Ditch Witch JT2020 - Manual (Page 100)

JT2020 Mach 1 Operator’s Manual
Conduct a Bore - 99
Assemble Drill String
CMW
Connect Drill Pipe
1. Start drilling unit engine.
2. Align drill pipe in front wrench.
3. Clamp tool joint in front wrench. See “Clamp Pipe” on page 96.
4. Load pipe:
• Make sure pipe box is positioned correctly.
• Lower pipe lifters.
• Close grippers.
• Lubricate pipe threads (pipe loader end).
• Lubricate pipe threads (front wrench end).
• Move pipe to spindle.
• Raise pipe lifters.
5. Connect pipe:
• Move carriage forward until pipe joints meet at front wrench.
• Rotate spindle clockwise. Carriage will move forward as pipe threads tighten.
• Rotate clockwise until spindle stops turning, and joint is fully tightened.
• Open grippers.
• Retract shuttles fully.
• Open front wrench.