Doosan DB33A - Fuel Filter Maintenance; Injection Nozzle Service

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5.2. Fuel Filter
Inspection and repair
Make the necessary adjustments, repairs and part replacements if excessive wear or damage is found
through inspection.
Reassembly
To assemble, follow the disassembly procedures in reverse order.
<Disassembly steps>
1. Plunger
2. Retaining nut
3. Injection nozzle
4. Spacer
5. Spring seat
6. Nozzle spring
7. Adjust shim
8. Nozzle holder body
5.3. Injection Nozzle
Disassembly