1) Prepare the corresponding specimen holder according to the requirements. Check that the tensioner clutch, speed control handwheel and related safety switch are in the correct position. 2) Estimate the maximum load required, select the measuring force plate, and configure the corresponding cherry hammer. Adjust the pendulum vertical and adjust the pointer zero. 3) Install the sample. If the distance between the chucks is not suitable, it is necessary to turn on the movable table to the appropriate position, and then clamp the sample after stopping. For the tensile test, the upper and lower jaws are locked. 4) Adjust the installation of the drawing system as well as pen and paper. 5) Official experiment loading: Manually cut: first place the clutch handle in the "manual" position, then shake the handle to load. Electric loading: first place the clutch handle in the "slow" position and then start the motor to load. The loading speed can be changed by the speed governor when needed. 6) After the experiment is completed, stop immediately. Remove the test piece and restore everything. 7) Note: (1) In order to make the gears of the clutch mesh well, the handle of the shifter is adjusted to the "manual" position, and the handle is forced to rotate. (2) It is necessary to rotate the conditioning handwheel while the motor is running to achieve electric loading speed regulation. (3) In order to change the direction of the motor, it must be stopped first and then reversed. (4) When the test machine is running, the operator must not leave without permission, and the pendulum must not be touched. If there is any abnormality or any malfunction, it must be stopped immediately. (5) The small motor can only be used to quickly adjust the lifting of the movable table. It is strictly prohibited for loading or unloading.
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