C15 Petroleum Engine Maintenance Interval Schedule Caterpillar

When Required

Battery - Replace
Battery or Battery Cable - Disconnect
Coolant Extender (ELC) - Add
Engine Air Cleaner Element (Dual Element) - Inspect/Clean/Replace
Engine Storage Procedure - Check
Fuel System - Prime

Daily

Coolant Level - Check
Engine Air Cleaner Service Indicator - Inspect
Engine Air Precleaner - Check/Clean
Engine Oil Level - Check
Fuel System Primary Filter/Water Separator - Drain
Fuel Tank Water and Sediment - Drain
Walk-Around Inspection

Initial 250 Service Hours

Engine Valve Lash - Check

Every 250 Service Hours

Air Shutoff - Test
Coolant Sample (Level 1) - Obtain
Cooling System Supplemental Coolant Additive (SCA) - Test/Add
Engine Oil and Filter - Change
Grounding Stud - Inspect/Clean/Tighten
Starting Motor - Inspect

Initial 500 Hours (for New Systems, Refilled Systems, and Converted Systems)

Coolant Sample (Level 2) - Obtain

Every 500 Service Hours

Belts - Inspect/Adjust/Replace
Turbocharger - Inspect
Water Pump - Inspect

Every Year

Coolant Sample (Level 2) - Obtain
Engine Valve Lash - Check

Every 3000 Service Hours or 3 Years

Coolant (DEAC) - Change
Electronic Unit Injector - Check/Replace
Engine Protective Devices - Check
Engine Speed/Timing Sensor - Clean/Inspect

Every 6000 Service Hours or 6 Years

Coolant Temperature Regulator - Replace

Every 8000 Service Hours or 3 Years

Driven Equipment - Check

Every 12 000 Service Hours or 6 Years

Coolant (ELC) - Change

Every 14 400 L (3750 US gal) of Fuel or 250 Service Hours or 1 Year

Engine Crankcase Breather - Clean
Engine Oil Sample - Obtain
Fuel System Primary Filter (Water Separator) Element - Replace
Fuel System Secondary Filter - Replace
Hoses and Clamps - Inspect/Replace
Radiator - Clean

Every 114 000 L (30 000 US gal) of Fuel or 1500 Service Hours

Aftercooler Core - Clean/Test
Battery Electrolyte Level - Check

Every 170 400 L (45 000 US gal) of Fuel or 3000 Service Hours

Crankshaft Vibration Damper - Inspect
Engine - Clean
Engine Mounts - Inspect
Engine Valve Rotators - Inspect
Fan Drive Bearing - Lubricate

Every 380 000 L (100 000 US gal) of Fuel or 10 000 Service Hours

Overhaul Considerations

Overhaul

Fan Drive Bearing - Replace