| 1. Fill a tank with fresh brake liquid (use of the fulfilled liquid is forbidden). |
| 2. Unscrew the pumping union on the working cylinder, attach to it a transparent hose and ask the assistant to press a coupling pedal to the full. |
| 3. At the pressed pedal tighten the union and ask the assistant to release a pedal slowly. |
| 4. Repeat procedure until then while the hose will not cease to leave air vials. |
| 5. Constantly watch level, the tank should be completely filled with liquid. |
| 6. Upon termination of tighten the union and restore liquid level in a tank. |