Daewoo D1146 Maintenance Manual page 126

Complaints
6. Engine output unstable
7. Engine does not reach
maximum speed
8. Engine idling Unstable
Possible causes
① supply of fuel insufficient
② Air in fuel
③ Water in fuel
④ Operation of plungers unsmooth Disassemble, correct
⑤ Movement of control rack
sluggish
⑥ Nozzles defective
⑦ Injection starting pressure of
each barrel incorrect
⑧ Automatic timer defective
① Nozzles not working normally
② Governor defective
① Movement of control rod
sluggish
② Operation of plungers unsmooth Disassemble, correct
③ Control pinions not engaged
with control rod correctly
121
D1146/D1146TI/DE08TIS
MAINTENANCE MANUAL
Corrections
Check feed pump
Bleed
Replace fuel
Disassemble, correct
Disassemble, correct
Adjust
Disassemble, correct
Disassemble, correct
Disassemble, correct
Disassemble, correct
Disassemble, correct
Printed in Jan. 2001 PS-MMA0415-E1A