74.
8. Ensure that pipe fills and fluid pressure begins to rise.
9. Rotate spindle.
10. Slowly move carriage forward. Adjust rotation speed control according to bit size and soil conditions.
11. Monitor gauges.
12. Locate drill head with tracker at least every half-length of pipe.
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