General Information 00 M3 Maintenance Interval Operations: 00–07 The M3 Maintenance Interval Operations table lists all maintenance operations that are to be performed at the M3 maintenance interval. Maintenance opera- tion numbers are reference numbers used to help you find detailed instructions in this manual on the maintenance operations to be performed. Perform all M1 and M2 maintenance interval operations at the M3 maintenance interval.
Maintenance Operation Number M3 Maintenance Interval Operations for Service Schedules I and II Check 00–05 Perform All M1 Operations 00–06 Perform All M2 Operations 09–01 Air Cleaner Inspection 20–02 Radiator Pressure-Flushing and Coolant Change 25–03 Fluid Change, Hydraulic Clutch Control 25–04 Clutch Replacement, Detroit Automated Transmissions * 26–01 Detroit Automated Transmission Fluid Change and Magnetic Plug Cleaning 26–04 Eaton Fuller Transmission Fluid Change and Magnetic Plug Cleaning 35–01 Axle Lubricant and Filter Change, and Magnetic Strainer Cleaning 42–02 Bendix Air Dryer Desiccant Replacement 42–09 Bendix Foot Control Valve Inspection and Lubrication 42–10 WABCO System Saver Air Dryer Desiccant Cartridge Replacement 46–02 Power Steering Fluid and Filter Change 46–07 Bellows Replacement, Rack and Pinion Steering Gear 47–05 LNG Vacuum Integrity Testing 49–02 CAT CGI Bellows Replacement * Replace the clutch assembly for Detroit automated transmissions at 750,000-mile (1 200 000-km) intervals.
For Schedule II vehicles with Detroit automated transmissions spec’d to haul more than 80,000 lb (36 000 kg), change the transmission fluid at 200,000-mile (322 000-km) intervals. For Eaton Fuller transmissions, fluid change intervals are extended to 500,000 miles (800 000 km) on vehicles filled with synthetic transmission fluid. Table 7, M3 Maintenance Interval Operations for Service Schedules I and II Cascadia Maintenance Manual, August 2015 00/12