Remove pipe, Jt20 operator’s manual – Ditch Witch JT20 User Manual
Page 106
JT20 Operator’s Manual
Conduct a Bore - 105
Remove Pipe
CMW
®
Remove Pipe
1.
Enable automated pipeloader system (automated pipeloader control only).
2.
Stop carriage when pipes are aligned in wrenches.
3.
Clamp pipe in front wrench.
4.
Break front joint.
•
Turn rear wrench counterclockwise to break joint.
•
Disengage rear wrench and rotate wrench clockwise.
5.
Grip pipe:
6.
Separate front joint.
•
Slowly rotate spindle counterclockwise and move carriage back to separate pipe.
•
Continue to move carriage back until pipe is properly positioned in rear wrench.
7.
Break rear joint:
8.
Ensure shuttle stop is positioned correctly.
Manual Pipeloader Controls
Automated Pipeloader Control
•
Open grippers.
•
Lift pipe off shuttles.
•
Extend shuttles to spindle position.
•
Close grippers.
•
Lower lifters.
•
Press RESUME. Green control cycle light
will come on, shuttles will extend, grippers
will grip fully and relax open, pipe lifters
will lower, and then green control cycle
light will flash.
Manual Pipeloader Controls
Automated Pipeloader Control
•
Engage rear wrench.
•
Slowly rotate spindle counterclockwise
and move carriage back until joint is
loosened. Do not fully separate joint.
•
Disengage rear wrench.
•
Move carriage back until front end of pipe
is aligned with front end of pipe box or
alignment pin is even with tab on frame.
•
Close grippers.
•
Rotate spindle counterclockwise until
saver sub is separated from pipe.
•
Move carriage to back of frame.
•
Engage rear wrench.
•
Slowly rotate spindle counterclockwise
and move carriage back until joint is
loosened. Do not fully separate joint.
•
Disengage rear wrench.
•
Move carriage back until front end of pipe
is aligned with front end of pipe box or
alignment pin is even with tab on frame.
•
Press RESUME. Green control cycle light
will come on, grippers will close and then
green control cycle light will flash.
•
Rotate spindle counterclockwise and
move carriage back until saver sub is
separated from pipe.
•
Move carriage to back of frame.