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Parallel Action Hand Tool Rev. A CAT-HT-144-2830-12 Date: 3/23/2016 ©Samtec, Inc. CUSTOMER SERVICE +1-800-726-8329 (+1-812-944-6733) Page 3 Adjusting the Handle Pre-Load The tool is calibrated at the factory to the optimum pre-load required to achieve a proper crimp. It may become necessary, over the life of the tool, to adjust the handle pre-load force. Follow the steps below to adjust the crimping force of the hand tool to obtain proper crimp parameters (Figure 5):
- Remove 2 mm locking screw from the adjustment wheel using TORX head wrench.
- Using a small screwdriver, turn the adjustment wheel to the next marked position.
- The tool uses an eccentric axle linkage mechanism. To increase the handle pre-load, move the wheel clockwise to the next highest odd number, or counterclockwise to the next highest even number.
- Turn the wheel until the desired number is located over the 2 mm tapped hole.
- Replace the 2 mm locking screw, aligning the nearest notch in the setting wheel.
- Check the crimp against the specifications, and conduct a pull test after the tool handle pre -load force is adjusted. Repeat the steps until the desired crimp performance is obtained. Figure 5