Conduct a Bore - 82
JT520 Operator’s Manual
Assemble Backream String
CMW
Assemble Backream String
1.
Select backreaming devices. See “Backreamers” on page 104.
2.
Determine fluid rate requirements and install appropriate nozzles to provide sufficient flow. See
“Backream Fluid Requirements” on page 105 and “Nozzles” on page 102.
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 103.
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 107.
9.
Attach swivel and 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 injure or kill. 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.
Summary of Contents for JT520
Page 1: ...JT520 Issue 1 1 Operator s Manual CMW 053 1219...
Page 59: ...Prepare 58 JT520 Operator s Manual Check Supplies and Prepare Equipment CMW...
Page 63: ...Drive 62 JT520 Operator s Manual Shut Down Unit CMW...
Page 71: ...Transport 70 JT520 Operator s Manual Tow CMW...
Page 113: ...Systems and Equipment 112 JT520 Operator s Manual Drill Pipe CMW...
Page 117: ...Complete the Job 116 JT520 Operator s Manual Stow Tools CMW...
Page 141: ...Service 140 JT520 Operator s Manual As Needed CMW...
Page 145: ...Specifications 144 JT520 Operator s Manual CMW...
Page 148: ......
Page 149: ......
Page 150: ...JT520 Operator s Manual Service Record 149 CMW Service Record Service Performed Date Hours...
Page 151: ...CMW Service Record 150 JT520 Operator s Manual Service Performed Date Hours...