JT520 Operator’s Manual
Systems and Equipment - 103
Downhole Tools
CMW
Installation
Remove all paint from mating surfaces before attaching any bit to housing. Install screws (p/n 107-277)
and tighten bolts to 120 ft•lb (163 N•m).
Beacon Housings
Beacon Installation
To ensure beacon is installed correctly in rock housing, place battery end of beacon away from bit end of
housing.
Soil
Description
sandy soil
sugar sand, blow sand, or other soils where sand is the predominant component
soft soil
sandy loam
medium soil
loams, loamy clays
hard soil
packed clays, gumbo, all compacted soils
rocky soil
chunk rock, glacial till, cobble, rip rap, gravel
soft rock
soft limestone, sandstone, shale, coral, caliche
hard rock
granite, schist, marble, hard limestone
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...