TM 9-4120-370-14
TO35E9-229-1
4-35. Fresh Air Damper - Continued.
(10) Using allen wrench, loosen setscrew in extension rod end.
(11) Pull knob and rod from rear of unit.
(12) Remove two spring washers, two flat washers, and worm gear.
(13) Remove extension rod.
(14) Using screwdriver and wrench, remove four each screws, flat washers, and nuts from bracket
(15) Remove bracket.
b. Disassembly of damper door
(1) Using screwdriver, remove ten screws from cover.