JT100/JT100 All Terrain Operator’s Manual
Systems and Equipment - 165
Downhole Tools
Backreamers
A backreamer enlarges the hole as pipe is pulled back through the bore. No one backreamer works well in
all conditions. These charts are meant as a guideline only. See your local Ditch Witch
®
dealer for soil
conditions and backreamer recommendations for your area.
•
1 = best
•
2 = good
•
3 = fair
•
4 = not recommended
Backreamer
Sandy
Soil
Soft Soil
Medium
Soil
Hard
Soil
Rocky
Soil
Soft
Rock
Hard
Rock
Beavertail
3
1
1
1
3
4
4
Three Wing
4
3
3
2
1
1
4
Water Wing
4
3
2
1
2
2
4
Compact Fluted
1
1
2
2
2
3
4
Kodiak
4
3
3
2
1
2
4
Rhino Rock
4
4
4
4
3
2
1
Rockmaster
®
4
4
4
4
3
1
1
Compaction
Cone
1
2
3
4
4
4
4
HC Hard
Condition
4
3
2
1
1
4
4
ST Saw Tooth
2
2
1
2
2
3
4
MX Mixer
2
2
3
4
4
4
4
CT Cutter
3
2
1
2
3
4
4
EX Expander
1
2
3
4
4
4
4
Fluted Cone
1
1
2
2
2
3
4
IMPORTANT:
For soil definitions, see the chart on the previous page.
Summary of Contents for JT100
Page 1: ...JT100 JT100 All Terrain Tier 4 Issue 2 1 Original Instruction Operator s Manual 053 2814...
Page 105: ...Prepare 104 JT100 JT100 All Terrain Operator s Manual...
Page 247: ...Service 246 JT100 JT100 All Terrain Operator s Manual As Needed...
Page 255: ...Service Record 254 JT100 JT100 All Terrain Operator s Manual Service Performed Date Hours...
Page 258: ......
Page 259: ......
