How to maintain the garage door controller?
Some houses are equipped with garages, garage doors and garage door controller is one of the important parts of home equipment, but garage doors are prone to failure and damage due to long-term use. The following small series gives you a brief introduction to the structure and maintenance knowledge of the garage door, so that you can maintain and repair it yourself. The vehicle control door is generally composed of a door body, a bracket, a spring, a steel cable, a chain and garage door controller. The spring and the steel cable are often damaged, and the controller is required for maintenance and debugging. It mainly introduces three parts that need to be maintained. 1, Spring The spring acts to balance the weight of the garage door and has a service life. The length of time varies depending on the frequency of use. Therefore, it is recommended that you switch the garage door as little as possible when it is unnecessary, which will extend the life of the spring and...