ControlTech
TM
Micro Wrench
5
16. Press the Up key to scroll to the CAL TORQUE selection then press the Enter key.
17. If the wrench is an Interchangeable head type, the Set Head Length screen will be
displayed: Otherwise skip to step 20.
18. If the displayed length is the same for the head to be used, press the Enter key four
times to use the default value and skip to step 20.
19. Set the length of the head used for calibration using the Up or Down keys to
increment/decrement the highlighted digit. Press the Enter key to highlighted the
next digit and press the Enter key again after setting the final digit. Note: the length
of the head is the dimension from the center of the drive to the center of the head
locking pin.
20. The Zero Tare screen will be displayed:
21. Place the wrench on the torque tester.
22. Set the torque tester to “PEAK MODE”.
23. Exercise the wrench 3 times to rated capacity in the CW direction. Focus your
attention on the tester indicator box when exercising the torque wrench.
24. Remove the wrench from the tester and press the Enter key on the torque indicator
to zero tare the transducer. Press the Enter key on the torque wrench. Be sure the
torque wrench is not on the loader and no stress is applied to the head during the
zero tare process.
25. The calibration measurement screen will be displayed:
26. Place the wrench back on the torque tester and make sure the wrench is level.
Figure 2 - Wrench on Stand
27. Load the wrench to full scale torque within +/- 1% of the torque value shown on the
indicator, then release the torque from the torque wrench (Note: indicator and
wrench retain the peak readings).
28. Press the Up and Down keys on the wrench to adjust the wrench reading until the
torque indicated by the wrench matches the torque indicated on the torque tester.
29. Once the two torque measurements match as close as possible, press the Enter
key to store the calibration and a "CAL COMPLETE” message will be displayed:
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