(1) Set the required torque value and move the locking device to lock position.
(2) Check whether the driving head of the torque wrench is suitable or select the suitable adapter.
(3) Before applying force, it is necessary to determine that the wrench is indeed combined with the object being applied.
(4) The position of applying force is the center of the grip.
(5) The force shall be applied smoothly and slowly. When the sound is heard (i.e. when the spring is released), the force shall be stopped.
(6) The setting value should be turned back to the minimum description after use.
(7) When using a large torque wrench, the operator should pay attention to the center of the body.