Note: For all generator maintenance activities, refer to SEBU6918, SR4B Generators and Control Panels.

Use fuel consumption, service hours, or calendar time, whichever occurs first, to determine maintenance intervals. Experience has shown that maintenance intervals are most accurately scheduled on the basis of fuel consumed rather than service hours.

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 Lubricator (If Equipped) -Check fluid level/Adjust oiler feed
Air Tank (If Equipped) -Drain water/Check pressure

Every 1,900 L (500 gal) of Fuel or 50 Hours

Air Cleaner -Clean Precleaner (If Equipped)
Zinc Rods-Inspect/Replace

First 9500 L (2500 gal) of Fuel or 250 Hours (First Oil Change)

Valve Lash -Check/Adjust
Magnetic Pickup -Inspect/Adjust

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

Scheduled Oil Sampling (S·O·S) -Obtain Sample and analysis
Engine Crankcase -Replace oil and filter(s)
Crankcase Breather -Clean
Cooling System (Conventional Coolant/Antifreeze Only)-Test for SCA concentration OR obtain Level I coolant analysis/Add SCA if necessary
Fuel System -Clean primary fuel filter (if equipped)/Replace final fuel filter
Radiator -Clean/Inspect
Belts -Check/Adjust/Replace
Hoses -Inspect/Replace
Fan Drive Bearing -Lubricate
Batteries -Clean/Check (if required)

Every 28,500 L (10,000 gal) of Fuel or 1000 Hours

Engine Protection Devices -Inspect/Check
Fuel Control Linkage -Check/Lubricate

Every 114,000 L (30,000 gal) of Fuel or 3000 Hours or Two Years

Water Temperature Regulator (Thermostat) -Replace
Cooling System (ELC) -Add Extender
Cooling System (SCA) -Drain/Clean/Replace coolant
Turbocharger -Clean/Inspect/Check
Engine Mounts -Inspect
Crankshaft Vibration Damper -Inspect
Valve Lash, Valve Rotators -Check/Adjust

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

Fuel Injection Nozzles -Test/Exchange
Jacket Water Pump -Inspect/Rebuild or Exchange
Turbocharger -Inspect/Rebuild or Exchange
Alternator -Inspect/Rebuild or Exchange
Starting Motor -Inspect/Rebuild or Exchange
Magnetic Pickup -Inspect/Adjust

Every 228,000 L (60,000 gal) of Fuel or 6000 Hours or Four Years

Cooling System (ELC) -Drain/Flush/Replace Coolant

Overhaul

Cylinder Head Assembly,Cylinder Packs, Cylinder Liners, Connecting Rods, Pistons, Turbocharger, Oil Pump, Spacer Plates, Fuel Ratio Control, Cam Followers, Fuel Transfer Pump, and Timing Advance -Inspect/Rebuild or Exchange
Piston Rings, Valve Rotators, Main Bearings, Rod Bearings, Crankshaft Bearings, and Crankshaft Seals -Install new
Crankshaft, Camshaft, Camshaft Followers and Bearings, Crankshaft Vibration Damper, Governor, Fuel Pump Camshaft, Fuel Racks, Gear Train Gears and Bushings, and Driven Unit Alignment -Inspect/Replace
Oil Cooler and Aftercooler Core -Clean/Test
Coolant Analysis -Obtain

1SS1-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 full	2
	1R-0749	Fuel filter	2
	217-0616	SCA coolant	2
Every 1000 Service Hours	4N-7808	Filter soot	1	Order Now
Every 3000 Service Hours	248-5513	Regulator water	2	Order Now
	4N-3858	Gasket Regulator	1
	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 (1SS) - Maintenance Interval Schedule

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Cat 3406C Marine Engine (1SS) - Maintenance Interval Schedule

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