General Information 00 Determining Scheduled Maintenance Intervals: 00–01 Types of Service Service Schedule Service Conditions Vehicles that annually travel over 60,000 miles (100 000 km) and meet the following qualifications: Meritor 15-1/2 inch dampened/ceramic Lite Pedal LTD clutch with sealed release bearing. Synthetic transmission fluid used in transmission. Meritor FF–961 or FF–981 front axle (12,000 lb. capacity) with synthetic lubricant. Front suspension with maintenance-free rubber bushings for 12,000 lb. capacity suspen- sion. Schedule IV (Long-Haul Transport for Optimized Vehicle Configuration) Meritor RPL series, or Dana Spicer SPL series driveline U-joints.
Synthetic lubricant used in rear axle. Equipped with any Freightliner AirLiner suspension. Equipped with Meritor Q-Plus extended-lube cam brakes and automatic slack adjusters, front and rear. Standard brake system package including Bendix AD-9 air dryer with heater, and a Bendix air compressor. TRW TAS65 power steering. * For Schedule I (severe service) vehicles equipped with an hourmeter, use maintenance intervals based on hours of operation rather than distance traveled.
Use Schedule I (severe service) maintenance intervals for vehicles that operate under severe conditions, such as extremely poor roads, heavy dust accumu- lation, extreme climate, frequent short distance travel, construction-site operation, city operation (garbage truck), or farm operation.
Table 1, Types of Service Service Schedule Service Schedule Maintenance Interval Operation Maintenance Interval Frequency Miles km Hours Initial Maintenance (IM) first 1000 1600 50 Schedule I (Severe Service) Maintenance 1 (M1) every 1000 1600 50 Maintenance 2 (M2) every 5000 8000 500 Maintenance 3 (M3) every 15,000 24 000 1500 Initial Maintenance (IM) first 10,000 16 000 Schedule II (Short-Haul Transport) 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 III (Long-Haul Transport) and Schedule IV (Long-Haul Transport for Optimized Vehicle Configuration) 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 2, Service Schedule 122SD and Coronado 132 Maintenance Manual, February 2016 00/2