Blohm + Voss Oil Tools FloorHand 9GF-1102, Technical Documentation Manual

Page: 21 / 105

21
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AT
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Make Up Torque Adjustment
To make up a connection for the first time, it is necessary to set the
make up torque to the proper setting for the given tool joint, as per
appropriate specifications from either the well plan or from the drill
pipe manufacturer. Referring to normal make up procedures, it is
assumed that the unit is engaged with the lower wrench clamped on
the box and the pin has been spun up and shouldered. The make up
torque adjustment is as follows:
1. Locate the "Torque Adjustment" control knob on the control
panel below the torque gauge and break free the lock knob. Then
rotate the adjustment knob counter clockwise until it stops.
This decreases the available pressure in the torque circuit to a
minimum.
2. With the upper wrench unclamped, move the "torque" handle on
the main control valve to rotate the upper wrench fully to the break
out position (that is, where the torque cylinder is fully extended).
3. Push the "upper clamp" handle on the main control valve to clamp
the upper wrench on the pin end of the tool joint.
4. Pull and hold the "torque" handle on the main control valve. The
upper wrench may or may not begin to move in the direction of
make up. While holding the "torque" handle, rotate the "Torque
Adjustment" control knob on the control panel clockwise to increase the torque until the
reading on the torque gauge reaches the desired setting and stops moving. Hold for 3
seconds. Do not over torque the joint.
5. Lock in torque adjustment by gently tightening the locking knob. Do not over tighten.
Once the unit has been properly adjusted, it is usually not necessary to re-adjust under
normal conditions. At each connection, the operator should verify that the torque gauge
stops at the proper setting for the particular tool joint. If it does not, the unit must be re-
adjusted.
Figure 7
Figure 6
note:
iF, at any time, tHe torque pressure Drops
During tHe makeup proceDure, tHis means tHat
tHe cylinDer is out oF stroke. tHe upper WrencH
sHoulD be unclampeD anD anotHer bite sHoulD be
taken.