3126B Truck Engine Caterpillar

Maintenance Interval Schedule

Usage:

3126 6PZ

Ensure that the Safety Information, warnings, and instructions are read and understood before operation or maintenance procedures are performed.

Before each consecutive interval is performed, all of the maintenance requirements from the previous interval must also be performed.

Note: Some maintenance items are for optional equipment.

When Required

Air Dryer - Check
Battery - Replace
Battery or Battery Cable - Disconnect
Fuel System - Prime
Severe Service Application - Check

Daily

Cooling System Coolant Level - Check
Engine Air Cleaner Service Indicator - Inspect
Engine Oil Level - Check
Fuel System Water Separator - Drain
Walk-Around Inspection

Initial 9660 km (6000 miles) or 3800 L (1000 US gal) of Fuel or 250 Service Hours or 6 Months

Engine Valve Lash - Inspect/Adjust

PM Level 1 - Every 16 000 km (10 000 miles ) or 3800 L (1000 US gal) of Fuel or 250 Service Hours or 6 Months

Aftercooler Core - Clean/Test
Air Compressor Filter - Clean/Replace
Battery Electrolyte Level - Check
Belt - Inspect
Cooling System Supplemental Coolant Additive (SCA) - Test/Add
Cylinder Head Grounding Stud - Inspect/Clean/Tighten
Engine Crankcase Breather - Clean
Engine Oil Sample - Obtain
Engine Oil and Filter - Change
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

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 - Inspect
Alternator - Inspect
Cooling System Water Temperature Regulator - Replace
Crankshaft Vibration Damper - Inspect
Engine - Clean
Engine Air Cleaner Element - Clean/Replace
Engine Mounts - Inspect
Engine Valve Lash - Inspect/Adjust
Starting Motor - Inspect
Turbocharger - Inspect
Water Pump - Inspect

Every 3 Years or 322 000 km (200 000 miles)

Cooling System Coolant (DEAC) - Change

Every 483 000 km (300 000 miles)

Cooling System Coolant Extender (ELC) - Add

Every 6 Years or 966 000 km (600 000 miles)

Cooling System Coolant (ELC) - Change

Every 114 000 L (30 000 US gal) of Fuel

Overhaul Considerations

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