Fuel circuit diagram

Fuel circuit diagram

1. Injection pump.
2. Fuel delivery line from filter to pump.
3. Excess fuel return line from pump to tank.
4. Air breather line.
5. Fuel tank.
6. Fuel delivery line from tank to filter.
7. Fuel filter.
8. Screw for draining water from fuel filter.
9. Injectors.

NOTE Due to the specific shape of the tank, an air pocket will build up at the bottom fuel is added and prevent the tank being properly filled. Line (4) allows air to flow form the lower part to allow the tank to be completely filled.