Doosan DE12T - Page 145

10.3.5. Injection nozzle
1) General descriptions
Pressurized fuel delivered from the fuel injection pump is sprayed into the combustion
chamber past the injection nozzle at proper spray pressure and spray angle, then burnt
completely to achieve effective engine performance.
2) 1-spring type
(1) Disassembly
1. Cap nut
2. Adjusting screw
3. Spring
4. Push rod
5. Connector
6. Retaining nut
7. Needing valve
8. Nozzle
9. Nozzle holder
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(1) At valve closed (2) At valve opened
EQM4024I