B3.9 and B5.9 Series Engines
Section 6 - Injectors and Fuel Lines - Group 06
Install the intermediate plate.
Install the needle valve and nozzle assembly.
Install the nozzle retaining nut.
Assemble the injector and new copper sealing washer.
Use only one copper washer.
Service Tip: A light coat of clean lubricating engine oil
between the washer and injector can help to keep the
washer from falling during installation.