Product Manual — Doc. 7750C TST-902 • 79
4. Route the mounting plate though the trim ring and drywall cutout carefully, and then rest
the mounting plate against the interior surface of the drywall.
5. Once the mounting plate is in the correct position, bend the top two flanges of the mud
ring upward (approximately 90 degrees)and the bottom two flanges downward
(approximately 90 degrees) to secure them to the rear of the drywall. Refer to the
following illustration.