Western Star 47X 2020, Maintenance Manual

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Service Schedule Maintenance Interval Operation
Maintenance Interval
Frequency Miles km
Schedule I
(Short-Haul Transport)
vehicles that annually travel less than 60,000
miles (100 000 km)
Initial Maintenance (IM) first 10,000 16 000
Maintenance 1 (M1) every 10,000 16 000
Maintenance 2 (M2) every 50,000 80 000
Maintenance 3 (M3) every 150,000 240 000
Schedule II
(Long-Haul Transport)
vehicles that annually travel over 60,000
miles (100 000 km)
Initial Maintenance (IM) first 25,000 40 000
Maintenance 1 (M1) every 25,000 40 000
Maintenance 2 (M2) every 100,000 161 000
Maintenance 3 (M3) every 300,000 483 000
Table 1, Service Schedule
General Information
00
Service Schedule Table: 00–02
47X and 49X Maintenance Manual, October 2020
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