Ditch Witch JT60AT - Manual (Page 101)

JT60/JT60 All Terrain Operator’s Manual
Conduct a Bore - 101
Assemble Drill String
Connect Drill Pipe
1. Start drilling unit engine.
2. Align transition sub in front wrench.
3. Clamp tool in front wrench. See “Clamp Pipe” on page 98.
4. Load pipe.
• Make sure shuttle stop is positioned correctly.
• Lubricate threads in front wrench.
• Grip pipe.
• Move pipe to spindle.
5. Connect pipe.
• Move carriage forward until SaverLok nears male pipe thread.
• Continue to move carriage forward and rotate spindle until pipe screws into SaverLok.
• Relax grippers.
• Move carriage forward until front end of pipe is aligned with transition sub male thread.
• Use machine power to slowly rotate spindle and drill pipe onto transition sub male thread.
• Raise pipe that is in pipe box.
• Open grippers.
• Move shuttle back against shuttle stop.
• Lower pipe completely into shuttle.
6. Slowly tighten to full machine torque.
7. Disengage rear wrench and move carriage back to top of frame.
8. Stop drilling unit engine.
9. Reinstall blocks on guides.