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TM 9-4120-389-14
a.
Removal (damper door)
(1)
Remove screw and locknut that secure the push-pull cable to the damper door.
(2)
Remove two cotter pins from damper door shaft. Set cotter pins aside.
(3)
Push shaft through holes in door bracket and damper door.
(4)
Set two flat washers aside.
(5)
Remove damper door.
(6)
To remove bracket proceed as follows:
WARNINGI
Ensure that unit is stable on blocks to avoid injury.
(a)
Raise the unit and place it on blocks at least four inches high. Be sure that blocks do
not obstruct access to two screws that secure the door bracket to base of casing.
(b)
Remove two screws that secure the door bracket to the casing.
(c)
Remove the door bracket.
4-110
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