C9 Engine Maintenance Interval Schedule Caterpillar

Ensure that all safety information, warnings, and instructions are read and understood before any operation or any maintenance procedures are performed. The user is responsible for the performance of maintenance, including all adjustments, the use of proper lubricants, fluids, filters, and the installation of new components due to normal wear and aging. The performance of this product may be diminished if proper maintenance intervals and procedures are not followed. Components may experience accelerated wear if proper maintenance intervals and procedures are not followed.

Use whichever of the following that occurs first in order to determine the maintenance intervals: fuel consumption , service hours and calendar time . Products that operate in severe operating conditions may require more frequent maintenance.

Before each consecutive interval is performed, all maintenance from the previous intervals must be performed.

When Required

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

Daily

Air Tank Moisture and Sediment - Drain
Coolant Level - Check
Driven Equipment - Check
Engine Air Cleaner Service Indicator - Inspect
Engine Oil Level - Check
Fuel System Primary Filter/Water Separator - Drain
Power Take-Off Clutch - Check
Walk-Around Inspection

Initial 20 to 40 Service Hours

Belts - Inspect/Adjust/Replace

Every 250 Service Hours

Air Shutoff - Test
Belts - Inspect/Adjust/Replace
Coolant Sample (Level 1) - Obtain
Engine Oil and Filter - Change
Grounding Stud - Inspect/Clean/Tighten

Initial 500 Service Hours

Engine Valve Lash - Check

Every Year

Coolant Sample (Level 2) - Obtain

Every 12 000 Service Hours or 6 Years

Coolant (ELC) - Change

PM Level 1 - Every 10 400 L (2750 US gal) of Fuel or 250 Service Hours or 6 Months

Cooling System Supplemental Coolant Additive (SCA) - Test/Add
Engine Crankcase Breather - Clean
Fuel System Primary Filter (Water Separator) Element - Replace
Fuel Tank Water and Sediment - Drain
Hoses and Clamps - Inspect/Replace

Every 19 000 L (5000 US gal) of Fuel or 500 Service Hours

Battery Electrolyte Level - Check
Engine Oil Sample - Obtain
Fuel System Secondary Filter - Replace

PM Level 2 - Every 83 250 L (22 000 US gal) of Fuel or 2000 Service Hours or 1 Year

Engine Valve Lash - Check

Every 114 000 L (30 000 US gal) of Fuel or 5000 Service Hours

Water Pump - Inspect

PM Level 3 - Every 166 500 L (44 000 US gal) of Fuel or 4000 Service Hours or 2 Years

Coolant (DEAC) - Change
Coolant Temperature Regulator - Replace
Crankshaft Vibration Damper - Inspect
Engine - Clean
Engine Mounts - Inspect
Starting Motor - Inspect

Every 208 000 L (55 000 US gal) of Fuel or 5000 Service Hours

Turbocharger - Inspect

Every 340 000 L (90 000 US gal) of Fuel or 10 000 Service Hours

Overhaul Considerations
Speed Sensor - Clean/Inspect