Maintenance schedule

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General Information-

For your convenience, listed below are the section numbers that contain specific instructions for performing the maintenance checks.

Perform maintenance at whichever interval that occurs first. At each scheduled maintenance interval, perform all previous maintenance checks that are due for scheduled maintenance.

Daily or Refueling Section 3
* Air Intake Piping - check
* Fan, Cooling - check
* Air Tank and Reservoirs - drain
* Coolant Level - check
* Fuel-Water Separator - drain
* Lubricating Oil Level - check
* Aftertreatment Exhaust Piping - check

Every 12,000 km [7500 mi], 250 Hours, or 3 Months Section 4
* Air Cleaner Restriction - check
* Charge-Air Piping - check
* Charge-Air Cooler - check

Every 24,000 km [15,000 mi], 500 Hours, or 6 Months Section 5
* Fuel Filter (Spin-on Type) - change1
* Lubricating Oil and Filters - change2
* Engine Coolant Antifreeze - check
* Batteries - check
* Battery Cables and Connections - check

Every 48,000 km [30,000 mi], 1000 Hours, or 1 Year Section 6
* Drive Belt, Cooling Fan- check
* Cooling Fan Belt Tensioner - inspect for reuse
* Air Compressor Discharge Lines - check

Every 96,000 km [60,000 mi], 2000 Hours, or 2 Years Section 7
* Cooling System - flush3
* Vibration Damper, Viscous - check
* Engine Steam Cleaning - clean
* Radiator Hoses - check
* Crankcase Ventilation Filter - inspect for reuse

Every 241,500 km [150,000 mi], 5000 Hours, or 4 Years Section 8
* Overhead Set - adjust

Every 321,500 km [200,000 mi], or 6500 Hours Section 9
* Aftertreatment Diesel Particulate Filter - clean4

NOTE:

1. If the oil drain interval being used is greater than 24,000 km [15,000 mi], as determined by the Oil Drain Intervals section below, the fuel filter change can be extended until the oil drain interval.
2. The oil drain intervals are based on an engine equipped with a 14.2 liter [15 qt] capacity lubricating oil pan and a normal duty cycle. For detailed information on oil drain intervals for a specific application/duty cycle, refer to the Oil Drain Intervals section of this procedure.
3. Extended coolant drain/flush/fill intervals may be followed when certain requirements are met. For information on these requirements, refer to the Coolant Requirements and Maintenance Bulletin 3666132.
4. The aftertreatment diesel particulate filter clean/replace interval is based on the use of lubricating oils that meet the Cummins Engineering Standard (C.E.S.) 20081 oil specification. If a non-low ash lubricating oil meeting the American Petroleum Institute (API) performance classification CI-4/SL and/or C.E.S. 20078 is used, the service intervals for the aftertreatment systems will be reduced to 241,000 km [150,000 mi] or 5000 Hours.

Follow the manufacturer's recommended maintenance procedures for the starter, alternator, generator, batteries, electrical components, exhaust brake, charge air cooler, radiator, air compressor, air cleaner, freon compressor, and fan clutch. Refer to Procedure 203-001 (Component Manufacturers) in Section M.