Order of execution
1. Reduce pressure in the supply system (cm. clause 3 of subsection 6.2.2).
2. Remove nozzle holder.
3. Pull up the injector with the sealing ring by the nut securing the fuel drive to it.
4. Unscrew the fuel line fastening nut, holding the injector by the hexagon wrench, and disconnect the fuel line from the injector.
5. Remove the other injectors in the same way.
6. Install the fuel injectors in reverse order, replacing the injector O-rings.
Visitor comments