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.

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

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

When Required

Battery - Recycle
Battery - Replace
Circuit Breakers - Reset
Coolant - Change
Coolant Extender (ELC) - Add
Enclosure - Inspect
Engine - Clean
Engine Air Cleaner Element (Dual Element) - Inspect/Clean/Replace
Engine Air Cleaner Element (Single Element) - Inspect/Clean/Replace
Fuel System - Prime
Generator - Dry
Generator Set - Test
Generator Winding Insulation - Test

Daily

Belt - Inspect/Adjust/Replace
Coolant Level - Check
Electrical Connections - Check
Engine Air Cleaner Service Indicator - Inspect
Engine Oil Level - Check
Generator Load - Inspect
Walk-Around Inspection

Every Week

Automatic Start/Stop - Inspect
Space Heater - Test
Stator Winding Temperature - Test
Voltage and Frequency - Check

Every 250 Service Hours

Coolant Sample (Level 1) - Obtain

Initial 500 Hours (for New Systems, Refilled Systems, and Converted Systems)

Coolant Sample (Level 2) - Obtain

Every 500 Service Hours or 1 Year

Engine Air Cleaner Element (Single Element) - Inspect/Clean/Replace

Every 2000 Service Hours or 6 Months

Stator Lead - Check

Every Year

Coolant Sample (Level 2) - Obtain
Varistor - Check
Varistor - Inspect

Every 6900L (1820 US gal) of Fuel or 500 Service Hours or 1 Year

Auxiliary Water Pump (Rubber Impeller) - Inspect
Battery Electrolyte Level - Check
Engine Air Cleaner Element (Dual Element) - Inspect/Clean/Replace
Engine Mount - Inspect
Engine Oil Sample - Obtain
Engine Oil and Filters - Change
Fuel System Primary Filter (Water Separator) Element - Replace
Fuel System Secondary Filter - Replace
Fuel Tank Water and Sediment - Drain
Heat Exchanger - Inspect
Hoses and Clamps - Inspect/Replace
Sea Water Strainer - Clean/Inspect

PM Kit	Part Number	Description	Q.ty
Every 500 Service Hours	3E-9848	CAT DEO 15W-40 (20L)	8 L	Order Now
	7W-2326	Oil Filter	1
	287-6052	Fuel Filter	2

Every 14 200L (3750 US gal) of Fuel or 500 Service Hours

Battery Charger - Check

Every 13 800L (3650 US gal) of Fuel or 1000 Service Hours or 1 Year

Engine Valve Lash - Check

Every 27 600L (7290 US gal) of Fuel or 2000 Service Hours or 2 Years

Aftercooler Core - Inspect/Clean/Test
Alternator - Inspect
Coolant Temperature Regulator - Replace
Generator - Inspect
Generator Set Vibration - Test/Record
Rotating Rectifier - Inspect/Test
Starting Motor - Inspect
Turbocharger - Inspect
Water Pump - Inspect

PM Kit	Part Number	Description	Q.ty
Every 2000 Service Hours	254-2268	Regulator Coolant Temperature	1	Order Now
Every 3000 Service Hours	233-5182	Air Filter Element Primary	1	Order Now
	233-5184	Air Filter Element Secondary	1
	269-9117	V-Belt	1
Every 6000 Service Hours	119-5152	ELC Extender (Full 31L)	1	Order Now

Every 110 400L (29 160 US gal) of Fuel or 8000 Service Hours

Engine Crankcase Beather - Replace

PM Kit	Part Number	Description	Q.ty
Every 8000 Service Hours	480-4313 / 229-3555	Breather Filter	1	Order Now

Every 165 600L (43 750 US gal) of Fuel or 12 000 Service Hours

Overhaul Considerations

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

Cat C4.4 Marine Engine Genset (S1M) - Maintenance Interval Schedule

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Cat C4.4 Marine Engine Genset (S1M) - Maintenance Interval Schedule

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