Cummins ISC-315 Troubleshooting
| Engine Model: Cummins ISC-315 |
| Engine Type: 4-cycle 6-cylinder CAPS or common-rail fuel injection liquid-cooled diesel |
| Total Displacement: 505 cu.in (8.3 L) |
| Rated Engine Power: 315 Hp (235 kW) at 2200 rpm |
| Aspiration Type: Turbocharged and aftercooled |
____________________________________________________________________________________
| Engine starts hard or won't start |
Fuel filter element clogging - Install new filter element.
Air in the fuel pipes - Bleed the fuel pipes.
Fuel injection nozzles are faulty or clogged - Clean or replace injection nozzles.
Damaged fuel injection pump - Rebuild or change fuel pump.
Valve timing is incorrect - Set the valve timing correctly.
Fuel pipes are dirty - Clean or replace fuel pipes.
Injection timing is improper - Set the injection timing correctly.
Cylinder or piston rings are worn - Replace defective components.
| Engine starts and then shuts off |
Clogged fuel filter - Change filter element.
Fuel injection pump malfunction - Repair or change injection pump.
Clogged air filter - Install new air filter element.
Incorrect nozzle opening pressure - Adjust as recommended.
| Engine stops running suddenly |
Timing of fuel injection pump is incorrect - Set it up as required.
Fuel filter element clogging - Filter maintenance required.
Engine is cold - Warm up the engine.
Injection nozzles are jammed or clogged - Service or change injection nozzles.
Incorrect low idle speed adjustment - Adjustment required.
Valve out of adjustment - Check and adjust.
Fuel injection pump is defective - Change pump or rebuild it.
Fuel injection nozzles are faulty or clogged - Service or change injection nozzles.
Fuel lines or hoses are clogged - Fuel lines and hoses need to be cleaned.
Dirty air filter element - Change air filter element.
Cylinder-head gasket is leaking - Replace the gasket as required.
Injection timing is incorrect - Set the injection timing correctly.
Fuel injection pump malfunctioning - Replace injection pump or repair it.
One of moving engine components has failed - Repair or replace defective components.
Dirty radiator fins 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.
Fan belt is loose or defective - Change the fan belt.
Engine oil level is low - Check oil level and add oil as required.
Cylinder head gasket is worn - Cylinder-head gasket replacement required.
Injection timing is incorrect - Set up as recommended.
Low crankcase oil level - Need to add oil.
Defective oil pump - Repair or change.
Engine oil filter is plugged - Clean or change engine oil filter.
Relief valve is stuck or worn - Replace or service relief valve.
Crankshaft bearing clearance is excessive - Test and repair or replace worn parts.
Crankpin bearing clearance is excessive - Inspect and replace or repair faulty parts.
| Engine using too much oil |
Oil leaks: Seals or gaskets are wearing excessively - Change worn parts according to specifications.
Incorrect oil viscosity - Fill up with the proper oil viscosity.
Piston rings are defective or worn - Have piston rings replaced.
Valve stems or guides are damaged - Change the valves.
Worn cylinder liners or pistons - Inspect pistons and liners, change as required.
Engine is not fully warmed up - Normalize the temperature by warming up the engine.
Low engine oil level - Add oil to the engine crankcase.
Wrong setting of fuel injection pump timing - Adjust fuel injection pump as required.
Broken or worn pistons - Have pistons replaced.
Misaligned or faulty connecting rod - Alignment procedure or replacement is required.
Battery voltage is low - Battery is drained, charge it.
Battery is draining quickly - Battery needs to be serviced or replaced.
Disconnected wiring or bad battery terminals - Check cables and service or change terminals.
Battery is discharged or defective - Change or recharge battery.
Battery wiring is disconnected or improperly connected - Inspect wiring and connect as required.
Battery voltage is low - Battery needs to be recharged.
Starter motor is damaged - Repair or replace starter.
____________________________________________________________________________________
| Industrial Engines Technical Specifications |
| Small Engines Technical Specifications |
| Car Engines Technical Specifications |
| Outboard Engines Technical Specifications |
