JT920/JT920L - OPERATION 91
DRILL FIRST PIPE
JT920/JT920L - OPERATION 91
DRILL FIRST PIPE
Break Joint at Saver Sub
1. When joint flats are aligned with front wrench, release
joystick.
2. Engage front wrench.
3. Rotate spindle clockwise slowly until wrench flats engage
pipe flats.
4. Reverse rotation and slowly move carriage back as threads
unscrew.
IMPORTANT: Move carriage back only after threads have
unscrewed completely to protect threads.
5. Stop rotation and move carriage to back of frame.
Break Joint at Saver Sub
1. When joint flats are aligned with front wrench, release
joystick.
2. Engage front wrench.
3. Rotate spindle clockwise slowly until wrench flats engage
pipe flats.
4. Reverse rotation and slowly move carriage back as threads
unscrew.
IMPORTANT: Move carriage back only after threads have
unscrewed completely to protect threads.
5. Stop rotation and move carriage to back of frame.