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 which includes the following items: performing all adjustments , using proper lubricants, fluids, and filters and replacing old components with new components due to normal wear and aging .

Failure to adhere to proper maintenance intervals and procedures may result in diminished performance of the product and/or accelerated wear of components.

Before each consecutive interval is performed, all maintenance from the previous intervals must be performed.

Use fuel consumption, service hours, or calendar time, WHICH EVER OCCURS FIRST, in order to determine the maintenance intervals. Products that operate in severe operating conditions may require more frequent maintenance.

All of the following will affect the oil change interval: operating conditions , fuel type , oil type and size of the oil sump . Scheduled oil sampling analyzes used oil in order to determine if the oil change interval is suitable for your specific engine.

In the absence of scheduled oil sampling, replace the engine oil and filters according to the following intervals:

If the engine has a standard oil sump, change the oil after every 500 service hours.

If the engine has a deep oil sump, change the oil after every 1000 service hours.

Refer to this Operation and Maintenance Manual , "Engine Oil and Filter - Change" in order to determine the oil change interval that is suitable for your specific engine.

To determine the maintenance intervals for the overhauls, refer to this Operation and Maintenance Manual , "Maintenance Recommendations" .

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

When Required

Battery - Replace
Battery or Battery Cable - Disconnect
Centrifugal Oil Filter - Inspect
Engine Air Cleaner Element (Dual Element) - Clean/Replace
Engine Air Cleaner Element (Single Element) - Clean/Replace
Fuel System - Prime
Fuel System Secondary Filter - Replace
Heat Exchanger - Inspect
Maintenance Recommendations
Sea Water Strainer - Clean/Inspect
Zinc Rods - Inspect/Replace

Daily

Air Starting Motor Lubricator Oil Level - Check
Air Tank Moisture and Sediment - Drain
Cooling System Coolant Level - Check
Driven Equipment - Inspect/Replace/Lubricate
Engine Air Cleaner Service Indicator - Inspect
Engine Oil Filter Differential Pressure - Check
Engine Oil Level - Check
Fuel System Fuel Filter Differential Pressure - Check
Fuel System Primary Filter/Water Separator - Drain
Fuel Tank Water and Sediment - Drain
Instrument Panel - Inspect
Marine Transmission Oil Level - Check
Walk-Around Inspection

Every Week

Battery Charger - Check

Initial 250 Service Hours

Engine Valve Lash - Inspect/Adjust
Fuel Injector - Adjust
Speed Sensor - Clean/Inspect

Every 250 Service Hours

Belts - Inspect/Adjust/Replace
Cooling System Coolant Sample (Level 1) - Obtain
Cooling System Supplemental Coolant Additive (SCA) - Test/Add
Engine Oil Sample - Obtain
Hoses and Clamps - Inspect/Replace

Every 500 Service Hours

Air Shutoff - Test
Engine Oil and Filter - Change

Every 1000 Service Hours

Engine - Clean
Engine Crankcase Breather - Clean
Engine Oil and Filter - Change
Engine Protective Devices - Check
Fuel System Primary Filter/Water Separator - Clean/Replace
Fuel System Secondary Filter - Replace

Every 2000 Service Hours

Air Starting Motor Lubricator Bowl - Clean
Crankshaft Vibration Damper - Inspect
Driven Equipment - Check
Engine Mounts - Check
Turbocharger - Inspect

Every Year

Cooling System Coolant Sample (Level 2) - Obtain

Every 3000 Service Hours or 3 Years

Cooling System Coolant (DEAC) - Change
Cooling System Coolant Extender (ELC) - Add

Every 4000 Service Hours

Auxiliary Water Pump - Inspect
Engine Valve Lash - Inspect/Adjust
Fuel Injector - Adjust

Every 6000 Service Hours

Air Shutoff Damper - Remove/Check
Speed Sensor - Clean/Inspect
Starting Motor - Inspect

Every 6000 Service Hours or 6 Years

Alternator - Inspect
Cooling System Water Temperature Regulator - Replace
Prelube Pump - Inspect
Water Pump - Inspect

Every 8000 Service Hours or 3 Years

Camshaft Roller Followers - Inspect

Every 12 000 Service Hours or 6 Years

Cooling System Coolant (ELC) - Change
Hoses and Clamps - Replace

Overhaul

Aftercooler Core - Inspect/Clean
Overhaul (Major)
Overhaul (Top End)
Overhaul Considerations

PM Kit

PM Kit	Parts Number	Description	Q.ty
Every 1000 Service Hours	1R-0726	Oil filter	4	Order Now
	3E-9848	CAT DEO15W40-20L	42
	1R-0756	Fuel filter	7
Every 3000 Service Hours	119-5152	ELC extender	7	Order Now
	4P-0710	Air filter element	2
	141-7116	Belt-Serpentine	1
Every 6000 Service Hours	593-7750	Regulator engine coolant temp	4	Order Now
	219-3240	Regulator aftercooler coolant temp	2
	7N-4927	Gasket RegulatorHousing	1
	3S-9643	Seal Regulator	6
	365-8396	CAT ELC - Extended Life Coolant	18

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

Cat 3516 Marine Engine (4BW, 2EZ) - Maintenance Interval Schedule

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Cat 3516 Marine Engine (4BW, 2EZ) - Maintenance Interval Schedule

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