M1 Maintenance Operations
Maintenance
Operation No.
Title of Maintenance Operation
83-01 Air Conditioner Inspecting
88-01 Hood Rear Support Lubrication
*
For Detroit axles, complete this procedure once a year or at the following applicable interval, whichever comes
first: every 5000 miles (8000 km) for Schedule I vehicles; every 25,000 miles (40 200 km) for Schedule II vehicles;
or every 100,000 miles (161 000 km) for Schedule III vehicles.
†
Schedule III vehicles only.
‡
If equipped with an oil-coalescing desiccant cartridge, replace the cartridge once a year, regardless of mileage.
Otherwise use the M5 maintenance interval.
§
Complete this procedure every 25,000 miles (40 200 km), 3 months, or 500 operating hours, whichever comes
first.
¶
M1 maintenance interval should be used as a general guideline; the actual frequency of filter element
replacement will vary depending on cleanliness of the fuel station system.
Table 6, M1 Maintenance Operations
General Information00
M1 Maintenance Operations: 00–07
Business Class M2 Plus Maintenance Manual, 02/120/202300/10
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