Manual

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.

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