12. Maintenance

Daily maintenance (EO) 
Frequency of TO-1 and TO-2 depending on service conditions 
Periodic maintenance * (TO-1, TO-2, SO) 
Car lubricant 

For ensuring reliability and operability of the car it is necessary to carry out in due time and in due volume its maintenance (M).
Categories of maintenance:
- daily service (DS) (tab. 11.1);
- the first maintenance (TO-1) — tab. 11.3 and 11.4;
- the second maintenance (TO-2) — tab. 11.3 and 11.4;
- seasonal maintenance (WITH) — tab. 11.3 and 11.4;;

Frequency of TO-1 and TO-2 is established depending on category of service conditions (see tab. 11.2).

JSC GAZ constantly works on decrease in labor input of maintenance of the car, daily types and volumes of TO.
Therefore the separate recommendations on THAT the car provided in this section can not conform to the requirements of the service book and the management of operation attached to the concrete car.