Vehicle Maintenance Schedule Table
Description Maintenance Operation Set
Maintenance Intervals
Frequency Miles km Months
CATEGORY I
(Urban Transport)
vehicles that annually travel up to
20,000 miles (32 000 km)
Initial Maintenance (IM) first 2500 4000 3
Maintenance 1 (M1) every 2500 4000 3
Maintenance 2 (M2) every 10,000 16 000 12
Maintenance 3 (M3) every 30,000 48 000 36
CATEGORY II
(Rural Transport)
vehicles that annually travel over 20,000
miles (32 000 km)
Initial Maintenance (IM) first 5000 8000 3
Maintenance 1 (M1) every 5000 8000 3
Maintenance 2 (M2) every 20,000 32 000 12
Maintenance 3 (M3) every 60,000 96 500 36
General Information00
Vehicle Maintenance Schedule Table: 00–02
School Bus Chassis Maintenance Manual, October 200500/2