1. Merge liquid from system. 2. Disconnect forcing pipelines (S1), (Р4) from the control unit (3). 3. Disconnect the returnable pipeline (T) from the control unit (3). 4. Disconnect connecting draft between the control unit (7) and the stabilizer of cross-section stability. 5. Remove the control unit (3). 6. Disconnect connecting draft from the control unit (3). |