Deutz BF6M2012C Troubleshooting
| Engine Model: Deutz BF6M2012C |
| Engine Type: 4-cycle inline 6-cylinder direct injection liquid-cooled diesel |
| Total Displacement: 376 cu.in (6.06 L) |
| Rated Engine Power: 134-201 Hp (100-150 kW) at 2500 rpm |
| Aspiration Type: Turbocharged |
____________________________________________________________________________________
| Engine hard to start or doesn't start |
Fuel filter element is dirty - Change filter element.
Air in the fuel lines - Bleed the fuel lines.
Defective or clogged injection nozzle - If necessary, replace with a new nozzle.
Faulty fuel injection pump - Rebuild or install a new injection pump.
Valve timing is wrong - Adjust or replace timing gear.
Fuel pipes are plugged - Service or change fuel pipes.
Improper injection timing - Adjust as recommended.
Cylinder or piston rings are worn - Change faulty components.
| Engine starts but stops suddenly |
Fuel filter plugged - Replace filter element.
Fuel injection pump failure - Repair or replace injection pump.
Air filter clogged - Replace air filter element.
Nozzle opening pressure is incorrect - Set up as recommended.
| Engine stops suddenly during operation |
Timing of fuel injection pump is incorrect - Adjust the pump as required.
Fuel filter element is dirty - Filter maintenance required.
Low coolant temperature - Warm up to required temperature.
Stuck or clogged injection nozzle - Clean or change injection nozzles.
| Engine shuts off while idling |
Too low idle RPM - Adjust the low idle speed.
Excessive valve clearance - Correct valve clearance needs to be set.
Fuel injection pump damage - Replace or rebuild injection pump.
| Diesel engine loses power |
Fuel injection nozzles are dirty or defective - If necessary, replace with a new nozzle.
Dirty fuel hoses or lines - Service fuel lines and hoses.
Intake air restriction - Service air cleaner.
Leaking cylinder head gasket - Gasket should be replaced.
Unadjusted injection timing - Adjust injection timing as required.
Fuel injection pump is broken - Repair or install new pump.
One of moving engine components has failed - Repair or replace defective parts.
Defective radiator cap or clogged radiator fins - Install new cap or clean radiator.
Not enough coolant - The cooling system needs to be refilled and checked for faults.
Excessive wear of the fan belt - Install new fan belt.
Insufficient engine oil - Fill up the oil to required level.
Worn cylinder head gasket - Install new cylinder head gasket.
Improper injection timing - Adjust injection timing as required.
| Insufficient oil pressure |
Engine oil insufficient - Fill crankcase to proper oil level.
Defective oil pump - Inspect and change as required.
Dirty oil filter element - Clean or change engine oil filter.
Relief valve is defective or dirty - Change or clean relief valve.
Excessive oil clearance of crankshaft bearing - Check and replace or repair defective parts.
Crankpin bearing clearance is excessive - Check and change or repair defective parts.
| Excessive oil consumption |
Oil leaks: Damaged gaskets or seals - Change worn parts according to specifications.
Oil viscosity is wrong - Use oil of correct viscosity.
Stuck or worn piston rings - Change the piston rings as required.
Valve guides or stems are damaged - Need to replace the valves.
Scuffed pistons or cylinder liners - Inspect pistons and liners, replace as required.
| Abnormal engine knocking or noise |
Engine is not preheated - Engine is not warmed up to the required temperature.
Not enough engine oil - Need to add engine oil.
Fuel injection pump timing is not adjusted - Adjust the pump as required.
Pistons are worn or scored - Have pistons replaced.
Connecting rod is defective or misaligned - Connecting rod needs to be aligned or changed.
Low battery voltage - Battery is drained, charge it.
Battery is not holding charge - Service battery or replace it.
Disconnected battery cables or bad terminals - Check wiring and clean or replace terminals.
Battery is discharged or defective - Need to charge or replace the battery.
Wiring is incorrectly connected or disconnected - Inspect wiring and connect correctly.
Low battery output voltage - Low battery charging, charge as required.
Starter motor is faulty - Starter needs to be changed.
____________________________________________________________________________________
| Industrial Engines Technical Specifications |
| Small Engines Technical Specifications |
| Car Engines Technical Specifications |
| Outboard Engines Technical Specifications |
