Cummins NTC-290 Troubleshooting
| Engine Model: Cummins NTC-290 |
| Engine Type: 4-stroke in-line 6-cylinder turbocharged liquid-cooled diesel |
| Total Displacement: 855 cu.in (14.0 L) |
| Rated Engine Power: 290 Hp (216 kW) at 2100 rpm |
| Fuel System Type: Pressure-Time fuel system |
____________________________________________________________________________________
| Engine difficult to start or won't start |
Fuel filter plugging - Replace filter element.
There is air in the fuel system - Bleed the system.
Fuel injection nozzles are dirty or defective - Check injection nozzles and replace if required.
Fuel injection pump malfunction - Repair or install a new fuel pump.
Wrong valve timing - Adjust or change timing gear.
Plugged fuel pipes - Service fuel pipes.
Wrong injection timing - Use correct injection timing adjustment.
Worn cylinder or piston rings - Change faulty components.
| Engine starts but then stalls |
Clogged fuel filter - Clean the filter or install new filter element.
Fuel injection pump malfunctioning - Rebuild or install a new injection pump.
Air filter clogged - Service or replace the air filter.
Nozzle opening pressure is incorrect - Adjust as required.
| Engine stalls during operation |
Fuel injection timing is wrong - Use the correct fuel injection pump timing adjustment.
Fuel filter element clogging - Change filter element.
Engine is not preheated - Warm up engine as required.
Stuck or burnt injection nozzle - Repair or replace injection nozzles.
Low idle speed setting is incorrect - Correct the settings.
Valve clearance is wrong - Need to adjust valve clearance.
Fuel injection pump is not working correctly - Change or repair the pump.
Faulty fuel injection nozzles - Check and replace nozzles if required.
Fuel hoses or lines clogging - Clean fuel system hoses and lines.
Air filter plugged - Replace air filter element.
Defective cylinder head gasket - Replace cylinder head gasket.
Injection timing is wrong - Adjust as recommended.
Fuel injection pump malfunctioning - Change or repair the pump.
One of moving engine components has failed - Change or repair damaged parts.
Faulty radiator cap or dirty radiator fins - Clean radiator or replace cap.
Lack of coolant in cooling system - Add coolant fluid and inspect the cooling system for leaks.
Broken or loose fan belt - Belt replacement is recommended.
Engine oil level low - Check and refill engine oil.
Cylinder head gasket is damaged - Install a new gasket.
Injection timing is out of adjustment - Adjust according to specifications.
| Oil pressure is insufficient |
Insufficient engine oil - Check and refill the oil.
Oil pump is defective - Remove and inspect oil pump.
Clogged oil filter - Clean or change engine oil filter.
Stuck or defective relief valve - Replace or service relief valve.
Excessive oil clearance of crankshaft bearing - Inspect and change or repair worn components.
Crankpin bearing clearance is excessive - Inspect and replace or repair faulty parts.
Oil leaking: Seals or gaskets are wearing excessively - Defective components must be replaced.
Wrong oil viscosity - Fill up with the correct oil viscosity.
Stuck or worn piston rings - Replace piston rings.
Valve stems and guides are worn - Install new valves.
Damaged cylinder liners or pistons - Check liners and pistons, replace as required.
Engine is cold - Warm up the engine.
Lack of engine oil - Check and refill engine oil.
Improper fuel injection timing - Set it up as required.
Piston wear or scoring - Have pistons replaced.
Connecting rod failure or misalignment - Align or replace connecting rod.
Low battery output voltage - Low battery charging, charge as required.
Battery will not hold charge - Service charging system or install new battery.
Battery cables are disconnected or terminals are faulty - Connect cables correctly or replace terminals.
Battery is drained or worn - Charge or change the battery.
Battery cables are disconnected or improperly connected - Inspect cables and connect properly.
Low battery output voltage - Battery is drained, recharge it.
Damaged starter motor - Repair or change starter.
____________________________________________________________________________________
| Industrial Engines Technical Specifications |
| Car Engines Technical Specifications |
| Small Engines Technical Specifications |
| Outboard Engines Technical Specifications |
