| 1. Clear a dust and dirt from the working brake cylinder. | 
 
 | 2. Remove dustproof covers from each end of the working brake cylinder. | 
 
 | 3. Take both pistons with sealing rings from the brake cylinder. | 
 
 | 4. Check a condition of pistons and the brake cylinder on lack of wear, corrosion and other defects. | 
 
 | 5. Establish sealing rings on the piston, grease them with pure brake liquid and establish pistons in the brake cylinder. | 
 
 | 6. Establish dustproof caps. |