Maintenance Interval Schedule
Note: Ensure that the Safety Information, warnings, and instructions are read and understood before operation or maintenance procedures are performed.
Battery or Battery Cable - Disconnect
Fuel System - Prime
Severe Service Application - Check
Cooling System Coolant Level - Check
Cooling System Coolant Level - Check
Driven Equipment - Check
Engine Air Cleaner Service Indicator - Inspect
Engine Air Precleaner - Clean
Engine Oil Level - Check
Fuel System Water Separator - Drain
Walk-Around Inspection
PM Level 1 - Every
Air Compressor Filter - Clean/Replace
Alternator - Inspect
Alternator and Fan Belts - Inspect/Adjust/Replace
Battery Electrolyte Level - Check
Cooling System Supplemental Coolant Additive (SCA) - Test/Add
Cylinder Head Grounding Stud - Inspect/Clean/Tighten
Engine Air Cleaner Element (Dual Element) - Clean/Replace
Engine Crankcase Breather - Clean
Engine Oil Sample - Obtain
Engine Oil and Filter - Change
Engine Protective Devices - Check
Fan Drive Bearing - Lubricate
Fuel System Primary Filter - Clean/Replace
Fuel System Secondary Filter - Replace
Fuel Tank Water and Sediment - Drain
Hoses and Clamps - Inspect/Replace
Radiator - Clean
Engine Valve Lash - Inspect/Adjust
Engine Valve Rotators - Inspect
PM Level 2 - Every
Air Compressor - Inspect
Cooling System Coolant (DEAC) - Change
Cooling System Coolant Extender (ELC) - Add
Cooling System Water Temperature Regulator - Replace
Crankshaft Vibration Damper - Inspect
Electronic Unit Injector - Inspect/Adjust
Engine - Clean
Engine Mounts - Inspect
Engine Speed/Timing Sensors - Check/Clean/Calibrate
Engine Valve Lash - Inspect/Adjust
Engine Valve Rotators - Inspect
Starting Motor - Inspect
Turbocharger - Inspect
Water Pump - Inspect
Every
Aftercooler Core - Clean/Test
Overhaul Considerations
Before each consecutive interval is performed, all of the maintenance requirements from the previous interval must also be performed.
When Required
Battery - RecycleBattery or Battery Cable - Disconnect
Fuel System - Prime
Severe Service Application - Check
Daily
Air Tank Moisture and Sediment - DrainCooling System Coolant Level - Check
Cooling System Coolant Level - Check
Driven Equipment - Check
Engine Air Cleaner Service Indicator - Inspect
Engine Air Precleaner - Clean
Engine Oil Level - Check
Fuel System Water Separator - Drain
Walk-Around Inspection
Every 6000 Service Hours or 6 Years
Cooling System Coolant (ELC) - ChangePM Level 1 - Every 9500 L (2500 US gal) of Fuel or 250 Service Hours or 1 Year
Air Compressor Filter - Clean/Replace
Alternator - Inspect
Alternator and Fan Belts - Inspect/Adjust/Replace
Battery Electrolyte Level - Check
Cooling System Supplemental Coolant Additive (SCA) - Test/Add
Cylinder Head Grounding Stud - Inspect/Clean/Tighten
Engine Air Cleaner Element (Dual Element) - Clean/Replace
Engine Crankcase Breather - Clean
Engine Oil Sample - Obtain
Engine Oil and Filter - Change
Engine Protective Devices - Check
Fan Drive Bearing - Lubricate
Fuel System Primary Filter - Clean/Replace
Fuel System Secondary Filter - Replace
Fuel Tank Water and Sediment - Drain
Hoses and Clamps - Inspect/Replace
Radiator - Clean
Between 300 and 1200 Service Hours (or between first and fourth oil change)
Electronic Unit Injector - Inspect/AdjustEngine Valve Lash - Inspect/Adjust
Engine Valve Rotators - Inspect
PM Level 2 - Every 125 000 L (33 000 US gal) of Fuel or 4000 Service Hours or 2 Years
Air Compressor - Inspect
Cooling System Coolant (DEAC) - Change
Cooling System Coolant Extender (ELC) - Add
Cooling System Water Temperature Regulator - Replace
Crankshaft Vibration Damper - Inspect
Electronic Unit Injector - Inspect/Adjust
Engine - Clean
Engine Mounts - Inspect
Engine Speed/Timing Sensors - Check/Clean/Calibrate
Engine Valve Lash - Inspect/Adjust
Engine Valve Rotators - Inspect
Starting Motor - Inspect
Turbocharger - Inspect
Water Pump - Inspect
Every 500 000 L (130 000 US gal) of Fuel or 10 000 Service Hours
Aftercooler Core - Clean/Test
Overhaul Considerations
Caterpillar Information System:
3408E and 3412E Engines for Caterpillar Built Machines Crankshaft - Install
3034 Engine for Caterpillar Built Machines Engine Oil Filter Base - Install
3003, 3013, 3014 and 3024 Engines for Caterpillar Built Machines Exhaust Manifold - Remove and Install
G3508, G3512 and G3516 Engines Cylinder Head - Install
CIPI UNDERCARRIAGE Arrangements: 9Q5221, 9Q5234, 9Q5243, 9Q5245, 9Q5246, 9Q5247, 9Q5385, 9Q5433, 9Q5482, 9Q5622, 9Q5661, 9Q5719, 9Q5720, 9Q5721, 9Q5722, 9Q5830, 9Q5840, 9Q5857, 9Q5874, 9Q5883, 9Q5930 and 9Q5940 Travel Motor
G3500 Engines Cylinder Head - Remove
3003, 3013, 3014 and 3024 Engines for Caterpillar Built Machines Flywheel Housing - Remove and Install
C27 PET GEN SET Electric Power Generation and C27 KNOCKDOWN K Petroleum Power Train Package Engine - Clean
3500B Engines Accessory Drive (Upper Right Hand)
RA1.2, R1.4, R2.0, R2.2, R2.5, R2.7, R3.0, R4.5 and R5.5 Series Reduction Starting Motors Component - Test
3408E and 3412E Engines for Caterpillar Built Machines Crankshaft - Remove
3034 Engine for Caterpillar Built Machines Engine Oil Filter Base - Remove
3054 and 3056 Industrial and Generator Set Engines Water Temperature Regulator Housing
3408E and 3412E Engines for Caterpillar Built Machines Flywheel Housing - Remove and Install
G3500 Engines Exhaust Manifold - Remove - Dry
3406E Generator Set Engines Engine Speed Governing
3034 Engine for Caterpillar Built Machines Water Pump - Remove
3034 Engine for Caterpillar Built Machines Water Pump - Install
CIPI UNDERCARRIAGE Arrangements: 9Q5221, 9Q5234, 9Q5243, 9Q5245, 9Q5246, 9Q5247, 9Q5385, 9Q5433, 9Q5482, 9Q5622, 9Q5661, 9Q5719, 9Q5720, 9Q5721, 9Q5722, 9Q5830, 9Q5840, 9Q5857, 9Q5874, 9Q5883, 9Q5930 and 9Q5940 Travel Counterbalance Valve
3176C Engine Air Starting - If Equipped
120H and 135H Motor Graders Hydraulic and Steering System Accumulator (Steering)
3034 Engine for Caterpillar Built Machines Cylinder Head - Remove
3114, 3116, and 3126 Engines for Caterpillar Built Machines Fuel Shutoff Solenoid - Remove and Install
G3500 Engines Exhaust Manifold - Install - Dry