12.2. Frequency of TO-1 and TO-2 depending on service conditions

Table 11.2. Frequency of TO-1 and TO-2 depending on service conditions
Category of service conditions
Frequency of maintenance, km

TO-1
TO-2
I
10 000
20 000
II
9000
18 000
III
8000
16 000
IV
7000
14 000
V
6000
12 000