G3408C and G3412C Engines 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

Batteries - Replace
Engine Air Cleaner Element - Replace
Overhaul Considerations
Valve Stem Projection - Measure/Record

Daily

Air Tank Moisture and Sediment - Drain
Control Panel - Inspect
Driven Equipment - Inspect/Replace/Lubricate
Engine Air Cleaner Service Indicator - Inspect
Engine Air Precleaner - Clean
Engine Oil Level - Check
Fuel System Fuel Filter Differential Pressure - Check
Instrument Panel - Inspect
Power Take-Off Clutch - Check/Adjust/Lubricate
Walk-Around Inspection

Every 250 Service Hours

Belts - Inspect/Adjust/Replace
Engine Oil Sample - Obtain

Every 750 Service Hours

Battery Electrolyte Level - Check
Belts - Inspect/Adjust/Replace
Cooling System Coolant Sample (Level 1) - Obtain
Cooling System Supplemental Coolant Additive (SCA) - Test/Add
Crankshaft Vibration Damper - Inspect
Engine - Clean
Engine Oil and Filter - Change
Engine Valve Lash - Inspect/Adjust
Engine Valve Rotators - Inspect
Exhaust Piping - Inspect
Gas Pressure Regulator - Check
Hoses and Clamps - Inspect/Replace
Ignition System Spark Plugs - Inspect/Replace
Ignition System Timing - Check/Adjust
Radiator - Clean

Initial 750 Service Hours

Valve Stem Projection - Measure/Record

Every 1500 Service Hours

Actuator Control Linkage - Lubricate
Carburetor Air/Fuel Ratio - Check/Adjust
Crankcase Blowby - Measure/Record
Cylinder Pressure - Measure/Record
Engine Crankcase Breather - Clean
Engine Protective Devices - Check
Engine Speed/Timing Sensor - Clean/Inspect
Speed Sensor - Clean/Inspect

Every 3000 Service Hours

Cooling System Coolant Sample (Level 2) - Obtain
Driven Equipment - Check
Ignition System Transformer Resistance - Test
Inlet Air System - Inspect
Starting Motor - Inspect
Water Pump - Inspect

Every 3 Years

Batteries - Replace
Exhaust Bypass - Inspect

Every 4000 Service Hours

Alternator - Inspect

Every 8000 Service Hours

Turbocharger - Inspect

Between 9000 and 12 000 Service Hours

Overhaul (Top End)

Between 18 000 and 24 000 Service Hours

Overhaul (Major)

Every 24 000 Service Hours or 3 Years

Cooling System Coolant (DEAC) - Change