JT100/JT100 All Terrain Operator’s Manual Conduct a Bore - 123
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 120.
4. Load pipe.
• Make sure pipe box is positioned correctly.
• Close grippers.
• Lubricate threads on transition sub.
• Move pipe to spindle.
• Raise pipe in box.
5. Connect pipe.
• Move carriage forward until SaverLok
®
body nears male pipe thread.
• Slowly rotate spindle clockwise. Carriage will move forward as threads screw together.
• Slowly move carriage forward until pipe end touches end of transition sub.
• To screw pipes together and fully torque joint, slowly rotate drill pipe until spindle stops turning.
• Open wrench.
• Open grippers.
• Retract shuttles fully.
• Lower pipe lifters.
6. Close guides.
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