| 1. Disconnect the battery from weight. | 
 
 | 2. Remove a wheel (subsection 11.2.7 see). | 
 
 |  | 3. Turn away screws of the top casing. | 
 
 |  | 4. Turn away 2 screws in the bottom part of a steering column (are behind the lever of the bottom casing). | 
 
 |  | 5. Pull for the lever (if it is provided) and remove the bottom casing. | 
 
 |  | 6. Remove the top casing. | 
 
 | 7. Installation is carried out upside-down. |