At the defective or incorrectly established dustproof cuffs the dirt and a moisture get into brake cylinders. The working surface корродирует also is as consequence broken work of brake system.

Работотоспособность brake скобы check as follows:

- Remove and establish new brake overlays as it is described earlier;

- Check up presence of a free wheeling of overlays in directing, clear surfaces a firm tooth-brush and blow compressed air. During this work do not damage пыльники or do not break them from a landing place. Before installation of overlays grease contact surfaces;

- скоба should move freely. If is not present, clear, as it was described earlier, surfaces of sliding and easily grease температуроустойчивой with copper paste.