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Conduct a Bore - 140
JT40/JT40 All Terrain Operator’s Manual
Surface Drill Head
Surface Drill Head
1.
Guide drill head to target pit or up through surface. Make all bends gradual. See “Recommended Bend
Limits” on page 92.
2.
Clean area around exit point.
3.
Turn fluid flow control to off position as soon as drill head emerges.
4.
Allow tracker operator to turn off tracker or use DrillLok
®
system to disable drilling unit thrust/pullback
and rotation hydraulics. Tracker operator waits at least 16 seconds for green light to enter pit and
change tools.
5.
Clean drill head especially around threads.
6.
Disconnect EZ-Connect joint or use quick wrench to remove drill head. Keep threads clean. See
“Hydratong Wrenches” on page 169.
Moving tools will kill or injure. Never use pipe wrenches
on drill string.
273-278
Turning shaft will kill you or crush arm or leg. Stay away.
To help avoid injury:
•
Tracker operator and drill operator should maintain two-way communication.
•
Keep everyone clear of the exposed drill string.
•
No one should enter pit until clear communication is given by the drill operator that the drill unit is
shut down. Do not enter pit until green light DrillLok
®
system light on unit is lit. See “DrillLok®
System” on page 162.
•
Drill operator should be instructed to discontinue drill string rotation as soon as drill bit exits the
bore. Use thrust only to extend drill string beyond exit hole.
Summary of Contents for JT40
Page 1: ...JT40 JT40 All Terrain HRC and LRC Issue 1 0 Original Instruction Operator s Manual 053 2966 ...
Page 79: ...Controls 78 JT40 JT40 All Terrain Operator s Manual Battery Disconnect ...
Page 113: ...Drive 112 JT40 JT40 All Terrain Operator s Manual Shut Down Unit ...
Page 119: ...Transport 118 JT40 JT40 All Terrain Operator s Manual Retrieve ...
Page 147: ...Conduct a Bore 146 JT40 JT40 All Terrain Operator s Manual Remove Pullback Device ...
Page 199: ...Complete the Job 198 JT40 JT40 All Terrain Operator s Manual Stow Tools ...
Page 241: ...Service 240 JT40 JT40 All Terrain Operator s Manual As Needed ...
Page 250: ......
Page 251: ......
Page 253: ...Service Record 252 JT40 JT40 All Terrain Operator s Manual Service Performed Date Hours ...