Structure Understanding and Maintenance of medical foot solutions

X ray foot switch is now widely used in life, very common, the following to understand the structure of the medical foot solutions, the foot switch to understand it!
The medical foot solutions is composed of the upper cover, pedal, base and micro-switch. The pedal is pivoted on the base. A micro-switch is set in the base. There is an automatic reset driving rod between the pedal and the micro-switch. The driving rod is facing the micro-switch button. The pedal pushes the push rod forward to push the button, releases the pedal driving rod and automatically resets the button. The structure of medical foot solutions is simple. Only by pedaling or loosening pedal, the purpose of switching circuit or breaking circuit can be achieved, and the switching sensitivity can be achieved.
Understanding the medical foot solutions, when the medical foot solutions has problems, can you find out the problem or repair it?