Ditch Witch JT100AT - Manual (Page 130)

JT100/JT100 All Terrain Operator’s Manual
Conduct a Bore - 129
Backream
CMW
©
Assemble Backream String
1. Select backreaming devices. See “Backreamers” on page 166.
2. Determine fluid rate requirements and install appropriate nozzles to provide sufficient flow. See
“Backream Fluid Requirements” on page 163 and “Nozzles” on page 160.
3. Attach backreamer to beacon housing if tracking backream.
4. Install beacon, following beacon instructions for:
• battery replacement
• beacon positioning
5. Install beacon housing lid. See page 161.
6. Follow beacon instructions to check beacon operation.
7. Follow tracker instructions to calibrate beacon.
8. Use quick wrenches to attach transition sub to drill pipe string. See “Hydratong Wrenches” on
page 165.
9. Use quick wrenches to attach backreamer/beacon housing assembly to transition sub. See “Hydratong
Wrenches” on page 165.
10. Attach additional pullback devices or product to end of backreamer/beacon housing assembly.
JT mode AT dirt mode AT mode
1. backreamer
2. transition sub
3. JT100 drill pipe
1. backreamer
2. transition sub (p/n 400-1383)
3. JT100 All Terrain drill pipe
1. backreamer
2. transition sub (p/n 400-1383)
3. JT100 All Terrain drill pipe
IMPORTANT: If no part number is listed, contact your Ditch Witch
®
dealer about available options.
j07om074h.eps
2 3
1
2 3
1
2 3
1