Systems and Equipment - 188 JT40/JT40 All Terrain Operator’s Manual
Wireline Operation
Wireline Operation
The JT40 can be modified to operate a wireline operation system by installing kit 190-2518. Wireline
operation uses a transmitter in the drilling head that is hard wired through the drill string to an offboard
computer station at the rear of the unit. Each time pipe is added to the drill string, a new section of wireline
is inserted through the new pipe, gearbox, and water swivel, then spliced to the tracking system. The
operator must be aware of the wireline operation specialist’s activity at the front and rear of the machine.
IMPORTANT: This section is intended as an overview for the JT40 drilling unit operator. During most
bores, a wireline operation specialist is responsible for making wireline connections. For specific
information about wireline operation, including system operation and safety precautions, consult your
wireline operation equipment vendor.
1. Operator awareness zones 2. Wireline
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