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Caterpillar — Testing and Adjusting Section

A Caterpillar service procedure — check it applies to your exact model before use.

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Procedure

  1. 4. Turn the voltage adjustment (1) on the regulator
  2. 1. Adjust the generator frequency for 60 Hz.
  3. 2. Turn the knee frequency adjustment (1) fully

Source: manual:CAT VR6 Service Manual.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.