Cummins ISM-410 Troubleshooting
| Engine Model: Cummins ISM-410 |
| Engine Type: 4-cycle inline 6-cylinder HPCR or Celect fuel injection liquid-cooled diesel |
| Total Displacement: 661 cu.in (10.8 L) |
| Rated Engine Power: 410 Hp (306 kW) at 2000 rpm |
| Aspiration Type: Turbocharged |
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| Engine hard to start or will not start |
Fuel filter element is dirty - Install new filter element.
There is air in the fuel system - Bleed the system.
Fuel injection nozzles are dirty or defective - Replace injection nozzles.
Fuel injection pump is not operating properly - Replace or repair injection pump.
Valve timing is wrong - Set the valve timing correctly.
Restricted fuel pipes - Service fuel pipes.
Unadjusted injection timing - Adjust according to specifications.
Worn piston rings and cylinder - Change defective components.
| Engine starts but immediately stalls |
Dirty fuel filter - Clean or replace the filter.
Faulty fuel injection pump - Replace or rebuild injection pump.
Plugged air cleaner - Carry out maintenance on air filter.
Nozzle opening pressure is not adjusted - Adjust as required.
| Diesel shuts off while driving |
Improper setting of fuel injection pump timing - Adjust according to specifications.
Fuel filter plugging - Clean the filter or install new filter element.
Coolant temperature is low - Engine is not warmed up to the required temperature.
Injection nozzles are stuck or clogged - Repair or replace injection nozzles.
| Engine stops while idling |
Incorrectly adjusted low idle speed - Correct low idle settings.
Valve clearance is wrong - Adjustment procedure required.
Fuel injection pump is faulty - Install a new pump or rebuild.
Clogged or defective injection nozzles - Check injection nozzles and replace if required.
Dirty fuel hoses or lines - Service fuel hoses and lines.
Air filter clogged - Service or replace the air filter.
Cylinder head gasket is damaged - Replace cylinder head gasket.
Unadjusted injection timing - Set up as recommended.
Fuel injection pump is defective - Replace or repair injection pump.
Any of moving engine components is faulty - Replace or repair damaged components.
Dirty radiator core or defective radiator cap - Clean radiator or replace cap.
Lack of coolant in cooling system - Add coolant fluid to cooling system and also check it for leaks.
Excessive wear of the fan belt - Belt replacement is recommended.
Low engine oil level - Check and refill engine oil.
Cylinder head gasket defective - Change cylinder head gasket.
Improper injection timing - Check injection timing adjustment.
| Oil pressure is insufficient |
Not enough oil in the engine - Checking oil level and add if necessary.
Oil pump failure - Repair or change.
Dirty oil filter element - Change or clean engine oil filter element.
Stuck or defective relief valve - Replace or service relief valve.
Excessive oil clearance of crankshaft bearing - Inspect and change or repair worn components.
Excessive oil clearance of crankpin bearing - Inspect and replace or repair faulty parts.
| Engine consuming too much oil |
Oil leakage: Gaskets or seals may be damaged - Install new components.
Oil viscosity is incorrect - Use oil of proper viscosity.
Seized or wear piston rings - Change piston rings.
Damaged valve guides or valve stems - Valves need to be changed.
Cylinder liners or pistons are worn - Check liners and pistons, replace as required.
Engine has not warmed up to the recommended temperature - Warm up engine as required.
Engine oil level is insufficient - Fill the crankcase with engine oil.
Incorrect adjustment of fuel injection pump timing - Adjust as recommended.
Worn or scored pistons - Install new pistons.
Connecting rod is worn or misaligned - Align or replace connecting rod.
Low battery voltage - Battery is drained, recharge it.
Battery drains quickly - Service or change the battery.
Faulty battery terminals or disconnected cables - Connect cables properly or replace terminals.
Battery is discharged or defective - Recharge or replace battery.
Disconnected or incorrectly connected wires - Inspect battery wires and connect correctly.
Battery power is low - Recharge the battery.
Starter motor failure - Starter needs to be replaced.
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