1. When using the tension machine, carefully read the technical manual, familiar with the technical indicators, work performance, usage methods, and matters needing attention, and strictly follow the prescribed procedures of the instrument manual.

2. For the first time, the staff of the rally machine must be operated under the guidance of a skilled staff.

3. The tensile machine and other equipment used in the experiment should be placed neatly, easy to manipulate, observe and record.

4. Before the tension machine is energized, ensure that the power supply voltage meets the input voltage value specified by the tension machine. The tension machine equipped with the three-wire power plug must be inserted into the power supply socket with protection grounding to ensure safety.

5. When using a tension machine, its input signal or external load should be limited to the specified range, and overload operation is prohibited.

6. The tension machine must be operated with no load before use to ensure that it can be loaded without trouble. Lubricate before use, wipe clean after use, pay attention to daily maintenance and maintenance.

7. The tension machine can not be arbitrarily dismantled or disassembled.

8. Frequently carry out the maintenance and maintenance of the tension machine, and store it in the dry and ventilated place. If the waiting time is too long, it should be powered on regularly to prevent the mildew from damaging the parts of the tensile machine.