Facts About Generators
GeneratorsDirectoryCompareRepairEnginesControllersPartsManufacturersGuides
Search models or part #
Home›Repair guides›Injection Nozzle Disassembly and Cleaning

615, 616, 617 — Injection Nozzle Disassembly and Cleaning

For the 615, 616, 617.

Before you start

  • During disassembly make sure that the nozzle body, the nozzle needle and the individual components are not mixed up among each other.
  • Do not clean from outside to guide cleaning cutter or to prevent canting. Do not exert excessive pressure.

Procedure

  1. Clamp injection nozzle holder top (7) with protective jaws into vise in such a manner that the leak oil line connections are not damaged.
  2. Loosen injection nozzle holder bottom (5) with socket wrench insert and screw off.
  3. Remove steel washer (10), compression spring (6), pressure pin (4), nozzle holder element (3) and nozzle body (2) with nozzle needle (1).
  4. Brush off combustion deposits outside on face of nozzle body (2), mainly around nozzle mouth, by means of a brass brush.
  5. Touch up nozzle holder element (3) and nozzle body (2) on face of both sides on a surface plate.
  6. Clean pressure chamber (5) of nozzle body by means of ring groove scraper.
  7. Clean nozzle needle seat in nozzle body with cleaning cutter from inside out.

Tools required

  • vise with protective jaws
  • socket wrench
  • brass brush
  • ring groove scraper
  • cleaning cutter

Source: manual:OM615-616-617.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.