|  1. Remove tips of drafts.  | 
 
 
 | 2. Make an incision and remove collars of covers, remove covers.  | 
 
 
 |  3. Examine an epiploon of the steering mechanism. If in epiploons liquid dribble is found, then replace the steering mechanism.  | 
 
 
 | 4. Put on new covers and fix by new collars.  | 
 
 
 | 5. Establish tips of drafts.  |