General Information 00 M1 Maintenance Interval Operations: 00–04 Maintenance Operation Number M1 Maintenance Interval Operations for Service Schedule IV Schedule IV:
every 25,000 miles (40 000 km) Check 13–01 Air Compressor Inspection 31–01 Fifth Wheel Inspection 31–02 Fifth Wheel Lubrication 31–04 Trailer Electrical Connector Lubrication 31–05 Premier 690 Coupling Inspection 40–02 Tire Check 42–02 Bendix Air Dryer Desiccant Replacement (with an oil-coalescing desiccant cartridge) * 42–05 Brake Inspection 42–06 Meritor Camshaft Bracket Lubrication 42–11 WABCO System Saver Air Dryer Desiccant Cartridge Replacement * 42–12 Versajust Slack Adjuster Inspection and Lubrication 49–01 Exhaust System Inspection (noise emission control) 60–02 Aerodynamic Component Inspection 72–01 Door Seal and Door Latch Lubrication 88–01 Hood Rear Support Lubrication * If equipped with an oil-coalescing desiccant cartridge, replace the cartridge once a year, regardless of mileage.
Otherwise use the M3 maintenance interval. Complete this procedure every 25,000 miles (40 225 km), 3 months, or 500 operating hours, whichever comes first. Table 7, M1 Maintenance Interval Operations for Service Schedule IV 122SD and Coronado 132 Maintenance Manual, February 2016 00/10