Daewoo DE12 - Page 110

2) 1-spring type
(1) Disassembly
1. Cap nut
2. Adjusting screw
3. Spring
4. Push rod
5. Connector
6. Retaining nut
7. Needle valve
8. Nozzle
9. Nozzle holder
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4.3.4. Injection nozzle
1) General descriptions
Pressurized fuel delivered from the fuel injection pump is sprayed into the combustion cham-
ber past the injection nozzle at proper spray pressure and spray angle, then burnt completely
to achieve effective engine performance.
(1) At valve closed (2) At valve opened
EQM4024I
EQM4025S
<Figure 4-18> Spray patterns
1
2
3
5
9
7
8
6
4
<Figure 4-19> Exploded view of 1-spring