Maintenance Schedules
Table 1, Maintenance Schedules
|
Maintenance Schedules |
|||||
|
Schedule |
Maintenance Intervals |
||||
|
Maintenance Interval |
Frequency |
Frequency |
Frequency |
Frequency |
|
|
Schedule I1 (severe service) for vehicles that travel up to 6,000 miles (10,000 km) annually |
Initial Maintenance (IM) |
first |
1000 |
1600 |
100 |
|
Maintenance 1 (M1) |
every |
1000 |
1600 |
100 |
|
|
Maintenance 2 (M2) |
every |
4000 |
6400 |
400 |
|
|
Maintenance 3 (M3) |
every |
8000 |
12 800 |
800 |
|
|
Maintenance 4 (M4) |
every |
16,000 |
25 600 |
1600 |
|
|
Maintenance 5 (M5) |
every |
32,000 |
51 200 |
3200 |
|
|
Schedule II (short-haul transport) for vehicles that travel 6,000 miles (10,000 km) or more annually |
Initial Maintenance (IM) |
first |
8000 |
12 000 |
— |
|
Maintenance 1 (M1) |
every |
8000 |
12 000 |
||
|
Maintenance 2 (M2) |
every |
16,000 |
24 000 |
||
|
Maintenance 3 (M3) |
every |
32,000 |
48 000 |
||
|
Maintenance 4 (M4) |
every |
64,000 |
96 000 |
||
|
Maintenance 5 (M5) |
every |
128,000 |
192 000 |
||
|
Schedule III (long-haul transport) for vehicles that travel 60,000 miles (100,000 km) or more annually |
Initial Maintenance (IM) |
first |
25,000 |
40,200 |
— |
|
Maintenance 1 (M1) |
every |
25,000 |
40,200 |
||
|
Maintenance 2 (M2) |
every |
50,000 |
80,400 |
||
|
Maintenance 3 (M3) |
every |
50,000 |
80,400 |
||
|
Maintenance 4 (M4) |
every |
100,000 |
160,800 |
||
|
Maintenance 5 (M5) |
every |
300,000 |
482,400 |
||
- For Schedule I vehicles equipped with an hourmeter, use maintenance intervals based on hours of operation rather than mileage.