Attach the ceiling mounting plate

  1. Attach the ceiling mounting plate:
  2. Fasten the thread bars on the rafter frames or other frame structure, and turn the nuts onto the bars.
  3. Lift the ceiling mounting plate in place.
  4. Push a rubber damper and a washer to each thread bar.
  5. Adjust the nuts so that the ceiling mounting plate is level.
  6. Shorten the lower ends of the thread bars so that they are no more than 5 mm below the nuts.