Perkins 403D-11 Troubleshooting
| Engine Model: Perkins 403D-11 |
| Engine Type: 4-cycle vertical 3-cylinder indirect injection liquid-cooled diesel |
| Total Displacement: 69 cu.in (1.13 L) |
| Rated Engine Power: 28.2 Hp (21 kW) at 3400 rpm |
| Aspiration Type: Naturally aspirated |
____________________________________________________________________________________
| Engine starts hard or will not start |
Fuel filter element is dirty - Change filter element.
Air in the fuel pipes - Bleed the fuel pipes.
Clogged or defective injection nozzles - Change fuel injection nozzles.
Fuel injection pump damage - Replace or rebuild injection pump.
Incorrect valve timing - Adjust or change timing gear.
Dirty fuel pipes - Service or replace fuel pipes.
Injection timing is incorrect - Adjust injection timing as required.
Piston rings and cylinder are worn - Replace faulty parts.
| Engine starts but immediately stalls |
Dirty fuel filter - Change filter element.
Fuel injection pump is not working correctly - Change pump or rebuild it.
Dirty air filter - Service air cleaner.
Improper nozzle opening pressure - Adjust as recommended.
| Engine stops running suddenly |
Fuel injection timing is wrong - Check the fuel injection pump timing adjustment.
Dirty fuel filter - Filter maintenance required.
Engine is not warmed up to the required temperature - Engine is not warmed up to the required temperature.
Injection nozzles are jammed or clogged - Change or repair injection nozzles.
Incorrect low idle speed adjustment - Correct the settings.
Valve clearance is not correct - Correct valve clearance needs to be set.
Faulty fuel injection pump - Change pump or rebuild it.
| Engine is not running at maximum power |
Damaged or dirty injection nozzles - Inspect nozzles and replace if necessary.
Fuel hoses or lines are clogged - Clean fuel system hoses and lines.
Intake air restriction - Replace air filter element.
Cylinder head gasket is damaged - Replace cylinder head gasket.
Incorrect injection timing - Set the injection timing correctly.
Fuel injection pump is damaged - Replace or rebuild injection pump.
One of moving engine components is worn - Repair or replace defective parts.
Radiator core is clogged or radiator cap is leaking - Install new cap or clean radiator.
Engine coolant is insufficient - The cooling system needs to be refilled and checked for faults.
Fan belt slipping or worn - Change the fan belt.
Engine oil level is low - Need to add engine oil.
Damaged cylinder-head gasket - Install a new gasket.
Improper injection timing - Use correct injection timing adjustment.
| Oil pressure is insufficient |
Low crankcase oil level - Add oil to the engine crankcase.
Oil pump malfunction - Install a new pump.
Clogged oil filter - Service or replace engine oil filter.
Stuck or worn relief valve - Change or clean relief valve.
Crankshaft bearing clearance is excessive - Inspect and replace or repair faulty parts.
Crankpin bearing clearance is excessive - Inspect and replace or repair faulty components.
| Diesel engine using too much oil |
Oil leaks: Gaskets or seals are excessively worn - Change to repair leaks.
Incorrect oil viscosity - Use correct viscosity oil.
Worn or broken piston rings - Change piston rings.
Worn valve guides and valve stems - Valves replacement required.
Damaged pistons or cylinder liners - Inspect pistons and liners, fit new components as necessary.
Engine is cold - Engine is not warmed up to the required temperature.
Engine oil level is insufficient - Check oil level and add oil as required.
Wrong setting of fuel injection pump timing - Adjust the pump as required.
Pistons are worn or scored - Pistons replacement required.
Connecting rod is misaligned or worn - Connecting rod must be aligned or replaced.
Low battery voltage - Battery is drained, charge it.
Battery drains quickly - Service battery or replace it.
Bad battery terminals or disconnected wiring - Connect cables properly or replace terminals.
| Starter motor is not working |
Battery is discharged or defective - Change or recharge battery.
Wiring is incorrectly connected or disconnected - Inspect wiring and connect correctly.
Low battery power - Battery is drained, charge it.
Starter motor failing - Starter needs to be replaced.
____________________________________________________________________________________
| Industrial Engines Technical Specifications |
| Small Engines Technical Specifications |
| Car Engines Technical Specifications |
| Outboard Engines Technical Specifications |
