P-8-627-34
T O 35C2-3-442-2
TM 5-6115-457-34
TM-07464A-35
Legend to figure 4-3:
Control bar
12.
Bushing
Cotter pin
13.
1.
Retaining ring (8)
Spring
14.
2.
Nut
15.
Rod
3.
Lock washer
16.
4.
Block
Screw
17.
Nut
5.
Top rail
18.
6.
Lock washer
Bottom rail
19.
7.
Screw
Right angle
20.
Closing spring
8.
21.
Left angle
Spring stud
9.
Bushing
22.
Retaining ring (8)
10.
Vane (16)
23.
Control bar
11.
d. Remove nuts (15), lock washers (16)
d. Inspect bushings for out-of-roundness,
and screws (17). Remove the top rail (18)
cuts, and cracks.
and the bottom rail (19) from the shutter.
Carefully remove right angle (20) and left
e. Inspect channel for distortion and for
angle (21) from vanes (23) and remove
elongated holes.
bushings (22).
f. Inspect vanes for cracks and nicks,
burrs, and grooves on bushing contact
WARNING
surfaces.
Cleaning Solvents are flammable and
moderately toxic to skin, eyes and
4 - 3 1 . REPAIR.
respiratory tract. Eye and skin
protection required. Good general
a . Straighten distorted parts using
ventilation is normally adequate.
suitable tools.
Compressed air used for cleaning and
drying purposes can create airborne
b. Remove nicks or burrs from vane
particles that may enter the eyes.
bushing contact surfaces using a file or
Pressure shall not exceed 30 psig.
stone.
Eye protection is required.
4-29. CLEANING. Clean all parts in an
4-32. REASSEMBLY. Refer to figure 4-3
approved cleaning solvent and dry thoroughly
and reassemble the shutter as follows:
using filtered, low pressure compressed
air and clean, lint-free cloth. If shutter is
a. On a clean, dirt-free work bench
not to be fully disassembled, utilize same
place left angle (21) with vane pivot holes
procedure above.
perpendicular to the work bench,
4-30.
INSPECTION.
b. Place bushings (22) into left angle
(21), Insert vane pivot arm closest to vane
a. Inspect threads for damage.
into bushings (22). Secure with retaining
ring (14); one on the top vane and every
b. Inspect control rod assembly for dis-
fifth vane the reafter.
tortion and missing components.
c. Repeat procedure b. above for the
c. Inspect spring for distortion and
right angle (20).
broken ends.
Change 8
4-7
