TM 11-6720-239-35
1
31
Cover screws (H63)
Sliding mask interlock (MP107)
2
32
Rangefinder lens
Cover (MP84)
33
Screw (H64)
Spring shim (MP93)
3
34
4
Cover plate (MP86)
Screw (H77)
5
35
Eccentric bushing (H76)
Screw (H88)
6
Eccentric bushing (H78)
Base plate (MP89)
36
7
37
Sliding mask subassembly (A37)
Baseplate slot plug (H90)
8
38
Parallax mask subassembly (A38)
Left hinge pin (H62)
39
9
Objective lens (MP90)
Right hinge pin (H61)
10
40
Spring shims (MP88)
Retaining ring (H81)
41
Beam splitter (H65)
11
Cam (MP103)
Beam splitter (MP89)
42
12
Cam spring (MP104)
13
43
Eyelens (MP87)
Cam guide (MP105)
44
14
Retaining ring (H81)
Spring shim (MP88)
45
15
Magnifying lens (MP91)
Cantilever subassembly (A39)
46
16
Retaining ring (A73)
Spring shim (MP93)
47
Movable image lens spring (MP100)
17
Cover plate (MP94)
48
18
Tube (MP92)
Adjusting screw (H69)
19
49
Movable image aperture plate (MP98)
Spring (MP97)
20
50
Roller
Spring (MP99)
21
51
Screw (H74)
Adjusting screws (H72)
22
Mirror (MP101)
52
Adjustable lens (MP95)
23
53
Mirror spring (MP102)
Lens holder (MP96)
Screw
54
Screws (H74)
24
25
55
Adjusting screw (H69)
Bushing
26
56
Pivot stud
Retaining ring (H81)
27
57
Pivot stud (H80)
Sliding mask lever (MP106)
58
Spring post
Screw (H82)
28
Post
59
29
Sliding mask lever spring (MP108)
60
Finder assembly housing (MP 85)
Retaining ring (H81)
30
Figure 38. Finder assembly, exploded view-Continued.
u. Remove three screws (54) and one adjusting
t. If necessary, carefully remove the epoxy and
loosen the adjusting screws holding the mirror
screw (55).
v. If necessary, drill out the two pivot studs (56
(52) in place. Lift off the mirror and mirror
spring (53).
and 57), spring post (58), and post (59) from the
finder assembly housing (60).
Section Il.
REPAIR, CLEANING, AND LUBRICATION
(3) Give special attention to the contacts in
3-10. Repair and Cleaning
battery compartment. Clean the contacts by wip-
a. Repair. Repair of the camera is limited to
ing them with a cloth dampened in water. Dry the
minor straightening where original strength or
cleaned contacts thoroughly; use a gentle blast of
function of parts is not impaired and to refinish-
compressed air or a clean, soft, lint-free cloth.
ing painted surfaces. Replace any parts that are
worn or damaged to such an extent that they
(4) Clean optical surfaces with lens tissue.
cannot be repaired as indicated above. If there is
(5) Clean rollers thoroughly. Use a clean,
any doubt about the repair, replace the defective
lint-free cloth dampened with water. Dry cleaned
part.
rollers with a clean, dry, lint-free cloth.
b. Cleaning. Clean disassembled camera parts
as follows:
311. Lubrication
(1) To clean metallic surfaces, use a clean,
lint-free cloth dampened with cleaning compound.
The camera requires no special lubrication. If any
Dry the cleaned parts thoroughly. Use another
sliding parts do not move freely, a small amount
clean, lint-free cloth or a gentle blast of com-
of lubricating wax may be used to correct the
pressed air.
problem. Do not use any lubricating compound
(2) Dust the bellows and plastic parts. Use a
that could cause damage to coated optical sur-
brush or a clean, dry, lint-free cloth.
faces, or to the film.
