Maintenance Schedules
Schedule
Maintenance Intervals
Maintenance Interval Frequency Mileage km Hours
Schedule I
*
(severe service)
for vehicles that travel up to
6000 miles (9700 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 12 900 800
Maintenance 4 (M4) every 16,000 25 800 1600
Maintenance 5 (M5) every 32,000 51 500 3200
Schedule II
(short-haul transport)
for vehicles that travel up to
60,000 miles (97 000 km)
annually
Initial Maintenance (IM) first 8000 12 900
—
Maintenance 1 (M1) every 8000 12 900
Maintenance 2 (M2) every 16,000 25 800
Maintenance 3 (M3) every 32,000 51 500
Maintenance 4 (M4) every 64,000 103 000
Maintenance 5 (M5) every 128,000 206 000
Schedule III
(long-haul transport)
for vehicles that travel over
60,000 miles (97 000 km)
annually
Initial Maintenance (IM) first 10,000 16 000
—
Maintenance 1 (M1) every 10,000 16 000
Maintenance 2 (M2) every 20,000 32 000
Maintenance 3 (M3) every 40,000 64 000
Maintenance 4 (M4) every 80,000 129 000
Maintenance 5 (M5) every 160,000 257 000
*
For Schedule I vehicles equipped with an hourmeter, use maintenance intervals based on hours of operation rather than mileage.
Table 1, Maintenance Schedules
General Information00
Maintenance Schedules: 00–02
Business Class M2 Plus Maintenance Manual, 02/120/202300/2
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