Perkins 1103A-33G Troubleshooting
| Engine Model: Perkins 1103A-33G |
| Engine Type: 4-cycle vertical 3-cylinder direct injection liquid-cooled diesel |
| Total Displacement: 201 cu.in (3.3 L) |
| Rated Engine Power: 45 Hp (33.2 kW) at 2200 rpm |
| Aspiration Type: Naturally aspriated |
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| Engine starts up hard or won't start |
Clogged fuel filter - Service or replace the filter.
Air in fuel system - Bleed fuel system.
Fuel injection nozzles are faulty or clogged - Clean or change injection nozzles.
Fuel injection pump damage - Change pump or rebuild it.
Valve timing is improper - Correct or replace timing gear.
Clogged fuel pipes - Clean or replace fuel pipes.
Incorrect injection timing - Check injection timing adjustment.
Worn cylinder or piston rings - Change faulty components.
| Engine starts but immediately stalls |
Clogged fuel filter - Clean the filter element.
Fuel injection pump malfunctioning - Change pump or rebuild it.
Clogged air filter - Clean or replace the element.
Improper nozzle opening pressure - Adjust as recommended.
| Engine stalls while running |
Timing of fuel injection pump is incorrect - Set the fuel pump timing correctly.
Fuel filter plugging - Service the filter.
Engine not warmed up - Warm up engine as required.
Stuck or clogged injection nozzle - Change or repair injection nozzles.
| Engine stalls at low idle speed |
Incorrect low idle setting - Need to adjust idle speed.
Valve clearance is out of adjustment - Correct valve clearance.
Fuel injection pump is defective - Change or repair the pump.
| Diesel engine loses power |
Defective or clogged injection nozzle - If necessary, replace with a new nozzle.
Restricted fuel hoses or lines - Clean fuel system lines and hoses.
Air filter element clogged - Replace air filter element.
Defective cylinder head gasket - Install a new gasket.
Injection timing is improper - Set the injection timing correctly.
Faulty fuel injection pump - Replace or repair injection pump.
Any of moving engine components is faulty - Replace or repair damaged components.
Radiator core is clogged or radiator cap is leaking - Clean radiator or install new cap.
Low coolant level - Add coolant fluid to cooling system and also check it for leaks.
Damaged or worn fan belt - Belt change is required.
Lack of engine oil - Fill up the oil to required level.
Blown cylinder head gasket - Replace the gasket as required.
Injection timing is out of adjustment - Set the injection timing correctly.
Low oil level - Add oil as required.
Oil pump is worn or damaged - Install a new pump.
Engine oil filter is plugged - Clean or change engine oil filter.
Relief valve is seized or worn - Change or clean relief valve.
Excessive oil clearance of crankshaft bearing - Test and replace or repair worn components.
Excessive crankpin bearing clearance - Inspect and replace or repair faulty components.
| Diesel engine consuming too much oil |
Oil leaks: Gaskets or seals are excessively worn - Replace worn parts to avoid leaks.
Oil viscosity is incorrect - Use correct viscosity oil.
Piston rings are defective or worn - Piston rings need to be replaced.
Worn valve stems and valve guides - Replace defective valves.
Pistons or cylinder liners are damaged - 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 - Checking oil level and add if necessary.
Wrong setting of fuel injection pump timing - Adjust according to specifications.
Worn or scored pistons - Replace the pistons.
Faulty or misaligned connecting rod - Need to align or replace the connecting rod.
| Starter motor cranks slow |
Low battery power - Battery needs to be recharged.
Battery does not hold charge - Service charging system or replace battery.
Disconnected battery cables or bad terminals - Connect wiring correctly or install new terminals.
Battery is discharged or defective - Recharge or change battery.
Battery cables are disconnected or improperly connected - Inspect cables and connect properly.
Low battery power - Charge the battery.
Starter motor is defective - Change or repair starter.
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