C18 Marine Engine 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.

Note: Use whichever of the following that occurs first in order to determine the maintenance intervals: fuel consumption , service hours and calendar time . Before each consecutive interval is performed, all maintenance from the previous intervals must be performed.

Products that operate in severe operating conditions may require more frequent maintenance.

When Required

Battery or Battery Cable - Disconnect
Engine - Clean
Engine Oil Level Gauge - Calibrate
Engine Storage Procedure - Check
Fuel System - Prime
Heat Exchanger - Inspect
Maintenance Recommendations
Sea Water Strainer - Clean/Inspect
Zinc Rods - Inspect/Replace

Daily

Closed Crankcase Ventilation (CCV) Filter Service Indicator - Inspect
Cooling System Coolant Level - Check
Engine Air Cleaner Service Indicator - Inspect
Engine Oil Level - Check
Walk-Around Inspection

Initial 20 to 40 Service Hours

Belts - Inspect/Adjust/Replace

Every 50 Service Hours or Weekly

Aftercooler Condensate Drain Valve - Inspect/Clean
Sea Water Strainer - Clean/Inspect
Zinc Rods - Inspect/Replace

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

Cooling System Coolant Sample (Level 2) - Obtain

Every 500 Service Hours

Cooling System Coolant Sample (Level 1) - Obtain

Every Year

Cooling System Coolant Sample (Level 2) - Obtain

Every 6000 Service Hours or 3 Years

Cooling System Coolant Extender (ELC) - Add

Every 12 000 Service Hours or 6 Years

Cooling System Coolant (ELC) - Change

First 14 400 L (3750 US gal) of Fuel or 250 Service Hours

Engine Valve Lash - Inspect/Adjust
Fuel Injector - Inspect/Adjust

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

Belts - Inspect/Adjust/Replace
Cooling System Supplemental Coolant Additive (SCA) - Test/Add
Engine - Clean
Engine Air Cleaner Element - Clean/Replace
Engine Oil Sample - Obtain
Engine Oil and Filter - Change
Fuel System Secondary Filter - Replace
Fuel Tank Water and Sediment - Drain
Hoses and Clamps - Inspect/Replace

Every 57 000 L (15 000 US gal) of Fuel or 1000 Service Hours

Aftercooler Core - Clean/Test
Closed Crankcase Ventilation (CCV) Fumes Disposal Filter - Replace
Heat Exchanger - Inspect
Turbocharger - Inspect

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

Auxiliary Water Pump (Bronze Impeller) - Inspect
Cooling System Coolant (DEAC) - Change
Cooling System Water Temperature Regulator - Replace
Crankshaft Vibration Damper - Inspect
Engine Crankcase Breather - Clean
Engine Mounts - Inspect
Engine Speed/Timing Sensor - Clean/Inspect
Engine Valve Lash - Inspect/Adjust
Engine Valve Rotators - Inspect
Fuel Injector - Inspect/Adjust
Starting Motor - Inspect

Every 284 000 L (75 000 US gal) of Fuel or 5000 Service Hours

Alternator - Inspect
Maintenance Recommendations
Overhaul (Top End)
Water Pump - Inspect

Every 570 000 L (150 000 US gal) of Fuel or 10 000 Service Hours

Maintenance Recommendations
Overhaul (Major)