Cummins ISM-350 Troubleshooting
| Engine Model: Cummins ISM-350 |
| Engine Type: 4-cycle 6-cylinder CELECT electronic fuel-injection liquid-cooled diesel |
| Total Displacement: 661 cu.in (10.8 L) |
| Rated Engine Power: 350 Hp (261 kW) at 2000 rpm |
| Aspiration Type: Turbocharged |
____________________________________________________________________________________
| Diesel hard to start or doesn't start |
Dirty fuel filter - Install new filter element.
There is air in the fuel system - Bleed the system.
Defective or clogged injection nozzle - Install a new kit of correctly balanced nozzles.
Damaged fuel injection pump - Replace or repair injection pump.
Valve timing is wrong - Set the valve timing correctly.
Fuel pipes are clogged - Clean fuel pipes.
Injection timing is improper - Set the injection timing correctly.
Damaged piston rings and cylinder - Change faulty parts.
| Diesel starts but stalls immediately |
Fuel filter plugged - Install new filter element.
Fuel injection pump failure - Repair or install new pump.
Dirty air cleaner - Replace air filter element.
Improper nozzle opening pressure - Set it correctly.
| Engine stops suddenly during operation |
Improper setting of fuel injection pump timing - Set up as recommended.
Fuel filter plugging - Replace the filter element.
Engine is not fully warmed up - Warm up to required temperature.
Stuck or clogged injection nozzle - Repair or replace injection nozzles.
| Engine stops while idling |
Too low idle RPM - Adjust low idle speed.
The valve clearance is incorrect - Adjust to proper valve clearance.
Fuel injection pump damage - Repair or change injection pump.
Damaged or dirty injection nozzles - Change fuel injection nozzles.
Restricted fuel lines or hoses - Service fuel lines and hoses.
Dirty air cleaner - Replace air filter element.
Cylinder head gasket is blown - Replace cylinder head gasket.
Injection timing is out of adjustment - Set up as recommended.
Fuel injection pump failure - Replace injection pump or repair it.
Any of moving engine components is faulty - Repair or replace defective parts.
Dirty radiator fins or faulty radiator cap - Clean radiator or change cap.
Not enough coolant - Add coolant fluid to cooling system and also check it for leaks.
Loose or damaged fan belt - Change the fan belt.
Engine oil level is insufficient - Add oil to the engine crankcase.
Cylinder head gasket defective - Replace cylinder head gasket.
Injection timing is incorrect - Set the injection timing correctly.
| Insufficient oil pressure |
Engine oil level low - Add oil as required.
Oil pump malfunction - Replace as required.
Oil filter clogged - Service or change engine oil filter element.
Stuck or worn relief valve - Relief valve need to be replaced or cleaned.
Clearance of crankshaft bearing is excessive - Inspect and replace or repair faulty parts.
Clearance of crankpin bearing is excessive - Test and replace or repair worn components.
| Excessive oil consumption |
Oil leakage: Worn seals or gaskets - New components need to be installed.
Incorrect oil viscosity - Use proper viscosity oil.
Stuck or worn piston rings - Piston rings need to be replaced.
Worn valve guides and valve stems - Replace defective valves.
Scored cylinder liners or pistons - Check pistons and liners, replace as required.
Engine has not warmed up to the recommended temperature - Engine is not warmed up to the required temperature.
Engine oil level low - Fill up the engine oil.
Fuel injection pump timing is wrong - Use the correct fuel injection pump timing adjustment.
Pistons are scored or worn - Replace the pistons.
Faulty or misaligned connecting rod - Connecting rod needs to be replaced or aligned.
Low battery output - Battery is drained, charge it.
Battery does not hold charge - Service battery or change it.
Wires are disconnected or battery terminals are corroded - Connect wiring correctly or install new terminals.
Battery is discharged or worn - Recharge or replace battery.
Battery cables are disconnected or incorrectly connected - Check cables and connect as needed.
Low battery output - Charge the battery.
Faulty starter motor - Repair or install a new starter.
____________________________________________________________________________________
| Industrial Engines Technical Specifications |
| Small Engines Technical Specifications |
| Car Engines Technical Specifications |
| Outboard Engines Technical Specifications |
