3. Troubleshooting
103
(I) Uneven quantity of fuel oil injected
(II) Faulty fuel injection valve
No. Cause and effect Countermeasure
1 Air in the fuel injection pump. Bleed air.
2 Faulty operation of plunger. Disassemble and clean.
3 Damaged plunger spring. Replace.
4 Faulty fuel oil ejection valve. Repair or replace.
5 Damaged exhaust union packing. Replace.
6 Loose pinion screw. Tighten firmly.
7 Faulty fuel injection pump tappet. Disassemble and clean and repair replace.
No. Cause and effect Countermeasure
1 Oil leakage in injection system. Check and repair.
2 Damaged valve spring. Replace.
3 Insufficient injection pressure in injection valves. Adjust.
4 Irregular injection timing. Adjust.
5 Sticking of injection valves. Clean.
CYLINDER OUTPUT IS UNEVEN COUNTERMEASURE
(II) Faulty fuel injection valve
(I) Uneven quantity of fuel oil injected
To Next Page
Loading...
