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.

Note: Use whichever of the following that occurs first in order to determine the maintenance intervals: 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.

Contact Phu Thai Cat at Hotline 1800 599 990 for 24/7 product support services!

When Required

Battery - Replace
Battery or Battery Cable - Disconnect
Coolant - Change
Coolant Extender (ELC) - Add
Engine - Clean
Engine Air Cleaner Element (Dual Element) - Inspect/Clean/Replace
Engine Air Cleaner Element (Single Element) - Inspect/Clean/Replace
Fuel System - Prime

Daily

Air Starting Motor Lubricator Oil Level - Check
Air Tank Moisture and Sediment - Drain
Coolant Level - Check
Driven Equipment - Check
Engine Air Cleaner Service Indicator - Inspect
Engine Oil Level - Check
Power Take-Off Clutch - Check
Walk-Around Inspection

Every Week

Battery Charger - Check

Every 1000 Service Hours

Engine Protective Devices - Check
Fuel Control Linkage - Check/Lubricate

Every 9500 L (2500 US gal) of Fuel or 250 Service Hours or Yearly

Aftercooler Core - Clean/Test
Battery Electrolyte Level - Check
Belts - Inspect/Adjust/Replace
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 - Clean/Inspect/Replace
Fuel System Secondary Filter - Replace
Fuel Tank Water and Sediment - Drain
Hoses and Clamps - Inspect/Replace
Radiator - Clean

Every 114 000 L (30 000 US gal) of Fuel or 3000 Service Hours or 2 Years

Air Compressor - Check
Coolant Temperature Regulator - Replace
Crankshaft Vibration Damper - Inspect
Engine Mounts - Inspect
Engine Valve Lash - Check
Engine Valve Rotators - Inspect
Turbocharger - Inspect

Every 190 000 L (50 000 US gal) of Fuel or 5000 Service Hours

Alternator - Inspect
Starting Motor - Inspect
Water Pump - Inspect

Every 380 000 L (100 000 US gal) of Fuel or 10 000 Service Hours

Overhaul Considerations

3ER1-UP, 4GW1-UP, 5H91-UP

PM Kit

PM Kit	Parts Number	Description	Q.ty
Every 250 Service Hours	1R-0716	Oil filter	1	Order Now
	3E-9848	CAT DEO15W40-20L	3
	1R-0749	Fuel filter	1
	217-0616	SCA coolant	2
Every 1000 Service Hours	4N-7808	Filter soot	1	Order Now
Every 3000 Service Hours	248-5513	Regulator water	1	Order Now
	3S-9643	Seal Regulator	2
	4N-0015	Air filter element	1
	217-0617	SCA coolant	5

Contact Phu Thai Cat at Hotline 1800 599 990 for 24/7 product support services!

Cat 3406C Marine Engine (3ER) - Maintenance Interval Schedule

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Cat 3406C Marine Engine (3ER) - Maintenance Interval Schedule

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