Ditch Witch JT60AT - Manual (Page 113)

JT60/JT60 All Terrain Operator’s Manual
Conduct a Bore - 113
Backream
1. Select backreaming devices. See “Backreamers” on page 138.
2. Determine fluid rate requirements and install appropriate nozzles to provide sufficient flow. See
“Backream Fluid Requirements” on page 139 and “Nozzles” on page 136.
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 “Beacon Housings” on page 137.
6. Follow beacon instructions to check beacon operation.
7. Follow tracker instructions to calibrate beacon.
8. Use Hydratong wrenches to attach transition sub to drill pipe string. See “Hydratong Wrenches” on
page 147.
9. Use Hydratong wrenches to attach backreamer/beacon housing assembly to transition sub. See
“Hydratong Wrenches” on page 147.
10. Attach additional pullback devices or product to end of backreamer/beacon housing assembly.
JT mode AT Dirt mode AT Rock mode
1. backreamer
2. transition sub
3. JT60 drill pipe
1. backreamer
2. transition sub
3. JT60 All Terrain drill pipe
1. backreamer
2. transition sub
3. JT60 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