General Information 00 M4 Maintenance Interval Operations Table: 00–10 The M4 Maintenance Interval Operations table lists all maintenance operations that are to be performed at the M4 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 maintenance interval operations in M1, M2, and M3 when performing M4 maintenance interval opera- tions.
M4 Maintenance Interval Operations for Service Schedules I and II Maintenance Operation Number Operation Description Check 00–07 M1 Maintenance Interval Operations Table 00–08 M2 Maintenance Interval Operations Table 00–09 M3 Maintenance Interval Operations Table 20–04 Cooling System Pressure Flush 25–05 Fluid Change, Hydraulic Clutch Control 26–04 ESS Transmission Filter and Boot Inspection 26–05 Transmission Inspection 42–03 Air Dryer Desiccant Replacement 49–02 CAT CGI Bellows Replacement Table 12, M4 Maintenance Interval Operations for Service Schedules I and II Western Star Maintenance Manual, September 2015 00/15