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Home›Repair guides›Checking and setting the injectors

Kohler — Checking and setting the injectors

For these Kohler models: 25LD330-2, 25LD425-2.

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Procedure

  1. Clean the nozzle holes with 0.25mm gauge steel wire (fig.47).
  2. Place the injector on the test bench (p.n. 00365R0430, fig.48)
  3. Connect the pressure gauge while pressing the lever slowly
  4. Testing fortightness: Operate test bench hand lever until the
  5. Visual check: make sure that the seat of the needle shows no
  6. Smoothness test: the needle, previously immersed in diesel

Tools required

  • stered on the gauge should be 230
  • 1.Clean the nozzle holes with 0.25mm gauge steel wire (fig.47).
  • bypass the pressure gauge and operate the lever rapidly. The
  • Unscrew the ring nut on the injector nozzle using a ring wrench and
  • a special tool as illustrated in figure 49 serving to release the
  • pressure gauge reads 20 Kg/cm² below the opening pressure
  • 3.Connect the pressure gauge while pressing the lever slowly

Specs & torque values

  • 1.Clean the nozzle holes with 0.25mm gauge steel wire (fig.47).

Source: manual:Work Shop Manual GR 25_330_425 matr 1-5302-607.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.