The Futaba FUAS3099 servo case set is a replacement outer housing made for Futaba S3103 and S3106 servos, intended to restore mounting geometry if the original case is worn or cracked. It offers a straightforward shell swap so the internal components remain undisturbed.
To fit the case, remove the servo horn and screws, transfer the internal assembly into the new housing, and then refit the horn and mounting screws. Always confirm horn alignment and full travel before completing the installation to ensure correct control throw.
Sold as the case set only and provided without retail packing.
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