5.2.15. Removal and installation of a nozzle

  • The fuel system works with high pressures (1350 bars).
  • You do not carry out any works on fuel system at the working engine or within 30 seconds after its stop.
  • Always observe precautionary measures.
  • During the work provide absolute purity.
  • Never remove nozzles.

Removal

 PERFORMANCE ORDER

  1. Disconnect a wire from the negative plug of the rechargeable battery.
  2. Disconnect the electric socket from a nozzle.
  3. Disconnect the pipeline of high pressure from the accumulator of pressure and a nozzle.
  4. Press a clip and, moving back, disconnect the fuel return pipeline.
  5. Attach connection of the pipeline of return of fuel. Never establish it without clip.
  6. Remove a copper sealing ring.

Installation

 PERFORMANCE ORDER

  1. Before installation of a nozzle clear the interfaced surface of a head of cylinders and the surface of consolidation.
  2. Insert a brush.
  3. Clear the surface of consolidation.
  4. Establish a new copper sealing ring. For deduction of a ring on a nozzle it is possible to use a small amount of lubricant.
  5. Establish a nozzle, at the same time do not concern a spray tip, and the sliding clip with a tightening bolt.
  6. Screw tightening a bolt. Inhaling moment: 27±2 N • m.
  7. Install the pipeline of high pressure. Inhaling moment: 18–23 N • m.
  8. At installation of the pipeline of high pressure for an exception of its twisting by a key record a six-sided element of the pipeline.
  9. Attach connection of the pipeline of return of fuel. Never establish it without clip.
  10. Having pulled back, check reliability of fastening of the pipeline of return of fuel.
  11. Connect the electric socket to a nozzle.
  12. Connect a wire to the negative plug of the rechargeable battery.
  13. Start the engine and check lack of leak of fuel.
  14. Check and erase the codes of malfunction of a fuel nozzle which are written down in memory.