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10.3.5. 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 complete-
ly to achieve effective engine performance.
2) Construction
3) Disassembly
•
Clamp the nozzle assembly and remove the nozzle holder.
•
Remove the nozzle nut and components inside.
4) Inspection
•
Visually inspect the disassembled components for damage.
5) Reassembly
•
After removing carbon deposit, submerge the nozzle in diesel oil and clean it.
•
Replace all the gaskets with new ones.
•
Assemble the parts and tighten them to specified torque.
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