Daewoo DE12T - Engine Output Unstable; Engine Idling Unstable

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MAINTENANCE OF MAJOR COMPONENTS
Complaints Possible causes Corrections
6. Engine output unstable supply of fuel insufficient Check feed pump
Air in fuel Bleed
Water in fuel Replace fuel
Operation of plungers unsmooth Disassemble, correct
Movement of control rack Disassemble, correct
sluggish
Nozzles defective Disassemble, correct
Injection starting pressure of Adjust
each barrel incorrect
Automatic timer defective Disassemble, correct
7. Engine does not reach Nozzles not working normally Disassemble, correct
maximum speed
Governor defective Disassemble, correct
8. Engine idling Unstable Movement of control rod Disassemble, correct
sluggish
Operation of plungers unsmooth Disassemble, correct
Control pinions not engaged Disassemble, correct
with control rod correctly
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