Ditch Witch JT1220 Mach 1, Operator'S Manual

Page: 103 / 150

Conduct a Bore - 102
JT1220 Mach 1 Operator’s Manual
Assemble Backream String
CMW
Assemble Backream String
1. Select backreaming devices. See “Backreamers” on page 126.
2. Determine fluid rate requirements and install appropriate nozzles to provide sufficient flow. See
“Backream Fluid Requirements” on page 127 and “Nozzles” on page 124.
3. Attach backreamer to backream beacon housing if tracking backream.
4. Install beacon, following beacon instructions for:
• battery replacement
• beacon positioning
5. Install beacon housing lid. See “Beacon Housings” on page 125.
6. Follow beacon instructions to check beacon operation.
7. Follow tracker instructions to calibrate beacon.
8. Connect EZ-Connect joint or use quick wrench to attach backreamer/beacon housing assembly to
transition sub. See “Quick Wrench” on page 129.
9. Attach additional pullback devices or product to end of backreamer/beacon housing assembly.
Turning shaft will kill you or crush arm or leg. Stay away.
NOTICE: Keep everyone away from material being installed.
Moving tools will kill or injure. Shut off drill string power when anyone can
be struck by moving or thrown tools. Never use pipe wrenches on drill string.
Jobsite hazards could cause death or serious injury. Use
correct equipment and work methods. Use and maintain proper safety
equipment.
NOTICE: Continue to use strike system during backreaming.