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 - Replace
Battery or Battery Cable - Disconnect
Engine - Clean
Fuel System - Prime
Generator - Dry
Generator Set - Test
Generator Winding Insulation - Test
Rotating Rectifier - Inspect/Test

Daily

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

Every Week

Automatic Start/Stop - Inspect
Standby Generator Set Maintenance Recommendations

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

Cooling System Supplemental Coolant Additive (SCA) - Test/Add

Every 1000 Service Hours

Engine Speed/Timing Sensor - Clean/Inspect

Every 1000 Service Hours or 1 Year

Battery Charger - Check

Every Year

Coolant Sample (Level 2) - Obtain

Every 3000 Service Hours or 3 Years

Engine Protective Devices - Check

Every 6000 Service Hours or 3 Years

Coolant Extender (ELC) - Add

Every 8000 Service Hours

Engine Crankcase Breather - Replace

Every 12 000 Service Hours or 6 Years

Coolant (ELC) - Change

Every 4150 L (1100 US gal) of Fuel or 500 Service Hours or 1 Year

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

Every 5550 L (1470 US gal) of Fuel or 500 Service Hours or 1 Year

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

PM Kit	Parts Number	Description	Q.ty
Every 500 Service Hours	3E-9848	CAT DEO15W40 - 20L	1	Order Now
	7W-2326	Oil Filter	1
	287-6052	Fuel Filter	2

Every 8300 L (2190 US gal) of Fuel or 1000 Service Hours or 1 Year

Belts - Inspect/Adjust/Replace
Engine Valve Lash - Check

Every 11 100 L (2930 US gal) of Fuel or 1000 Service Hours or 1 Year

Engine Valve Lash - Check

Every 16 600 L (4390 US gal) of Fuel or 2000 Service Hours or 2 Years

Alternator - Inspect
Coolant Temperature Regulator - Replace
Generator - Inspect
Generator Set Vibration - Inspect
Rotating Rectifier - Check
Starting Motor - Inspect
Water Pump - Inspect

Every 22 200 L (5860 US gal) of Fuel or 2000 Service Hours or 2 Years

Alternator - Inspect
Coolant Temperature Regulator - Replace
Generator - Inspect
Generator Set Vibration - Inspect
Rotating Rectifier - Check
Starting Motor - Inspect
Turbocharger - Inspect
Water Pump - Inspect

PM Kit	Parts Number	Description	Q.ty
Every 2000 Service Hours	254-2268	Regulator Coolant Temperature	1	Order Now
Every 3000 Service Hours	123-2367	Air Filter Element Primary	1	Order Now
	123-2368	Air Filter Element Secondary	1
	269-9117	V-Belt	1
Every 6000 Service Hours	119-5152	ELC extender (full 31L)	1	Order Now

Every 88 800 L (23 460 US gal) of Fuel or 8000 Service Hours

Engine Crankcase Breather - Replace

Every 99 600 L (26 310 US gal) of Fuel or 12 000 Service Hours

Overhaul Considerations

Every 133 200 L (35 190 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 (L1K) Naturally Aspirated Marine Genset - Maintenance Interval Schedule

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Cat C4.4 (L1K) Naturally Aspirated Marine Genset - Maintenance Interval Schedule

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