Maintenance Interval Schedule - C7 Engines with Deep Sumps that are Used in School Bus Applications
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 all maintenance including the following procedures: 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.
Battery or Battery Cable - Disconnect
Coolant - Change
Coolant Sample (Level 2) - Obtain
Diesel Particulate Filter - Clean
Engine - Clean
Engine Air Cleaner Element (Dual Element) - Inspect/Clean/Replace
Engine Oil Level Gauge - Calibrate
Engine Storage Procedure - Check
Fuel System - Prime
Fuel Tank Water and Sediment - Drain
Engine Air Cleaner Service Indicator - Inspect
Engine Oil Level - Check
Fuel System Water Separator - Check/Drain
Walk-Around Inspection
Battery Electrolyte Level - Check
Belts - Inspect/Adjust/Replace
Coolant Sample (Level 2) - Obtain
Cooling System Supplemental Coolant Additive (SCA) - Test/Add
Engine Crankcase Breather - Clean
Engine Oil Sample - Obtain
Engine Oil and Filter - Change
Fan Drive Bearing - Lubricate
Fuel System Primary Filter (Water Separator) Element - Replace
Fuel System Secondary Filter - Replace
Fuel Tank Water and Sediment - Drain
Grounding Stud - Inspect/Clean/Tighten
Hoses and Clamps - Inspect/Replace
Radiator - Clean
Crankcase Fumes Fitting - Inspect/Clean
Alternator - Inspect
Coolant Temperature Regulator - Replace
Crankshaft Vibration Damper - Inspect
Engine Valve Lash - Check
Starting Motor - Inspect
Water Pump - Inspect
Note: Use whichever of the following that occurs first in order to determine the maintenance intervals: mileage, 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 - ReplaceBattery or Battery Cable - Disconnect
Coolant - Change
Coolant Sample (Level 2) - Obtain
Diesel Particulate Filter - Clean
Engine - Clean
Engine Air Cleaner Element (Dual Element) - Inspect/Clean/Replace
Engine Oil Level Gauge - Calibrate
Engine Storage Procedure - Check
Fuel System - Prime
Fuel Tank Water and Sediment - Drain
Daily
Coolant Level - CheckEngine Air Cleaner Service Indicator - Inspect
Engine Oil Level - Check
Fuel System Water Separator - Check/Drain
Walk-Around Inspection
Initial 24 000 km (15 000 miles) or 5700 L (1500 US gal) of Fuel or 400 Service Hours or 6 Months
Engine Valve Lash - CheckPM Level 1 - Every 24 000 km (15 000 miles) or 5700 L (1500 US gal) of Fuel or 400 Service Hours or 6 Months
Aftercooler Core - Clean/TestBattery Electrolyte Level - Check
Belts - Inspect/Adjust/Replace
Coolant Sample (Level 2) - Obtain
Cooling System Supplemental Coolant Additive (SCA) - Test/Add
Engine Crankcase Breather - Clean
Engine Oil Sample - Obtain
Engine Oil and Filter - Change
Fan Drive Bearing - Lubricate
Fuel System Primary Filter (Water Separator) Element - Replace
Fuel System Secondary Filter - Replace
Fuel Tank Water and Sediment - Drain
Grounding Stud - Inspect/Clean/Tighten
Hoses and Clamps - Inspect/Replace
Radiator - Clean
Every 80 500 km (50 000 miles) or 1500 Service Hours
ARD Nozzle - CleanEvery 144 800 km (90 000 mi) or 1500 Service Hours
ARD Spark Plug - Inspect/ReplaceCrankcase Fumes Fitting - Inspect/Clean
PM Level 2 - Every 161 000 km (100 000 miles) or 56 850 L (15 000 US gal) of Fuel or 2000 Service Hours or 2 Years
Air Compressor - CheckAlternator - Inspect
Coolant Temperature Regulator - Replace
Crankshaft Vibration Damper - Inspect
Engine Valve Lash - Check
Starting Motor - Inspect
Water Pump - Inspect
PM Level 3 - Every 483 000 km (300 000 miles) or 190 000 L (50 000 US gal) of Fuel or 6000 Service Hours or 3 Years
Turbocharger - InspectEvery Year
Engine Air Cleaner Element (Dual Element) - Inspect/Clean/ReplaceEvery 6000 Service Hours or 3 Years
Coolant Extender (ELC) - AddCaterpillar Information System:
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