The brush holders EMS 2A.

The brush holder EMD ensures the flow of electric current to the electro-magnetic coupling to the EM pin of execution. The amount required for the installation of the brush holders depends on how quickly rotates the clutch. If the speed is 10 meters per second, then set one of the brush holder. At a rate that ranges from 10 to 20 meters per second, is set for two brush holder.

The body of the brush holder EMD 2A is made of three components: a metal hexagon with narezanii thread, brass tube and polyamide, which is a dielectric ( the material has excellent dielectric strength, increased oil resistant and heat resistant) filled between the brass tube and the hexagon thread.

Inside the brass tube is a conductive element consisting of a bundle of brushes, the copper leash, equipped with a spring, the threaded part, which is designed for fixing cable lug. All this is soldered between them. The brush should move smoothly and have in the working position of the contact by pressing 1,2 ± 0,1 kg.

The brush is a consumable item and subject to wear, as she has contact with a rotating coupling.

Extend the life of the brushes may proper care. Brushes should always have a mirror shiny surface over the entire area that touches the contact rings of the motor. Then they will work silently. Inspecting the brushes of the brush holder EMD periodically check the pressure on the rings by measuring in the radial direction at the center of the brush. If the pressure is above the normal level, the spring mechanism of the brush holder must be replaced. During the inspections follow the wear of the brushes.

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