BE SURE THAT THE TORQUE WRENCH
Figure 3-15 shows a step-by-step method to
HAS A CURRENT CALIBRATION LABEL
calculate torque.
ON IT BEFORE YOU USE IT. The accuracy of
torque-measuring depends a lot on how the
Proper Use of Torque Wrenches
threads are cut and on the cleanliness of the
threads of the item being torqued. Make sure you
Use the torque wrench which will read about
inspect and clean the threads. If the manufacturer
midrange for the amount of torque to be applied.
293.7
Figure 3-15.--Determining torque wrench correction factors.
3-10