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Systems and Equipment - 110<br />
Downhole Tools<br />
JT5 Operator’s <strong>Manual</strong><br />
Downhole Tools<br />
Nozzles<br />
Nozzles control fluid flow from the pipe to the bore. Select nozzles that will supply at least the amount of<br />
fluid per minute needed for the flow and pressure you will be using. A nozzle that will supply more fluid per<br />
minute is recommended. See your <strong>Ditch</strong> <strong>Witch</strong> dealer for nozzle recommendations.<br />
Bits<br />
Selection<br />
These charts are meant as a guideline only. No one bit works well in all conditions. See your <strong>Ditch</strong> <strong>Witch</strong><br />
dealer for soil conditions and bit recommendations for your area.<br />
• 1 = best<br />
• 2 = good<br />
• 3 = fair<br />
• 4 = not recommended<br />
Bit<br />
Sandy<br />
Soil<br />
Soft Soil<br />
Medium<br />
Soil<br />
Hard<br />
Soil<br />
Rocky<br />
Soil<br />
Soft<br />
Rock<br />
Hard<br />
Rock<br />
Sand bit 1 2 4 4 4 4 4<br />
Durabit 2 2 1 1 4 4 4<br />
Tuff bit 2 1 1 1 2 3 4<br />
Steep Taper Tuff bit 4 3 2 1 1 2 4<br />
Barracuda bit 2 1 1 2 3 4 4<br />
Steep Taper bit 4 3 2 1 1 2 4<br />
Hard Surface bit 2 1 2 3 4 4 4<br />
Glacier bit 4 4 4 3 1 2 4<br />
Rhino bit 4 4 3 3 1 1 3<br />
Jetting assembly 4 4 3 2 1 2 3<br />
Rockmaster 4 4 3 2 1 1 1<br />
Talon Rock bit 4 3 2 1 1 1 4<br />
CMW
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