OM 617 – Removal and installation of injection nozzles (injectors)

Removal
1. Unscrew injection lines.
2. Pull off fuel hoses for leak oil and closing plugs of 4th or 5th injection nozzle.
3. Unscrew injection nozzles by means of socket. If a threaded ring of prechamber comes loose, retighten all threaded rings (05-1 17).
4. Remove nozzle plates.
5. Complete visual checkup of prechamber. For this purpose, illuminate with a flashlight and check whether ball pin i s in order.

Installation

6. For installation proceed vice versa. Use only resilient nozzle plates from now on. Pay attention
to tightening torques.
Attention!
Resilient nozzle plate may be used only once.