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DE08TS Diesel Engines Maintenance of Major Components

Fuel Injection Pump

General information of fuel system

The fuel system consists of the fuel tank, injection

pump, injection nozzle, fuel filter, and fuel lines such

as pipes and hoses necessary to connect those com-

ponents.

Injection pump

The components relating to the injection pump should

be serviced at regular intervals as the plunger and

delivery valve may be worn after a given length of time

for use and cause the deterioration of the engine.

Make sure that servicing should be performed at the

professional maintenance shop as authorized by

Bosch or Zexel Company.

For adjustment of fuel injection volume, refer to the

‘Specifications of fuel injection pump’ described on the

following pages.

1. Fuel filter

1a. Water separater

2. Air bleeding screw (for fuel filter)

3. Injection nozzle

4. Overflow tube

5. Fuel pipe (filter injection pump)

6. Overflow valve

7. Fuel injection pipe

8. Fuel pipe (manual pump filter)

9. Fuel tank

10. Fuel return pipe

11. Suction pipe

12. Feed pump

13. Injection pump

Doosan DE08TS User Manual

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