Maintenance of the spring tester with single digit display

Maintenance and repair of the spring tester with single digit display:
1、 The validity period of calibration of indication error of spring testing machine is one year under normal use conditions.
2、 When the spring testing machine is used, especially when unloading, do not let go of it, so as to avoid severe vibration and affect the accuracy of the testing machine.
3、 The lifting rack and each pressure injection oil cup of the testing machine should be lubricated frequently
4、 The validity period of calibration of indication error of spring testing machine is one year under normal use conditions.
5、 When the spring testing machine is used, especially when unloading, do not let go of it, so as to avoid severe vibration and affect the accuracy of the testing machine.
6、 The lifting rack and each pressure injection oil cup of the testing machine should be filled with lubricating oil frequently.
7、 After using, the testing machine should be covered with machine clothes to prevent dust from falling into the machine.
8、 In order to protect personal safety, the testing machine should be properly grounded.