TM 11-6720-239-35
20
Slide block assembly (A21)
1 Exit door pivot stud (H34)
21
Rivet (H32)
2 Exit door pivot spring (MP48)
Slide plate (MP54)
22
3 Concealed door 4 exit door assembly (A19)
23
Rivet (H33)
4 Rivet (H31)
24
Exit cover frame assembly (A18)
5 Roll latch (MP43)
25
Rear roller (MP58)
6 Rear door (MP42)
26
Front roller (MP60)
7 Rivet (H32)
27
Roller bushing (MP59)
8 Door hinge (MP45)
28
Spread roller spring (MP61)
9 Rivet (H32)
29
Spread roller rivet (MP57)
10 Door spring (MP50)
30
11 Spring- stop rivet (H35)
Right front roller suport (MP55)
31
12 Roll frame spring (MP51)
Left front roller suport (MP56)
32
13 Screw (H36)
Roller support frame (MP52)
14 Slide block cover (MP66)
33
Rear door spider (MP44)
15 Slide block link (MP67)
34
Latch pin (MP53)
16 Camera body shaft (MP62)
35
Rivet (H30)
36
17 Locating spring (MP63)
Rivet (H31)
37
18 Edge control bar assembly (A16)
Rear cover assy. (A15)
19 Slide block spring (MP64)
38
Rear cover spider (MP41)
Figure 3-7. Rear door and rear cover disassembly-Continued.
h. Remove the adjusting screw (18) and lift off
(3) Successively grasp each spring by its
the spring (19) and the roller (20).
radius. Pull downward, pivoting the spring out of
the roller support frame (32).
i. Remove the three screws (21), and lift lens
o. Remove the two spread roller pivots (29) and
(22) off lens holder (23). Remove the adjusting
lift off the right front roller support (30) and the
screw (24).
left front roller support (31).
j. Remove the E-ring (26) and the sliding mask
p. Lift the roller support frame (32) off of the
lever (27) (with the screw (28), and the sliding
rear door spider assembly (33).
mask lever spring (29), the retaining ring (30),
and the sliding mask interlock (31) attached).
q. Remove the latch pin (34).
k. Remove the retaining ring (30) and lift off
r. If necessary, the rear cover assembly (35
the sliding mask interlock (31).
through 38) can be disassembled by removing the
rivets (35 and 36) and separating the rear cover
l. Carefully remove the epoxy and loosen the
(37) from the rear cover spider (38).
adjusting screws holding the rangefinder lens
(32) in place. Lift out the rangefinder lens and
the two spring shims (33).
3-9 Disassembling the
Finder Assembly
m. Remove the two screws (34), and lift off the
a. Remove the two cover screws (1) from the
two eccentric bushings (35 and 36), the sliding
cover (2), and lift off the cover.
mask subassembly (37), and the parallax mask
subassembly (38).
b. Remove the two screws (3) from the cover
n. If necessary, carefully remove the epoxy and
plate (4), and lift off the cover plate.
loosen the adjusting screws holding the objective
c. Remove the three screws (5) from the base
lens (39 ) in place. Lift out objective lens and two
plate (6), and drop the base plate down.
spring shims (40).
d. Push out the base plate slot plug (7), and the
o. If necessary, carefully remove the epoxy and
two hinge pins (8 and 9).
loosen the adjusting screws holding the beam
splitter (41) in place. Lift out the beam splitter
e. Remove the retaining ring (10), and drop
and the beam splitter spring (42).
down cam (11), cam spring (12), and cam guide
(13).
p. If necessary, carefully remove the epoxy and
loosen the adjusting screws holding the eyelens
f. Remove the retaining ring (14), and drop the
(43) in place. Lift out the eyelens (41) and the
cantilever subassembly (15) and the bushing (25)
spring shim (44).
down.
q. If necessary, carefully remove the epoxy and
g. Remove the retaining ring (16), and lift off
loosen the adjusting screws holding the magnify-
the movable image lens spring (17).
ing lens (45) in place. Lift out the magnifying