Lubrication and Maintenance Service Interval Chart

	Lubrication and Maintenance Service Intervals
Item	Daily1	500 Hour/ 12 Month	1500 Hour	2000 Hour/ 24 Month	3000 Hour	4500 Hour	As Required
Check Engine Oil and Coolant Level	•
Check Fuel Filter/Water Bowl	•
Check Air Cleaner Dust Unloader Valve & Restriction Indicator Gauge 2	•
Visual Walk Around Inspection	•
Service Fire Extinguisher		•
Check Engine Mounts		•
Service Battery		•
Check Manual Belt Tensioner and Belt Wear		•
Change Engine Oil And Replace Oil Filter 34		•
Check Crankcase Vent System		•
Check Air Intake Hoses, Connections, & System		•
Replace Fuel Filter Elements		•
Check Automatic Belt Tensioner and Belt Wear		•
Check Engine Electrical Ground Connection		•
Coolant Solution Analysis-Add SCAs as required		•
Pressure Test Cooling System		•
Check Engine Speeds		•
Check Cooling System		•
Test Thermostats				•
Adjust Variable Speed (Droop) (Genset Only)				•
Checking Crankshaft Vibration Damper (6.8 L Engines) 5			•		•
Flush and Refill Cooling System 6				•
Check and Adjust Engine Valve Clearance				•
Replace Elastomeric Crankshaft Vibration Damper (If Equipped)						•
Add Coolant							•
Replace Air Cleaner Elements							•
Replace Fan and Alternator Belts							•
Check Fuses							•
Check Air Compressor (If Equipped)							•
Bleed Fuel System							•