Cause Of Trouble, Diagnosis And Troubleshooting - Daewoo DB58 Shop Manual

8. CAUSE OF TROUBLE, DIAGNOSIS AND TROUBLESHOOTING

1) Starting Trouble
Statement
Start Motor
Fuel System
Trouble
(1) Magenetic switch does not operate when turn starter swicth
1. Distribution inferiority, disconnection, connection inferiority,
2. starter switch connection inferiority
3.Coil disconnection of magenetic switch, strain
4. bend of flanger shaft
5. fixed humidity part of flanger.
(2) Magnetic switch operate, but pinion does not clamp with ring gear.
1. Defect of amateur shaft bearing
2. Pinion & ring gear was excessive wore, changed.
3. Shortage of battery
4. Inferiority of Pinion moving
5. Flanger & connector shaft fixed
(3) Pinion clamped with ring gear, but engine does not turn
1. Pinion clutch skip
2. Amateur field coil strain
3. Brush & communicator inferiority
4. Shortage of battery
5. Earth inferiority
(1) Fuel does not feed from feed pump
1. No fuel
2. Clogged fuel tank strainer
3. Clogged fuel tank or air in fuel line
4. Defect of fuel feed pump valve
5. Feed pump piston & push rod fixed
6. Clogged fuel pump strainer
(2) Fuel does not inject from injection pump
1. Clogged fuel filter element
2. Continually opened over flow valve of fuel filter
3. Air in fuel filter or injection pump
4. flanger, delivery valve fixed
(3) Unfitness of fuel injector
1. Injection timing Inferiority
2. Unfitness of fuel timing
3. cam or cam shaft excessive wore
(4) Injection nozzle does not operate
1. Needle valve fixed
2. Leakage between nozzle and needle valve
3. Unfitness of injection pressure
Cause
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Remedy
Trouble of circuit
Correction
Replacement
Replacement
Correction or replacement
Correction or replacement
Correction or replacement
Correction or replacement
Charge or replacement
Wash
Correction or replacement
Replacement
Replacement
Correction or replacement
Charge or replacement
correction
Replenish
Wash
correction
Replacement
Correction or replacement
Wash
Replacement
Replacement
Removal air
Correction or replacement
correction
correction
Replacement
Correction or replacement
Correction or replacement