Ditch Witch JT1220 Mach 1, Operator'S Manual

Page: 126 / 150

JT1220 Mach 1 Operator’s Manual
Systems and Equipment - 125
Downhole Tools
CMW
Installation
Remove all paint from mating surfaces before attaching any bit to housing. Install screws (p/n 107-277)
and torque 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