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.

Every Week

Air Tank Moisture and Sediment - Drain
Automatic Start/Stop - Inspect
Battery Charger - Check
Battery Electrolyte Level - Check
Control Panel - Inspect
Engine Air Cleaner Service Indicator - Inspect
Engine Air Precleaner - Clean
Engine Oil Level - Check
Fuel System Fuel Filter Differential Pressure - Check
Instrument Panel - Inspect
Jacket Water Heater - Check
Standby Generator Set Maintenance Recommendations
Walk-Around Inspection

Every 250 Service Hours or 1 Year

Engine Oil and Filter - Change

Every Year

Actuator Control Linkage - Lubricate
Alternator - Inspect
Belts - Inspect/Adjust/Replace
Carburetor Air/Fuel Ratio - Check/Adjust
Cooling System Coolant Sample (Level 1) - Obtain
Cooling System Coolant Sample (Level 2) - Obtain
Cooling System Supplemental Coolant Additive (SCA) - Test/Add
Crankcase Blowby - Measure/Record
Crankshaft Vibration Damper - Inspect
Cylinder Pressure - Measure/Record
Engine - Clean
Engine Air Cleaner Element - Replace
Engine Crankcase Breather - Clean
Engine Oil Sample - Obtain
Engine Performance - Test
Engine Protective Devices - Check
Engine Speed/Timing Sensor - Clean/Inspect
Engine Valve Lash - Inspect/Adjust
Engine Valve Rotators - Inspect
Gas Pressure Regulator - Check
Hoses and Clamps - Inspect/Replace
Ignition System Spark Plugs - Inspect/Replace
Ignition System Timing - Check/Adjust
Inlet Air System - Inspect
Radiator - Clean
Speed Sensor - Clean/Inspect
Starting Motor - Inspect
Turbocharger - Inspect
Water Pump - Inspect

Every 3 Years

Batteries - Replace
Cooling System Coolant (DEAC) - Change
Exhaust Bypass - Inspect
Exhaust Piping - Inspect
Governor - Inspect
Hoses and Clamps - Replace
Ignition System Transformer Resistance - Test
Water Temperature Regulator - Replace