JT520 Operator’s Manual
Conduct a Bore - 81
Surface Drill Head
CMW
Surface Drill Head
1.
Guide drill head to target pit or up through surface. Make all bends gradual. See “Recommended Bend
Limits” on page 51.
2.
Clean area around exit point.
3.
If using tracker control mode, tracker operator turns off tracker to disable drilling unit thrust/pullback
and rotation hydraulics. Tracker operator waits for green light to enter pit and change tools.
If not using tracker control mode, tracker operator signals to drilling unit operator to stop engine before
changing downhole tools.
4.
Turn fluid flow control to off position as soon as drill head emerges.
5.
Clean drill head especially around threads.
6.
Disconnect EZ-Connect joint or use quick wrench to remove drill head. Keep threads clean. See
“Quick Wrench” on page 107.
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.
Содержание JT520
Страница 1: ...JT520 Issue 1 1 Operator s Manual CMW 053 1219...
Страница 59: ...Prepare 58 JT520 Operator s Manual Check Supplies and Prepare Equipment CMW...
Страница 60: ...JT520 Operator s Manual Drive 59 CMW Drive Chapter Contents Start Unit 60 Steer Unit 60 Shut Down Unit 61...
Страница 63: ...Drive 62 JT520 Operator s Manual Shut Down Unit CMW...
Страница 71: ...Transport 70 JT520 Operator s Manual Tow CMW...
Страница 113: ...Systems and Equipment 112 JT520 Operator s Manual Drill Pipe CMW...
Страница 117: ...Complete the Job 116 JT520 Operator s Manual Stow Tools CMW...
Страница 132: ...JT520 Operator s Manual Service 131 150 Hour CMW 150 Hour Change Fuel Filter Change filter shown every 150 hours...
Страница 141: ...Service 140 JT520 Operator s Manual As Needed CMW...
Страница 145: ...Specifications 144 JT520 Operator s Manual CMW...
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Страница 150: ...JT520 Operator s Manual Service Record 149 CMW Service Record Service Performed Date Hours...
Страница 151: ...CMW Service Record 150 JT520 Operator s Manual Service Performed Date Hours...