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 maintenance, including all adjustments, the use of proper lubricants, fluids, and filters. The user is also responsible for the replacement of 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.

Use mileage, fuel consumption, service hours, or calendar time, WHICH EVER OCCURS FIRST, to determine the maintenance intervals. Products that operate in severe operating conditions may require more frequent maintenance. Before each consecutive interval is performed, all maintenance from the previous interval must be performed.

Note: The engine oil and filter change interval depend on several factors including oil sump capacity. Refer to the engine oil and filter change section for specific interval information.

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

Daily

Walk-Around Inspection - Inspect engine for leaks and loose connections
Engine Crankcase - Check oil level
Cooling System - Check coolant level
Air Cleaner - Check service indicator/Service air cleaner when needed
Air Starter (If Equipped) - Check lubricator oil level
Clutch (If Equipped) - Check/Adjust/Lubricate
Marine Transmission - Check oil level

Every 3800 L (1000 gal) of Fuel or 50 Hours

Zinc Rods - Inspect/Replace

Every 19 000 L (5000 gal) Of Fuel Or 250 Hours or Yearly

Fuel System - Clean primary fuel filter (if equipped)/Replace final fuel filter
Fuel Tank - Drain water and sediment
Cooling System (Conventional HD Coolant Only) - Test for SCA concentration OR obtain Level I coolant analysis/Add SCA if necessary
Air Cleaner - Clean/Replace air filter elements
Belts - Check/Adjust/Replace
Hoses and Clamps - Inspect/Replace
Batteries - Clean/Check (if required)

PM Kit	Part Number	Description	Q.ty
Every 250 Service Hours	1R-0749	Fuel Filter	3	Order Now
Every 250 Service Hours	217-0616	SCA Coolant	2	Order Now

First 38 000 L (10 000 gal) of Fuel or 500 Hours

Valve Lash - Check/Adjust (at the first oil change interval)

Every 38 000 L (10 000 gal) of Fuel or 500 Hours

Scheduled Oil Sampling (S·O·S) - Obtain Sample and analysis
Engine Crankcase - Replace oil and filter(s)
Crankcase Breathers - Clean

PM Kit	Part Number	Description	Q.ty
Every 500 Service Hours	1R-1808	Oil Filter	2	Order Now
Every 500 Service Hours	3E-9848	CAT DEO15W40 - 20L	8	Order Now

Every 76 000 L (20 000 gal) Of Fuel Or 1000 Hours

Engine Protection Devices - Inspect/Check
Magnetic Pickup - Inspect/Adjust

PM Kit	Part Number	Description	Q.ty
Every 1000 Service Hours	6L-2280	Rod- Zins	1	Order Now

Every 227 500 L (60 000 gal) Of Fuel Or 3000 Hours

Water Temperature Regulators (Thermostats) - Replace
Cooling System (Extended Life Coolant Only) - Add Extender
Cooling System (Conventional HD Coolant Only) - Drain/Clean/Replace coolant
Engine Mounts - Inspect
Crankshaft Vibration Damper - Inspect
Valve Lash, Valve Rotators - Check/Adjust
Fuel Ratio Control, Set Point, and Low Idle - Check/Adjust
PAR Analysis - Obtain

PM Kit	Part Number	Description	Q.ty
Every 3000 Service Hours	9L-6648	Belt	1	Order Now
	6L-4714	Air Filter Element	1
	593-7750	Regulator Water	2
	3S-9643	Seal Regulator	2
	217-0616	SCA Coolant	12

Every 379 000 L (100 000 gal) Of Fuel Or 5000 Hours

Fuel Injection Nozzles - Test/Exchange
Jacket Water Pump - Inspect/Rebuild or Exchange
Raw/Sea Water Pump - Inspect/Rebuild or Exchange
Alternator - Inspect/Rebuild or Exchange
Starting Motor - Inspect/Rebuild or Exchange
Air Compressor (If Equipped) - Inspect/Rebuild or Exchange
Turbocharger - Clean/Inspect/Check

Every 6000 Hours Or Four Years

Cooling System (Extended Life Coolant Only) - Drain/Flush/Replace Coolant

Overhaul

Overhaul Considerations

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

Cat 3412 (60M) - Maintenance Interval Schedule

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Cat 3412 (60M) - Maintenance Interval Schedule

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