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Home›Repair guides›Kohler›Bosch Electronic Governor Stability and Gain Adjustment

Kohler — Bosch Electronic Governor Stability and Gain Adjustment

Adjustments

From a Kohler service manual covering: CSG-649, Cummins 4B, Cummins 6B, Ford CSG-649, Ford LSG-423, Ford LSG-875, LSG-423, lsg-875. Check it applies to your exact model before use.

Applies to: Ford CSG-649, Cummins/Onan LSG-423, Cummins/Onan lsg-875

Procedure

  1. Check that the stability control is in its extreme counterclockwise position.
  2. Start engine. Allow the governor to control the engine. If engine is unstable, turn the gain control counterclockwise until stability is obtained. Adjust speed screw to proper engine speed.
  3. Turn the gain control clockwise until the engine becomes just unstable. Back the gain control slightly counterclockwise until the engine is again stable.
  4. Turn the stability control clockwise until the engine becomes just unstable. Back the stability control slightly counterclockwise until the engine is again stable.

Full service-parts list: Ford CSG-649 →, Cummins/Onan lsg-875 →

Source: Kohler service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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