Perkins 1104A-44T Troubleshooting
| Engine Model: Perkins 1104A-44T |
| Engine Type: 4-cycle vertical 4-cylinder direct injection liquid-cooled diesel |
| Total Displacement: 268 cu.in (4.4 L) |
| Rated Engine Power: 110 Hp (82 kW) at 2400 rpm |
| Aspiration Type: Turbocharged |
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| Engine starts up hard or won't start |
Fuel filter element clogging - Clean or replace the filter.
Air in fuel system - Bleed fuel system.
Clogged or burnt injection nozzle - Install a new kit of correctly balanced nozzles.
Fuel injection pump is not working correctly - Repair or change injection pump.
Incorrect valve timing - Use correct valve timing adjustment.
Fuel pipes are clogged - Service or change fuel pipes.
Unadjusted injection timing - Check injection timing adjustment.
Cylinder or piston rings are worn - Replace defective parts.
| Diesel starts but immediately stops |
Dirty fuel filter - Replace filter element.
Fuel injection pump malfunction - Replacement or repair required.
Air filter element clogged - Change air filter element.
Unadjusted nozzle opening pressure - Adjust as required.
| Engine stalls after running |
Incorrect adjustment of fuel injection pump timing - Adjust as recommended.
Dirty fuel filter - Replace filter element.
Engine not warmed up - Warm up to required temperature.
Injection nozzles are jammed or clogged - Clean or change injection nozzles.
Improperly adjusted low idle speed - Normalize low idle speed.
Improper valve clearance - Have it adjusted.
Faulty fuel injection pump - Repair or replace injection pump.
| Engine power is insufficient |
Faulty or dirty injection nozzles - Install a new kit of correctly balanced nozzles.
Fuel hoses or lines clogging - Clean fuel system lines and hoses.
Dirty air filter - Clean or replace element.
Cylinder head gasket is blown - Cylinder-head gasket replacement required.
Injection timing is improper - Use correct injection timing adjustment.
Fuel injection pump is faulty - Change pump or rebuild it.
One of moving engine components is worn - Replace or repair damaged components.
Clogged radiator core or leaking radiator cap - Change cap or clean radiator.
Engine has a lack of coolant - Add coolant and check the components of cooling system.
Damaged or worn fan belt - Install new fan belt.
Not enough engine oil - Check oil level and add oil as required.
Cylinder-head gasket is broken - Replace the gasket as required.
Incorrect injection timing - Check injection timing adjustment.
Low crankcase oil level - Add oil to the engine crankcase.
Oil pump failure - Check and replace if necessary.
Oil filter is dirty - Service or replace engine oil filter.
Stuck or worn relief valve - Replace or service relief valve.
Excessive crankshaft bearing clearance - Inspect and replace or repair faulty parts.
Crankpin bearing clearance is excessive - Test and repair or replace worn parts.
| Excessive oil consumption |
Oil leakage: Damaged seals or gaskets - Replace to repair leaks.
Crankcase oil too light - Fill up with the correct oil viscosity.
Piston rings are seized or worn - Change piston rings.
Damaged valve guides or valve stems - Valves need to be changed.
Pistons or cylinder liners are scuffed - Check pistons and liners, install new parts as required.
| Abnormal engine knocking or noise |
Engine not warmed up - Warm up to required temperature.
Not enough engine oil - Fill up the engine oil.
Wrong setting of fuel injection pump timing - Adjust as recommended.
Pistons are worn or broken - Have pistons replaced.
Misaligned or faulty connecting rod - Need to replace or align the connecting rod.
Battery voltage is low - Charge the battery.
Battery won’t hold charge - Service battery or replace it.
Faulty battery terminals or disconnected cables - Check cable connections and change or clean terminals.
Battery is drained or worn - Need to charge or replace the battery.
Battery wires are disconnected or incorrectly connected - Check wires and connect correctly.
Battery power is low - Recharge the battery.
Starter motor is defective - Starter should be replaced.
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