Ditch Witch JT1220 Mach 1, Operator'S Manual

Page: 94 / 150

JT1220 Mach 1 Operator’s Manual
Conduct a Bore - 93
Assemble Drill String
CMW
Assemble Drill String
Prepare Beacon Housing
1. Select nozzles and bit.
2. Insert nozzle into beacon housing.
3. Attach bit (2) to beacon housing (1).
4. Install beacon, following beacon instructions for:
• battery replacement
• beacon positioning
5. Install beacon housing lid. See “Beacon Housings”
on page 125.
6. Follow beacon instructions to check beacon operation.
7. Follow tracker instructions to calibrate beacon.
Attach Transition Sub
Use either machine torque or quick wrench to attach transition sub (2) to beacon housing (1).
Machine Torque
1. Pull transition sub into front wrench.
2. Close wrench.
3. Lube joints.
4. Slowly make up joint.
5. Use full machine torque to tighten joint fully.
Quick Wrench
1. Lube joints with TJC.
2. Attach quick wrench to the joint in the join position and tighten joint. See “Quick Wrench” on page 129.
IMPORTANT: A variety of nozzles and bits
are available to suit your particular job
conditions. See “Downhole Tools” on
page 124 for more information, or contact
your Ditch Witch dealer.