Doosan DE08TS - Page 89

DE08TS Diesel Engines Maintenance of Major Components87
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