Ditch Witch JT20 - Manual (Page 96)

JT20 Operator’s Manual
Conduct a Bore - 95
Drill First Pipe
CMW
®
Drill First Pipe
1. Turn on drilling fluid.
2. Set flow control to desired flow/pressure. See “Start System” on page 90.
3. Turn drill bit to starting position.
4. Slowly move carriage forward. Drill in downhole tools and 1/3 of first pipe before steering.
5. Monitor gauges.
Enable Automated Pipeloader System
Turning shaft can kill you or crush arm or leg. Stay away.
To help avoid injury:
• Keep everyone at least 10’ (3 m) away from turning drill string.
• Push rod or pipe slowly. Forcing can bend string. Do not use bent rod or pipe.
Jobsite hazards could cause death or serious injury. Use
correct equipment and work methods. Use and maintain proper safety
equipment.
Add Pipe Remove Pipe
1. Open front wrench, retract shuttles, and set
engine at full throttle for add pipe function to
work.
2. Press top of add pipe/manual/remove pipe
switch. Green control cycle light will come on.
3. Grippers will open, pipe will be lowered, and
then green control cycle light will flash.
1. Open front wrench, retract shuttles, and set
engine at full throttle for remove pipe function
to work.
2. Press bottom of add pipe/manual/remove pipe
switch. Green control cycle light will come on.
3. Grippers will open, pipe will be lowered and
lifted off shuttles, and then green control cycle
light will flash.
IMPORTANT: If you leave the seat during an add or remove pipe cycle, switch to manual control and
finish pipe cycle. Then switch back to add pipe or remove pipe. If you leave the seat between add or
remove pipe cycles, re-enabling system is not needed.