Perkins 403C-11 Troubleshooting
| Engine Model: Perkins 403C-11 |
| Engine Type: 4-cycle vertical 3-cylinder indirect injection liquid-cooled diesel |
| Total Displacement: 69 cu.in (1.13 L) |
| Rated Engine Power: 26.4 Hp (19.5 kW) at 3000 rpm |
| Aspiration Type: Naturally aspirated |
____________________________________________________________________________________
| Engine starts up hard or won't start |
Fuel filter element is dirty - Replace filter element.
Air trapped in fuel system - Bleed air.
Fuel injection nozzles are damaged or dirty - If necessary, replace with a new nozzle.
Fuel injection pump is defective - Repair or install new pump.
Valve timing is incorrect - Correct or replace timing gear.
Restricted fuel pipes - Service fuel pipes.
Incorrect injection timing - Use correct injection timing adjustment.
Worn cylinder or piston rings - Replace defective components.
Fuel filter element is dirty - Change filter element.
Damaged fuel injection pump - Replace or repair injection pump.
Air filter element clogged - Replace air filter element.
Incorrect nozzle opening pressure - Adjust as required.
| Engine stops running suddenly |
Incorrect adjustment of fuel injection pump timing - Adjust according to specifications.
Fuel filter plugging - Clean or change the filter.
Engine is cold - Normalize the temperature by warming up the engine.
Injection nozzles sticking or clogged - Repair or change injection nozzles.
| Engine stalls at low idle speed |
Incorrectly adjusted low idle speed - Correct low idle settings.
Valve clearance is not correct - Correct valve clearance.
Fuel injection pump is faulty - Replacement or repair required.
| Diesel engine loses power |
Defective or clogged injection nozzle - Inspect nozzles and replace if necessary.
Fuel hoses or lines clogging - Service fuel lines and hoses.
Plugged air cleaner - Replace air filter element.
Cylinder head gasket is defective - Change cylinder head gasket.
Wrong injection timing - Set the injection timing correctly.
Fuel injection pump is broken - Rebuild or change fuel pump.
One of moving engine parts is faulty - Repair or replace defective components.
Radiator core is dirty or radiator cap is damaged - Install new cap or clean radiator.
Lack of engine coolant - Refill to the correct level and inspect system for leaks.
Fan belt is broken or worn - Change the fan belt.
Lack of engine oil - Checking oil level and add if necessary.
Worn cylinder head gasket - Replace cylinder head gasket.
Incorrect injection timing - Adjust as recommended.
Oil level is insufficient - Add oil to the engine crankcase.
Oil pump failure - Repair or replace.
Engine oil filter is plugged - Service or replace engine oil filter.
Relief valve is stuck or worn - Change or service relief valve.
Crankshaft bearing clearance is excessive - Inspect and replace or repair faulty components.
Excessive oil clearance of crankpin bearing - Check and replace or repair defective parts.
| Excessive engine oil consumption |
External oil leaks: Worn gaskets or seals - Install new components.
Incorrect oil viscosity - Use proper viscosity oil.
Damaged or seized piston rings - Have piston rings replaced.
Damaged valve guides or valve stems - Change the valves.
Scored pistons or cylinder liners - Check pistons and liners, change as required.
Engine is cold - Warm up the engine.
Lack of engine oil - Add oil to the engine crankcase.
Incorrect adjustment of fuel injection pump timing - Set it up as required.
Pistons are scored or worn - Replace the pistons.
Connecting rod is not aligned or defective - Need to replace or align the connecting rod.
Low battery output voltage - Battery is drained, charge it.
Battery runs out quickly - Service charging system or change battery.
Terminals are faulty or battery cables are disconnected - Connect wiring correctly or install new terminals.
Battery is drained or worn - Charge or replace the battery.
Wiring is improperly connected or disconnected - Check wiring and connect properly.
Low battery power - Charge the battery.
Defective starter motor - Change or repair starter.
____________________________________________________________________________________
| Industrial Engines Technical Specifications |
| Small Engines Technical Specifications |
| Car Engines Technical Specifications |
| Outboard Engines Technical Specifications |
