Ditch Witch JT40, Operator'S Manual

Page: 135 / 253

Conduct a Bore - 134
JT40/JT40 All Terrain Operator’s Manual
Add Pipe
JT Mode
1. Press drilling unit autothrottle control. See “Autothrottle control” on page 38. Engine will increase to full
throttle.
2. Enable automated pipeloader system if desired. See “Enable Automated Pipeloader System” on
page 130.
3. Break joint at saver sub.
4. Load pipe.
Manual Pipeloader Controls Automated Pipeloader Control
• Position pipe in wrenches. See “Clamp
Pipe” on page 124.
• Locate drill head.
• Rotate pipe to 12 o’clock position.
• Close front wrench.
• Rotate spindle counterclockwise.
• Carriage moves back slowly as threads
separate.
• After threads are fully separated, stop
rotation and move carriage to back of
frame until rear stop indicator is lit in right
console.
• With pipe loader enabled, see “Enable
Automated Pipeloader System” on
page 130. Position pipe in wrenches. See
“Clamp Pipe” on page 124.
• Locate drill head.
• Rotate pipe to 12 o’clock position.
• Close front wrench.
• Rotate spindle counterclockwise.
• Carriage moves back slowly, as threads
separate.
• After threads are fully separated, stop
rotation and move carriage to back of
frame until rear stop indicator is lit in right
console.
• While carriage is moving, grippers will grip,
pipe is lubed, and upper display shows
corresponding messages.
Manual Pipeloader Controls Automated Pipeloader Control
• Ensure that lift arms are completely
lowered.
• Close grippers.
• Move pipe in shuttles to spindle and lube
front threads at wrench.
• Raise pipe in box.
• With carriage at rear stop position at back
of drill frame as indicated by upper display,
press RESUME. Display changes to
“Adding Pipe”. Pipe is moved to spindle.
Pipe in box is lifted.
IMPORTANT: If a row of pipes is empty and
RESUME is pressed, “Row Empty, Select
New Row” will appear on display. Use row
select buttons (page 32) to select new row
and press RESUME. Shuttle will move to
new row.
• Display reads “ADD PIPE waiting”.