Structural Maintenance 12-17
4. Attach the damper door bracket to the damper door. Snug the mounting screws enough to hold the damper door bracket in
place, but do not completely tighten the mounting screws.
5. Position the damper door bracket so the mounting screws are in the middle of the slots in the damper door.
6. Attach the other end of the ball joint link to the damper link with a stainless steel screw, lock washer, and two flat washers.
The flat washers should be placed between the ball joint link and the damper link. Check to make sure that the ball joint link
is approximately vertical (see “Align Ball Joint Vertically” illustration). Add or remove flat washers between the ball joint
link and the damper link to align the ball joint link vertically. The ball joint link must be aligned vertically or it may bind and
interfere with the operation of the damper system.
Align Ball Joint Vertically – SL
1. Damper Door Bracket
2. Ball Joint Link
3. Damper Link
4. Flat Washers
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