TM 9-4120-370-14
TO 35E9-229-1
6-4. DAMPER PARTS (MODELS F36T-2S AND F36T4-2SB ONLY) - Continued.
Installation
c.
(1) If linkage parts were disassembled, insert rivet through louver blade, washer, damper link, and washer.
(2) Carefully head the rivet. Check that louver blade arm swings freely on rivet pivot point.
(3) Attach remaining louver blade arms.
(4) Place louver blade bearings in holes in scroll.
(5) Insert the tab end of the damper vane through the slot in the lower bearing.
(6) Carefully flex the damper blade enough to insert the prong end through the slot in the upper bearing. Using
a screw driver, spread the prongs to hold damper vane in place.
(7) Check that dampers operate properly.
(8) Install the condenser fan outlet scroll and damper assembly in the housing and secure with 74 rivets (typical
each side).
(9) Using wrenches secure the two damper links to the actuating cylinder with two shoulder bolts and four nuts
(note that two nuts are installed between the damper links and actuating cylinder bracket).
Follow-on procedures:
4. Install actuating cylinder access cover. (See para 420.)
BLIND NUTS AND NUT PLATES
6-5.
To replace blind nuts (rivnuts) use a drill bit slightly smaller than the body of the blind nut.
a.
(1) Carefully drill the old blind nut out.
(2) Install replacement part.
b. To replace nut plates, use a drill bit slightly smaller than the body of the rivets securing the nut plate.
(1) Carefully drill the rivets lose.
(2) Remove the old nut plate.
(3) Install new nut plate with properly sized rivets.
LIFTING RINGS
6-6.
Preliminary procedure:
Removal
a.
(1) Using a drill bit slightly smaller than the rivet diameter, drill out eight blind rivets.
(2) Remove lifting ring.
Installation
b.
(1) Place lifting ring on inside face of side panel and aline holes.
(2) Secure each lifting ring with eight blind rivets