Kohler — Install replacement 550 controller
Installation
From a Kohler service manual — check it applies to your exact model before use.
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Procedure
- Place replacement controller on junction box top panel holes
- Align vibromounts with mounting holes and install four screws
- Replace front display lamps with 24-volt lamps (part 283420, bulb 313) if genset has 24-volt electrical system; factory ships with 12-volt lamps (part 255126, bulb 1892)
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.