TM 11-6720-239-35
and actuating arm should be to the left.
c. Secure shutter mount (41) to right end of
Two rivet holes should be visible through
shutter rear casting assembly (4) with the shut-
ter mount screw (40).
the elongated slot.
p. Using the universal riveter tool, secure the
d. Install the rear positive lens (39) and rear
plastic cell wedge (25) and the flash filter actua-
lens retainer (38) in opening provided in shutter
tor assembly (26) to the shutter front casting
rear casting assembly (3).
assembly (3) with the two rivets (23). Rivets
e. Using rear lens remover tool, lock lens (39)
should not impede the sliding plastic cell wedge
in position by turning retainer (38) in a clockwise
(25).
direction.
g. Using the universal riveter tool, install the
f. Check that electronic mounting board insula-
thick end of the actuator arm pivot pin (24)
tor (37) and shutter gasket (36) have not been
through actuating arm and into the hole provided
removed from inside of shutter rear casting as-
in the shutter front casting assembly (3).
sembly (4) or damaged. If either item has been
v. Position the actuating arm spring (22) on
removed or damaged, a new item must be glued in
the other end of the pivot pin (24) so that the
its place.
bent end of the spring rests against the tab on the
g. Mount the shutter release block (35) on the
flash filter actuator (26), and the straight end is
back of the shutter rear casting assembly (4), in
against the raised block on the shutter front cast-
upper right corner, with flat post protruding
ing (3). Secure with the retaining ring (21).
through the elongated slot in the rear shutter
s. Place the cell lens (20) into the lens mount
casting.
(27) with the shallow convex surface facing out,
h. Slip release block retainer (34) over end of
and press the cell lens retainer (19) into cell lens
post and heat seal in place. Make certain the shut-
mount (27).
ter release block (35) is free to slide up and down
t. Using front lens remover and focusing tool,
in the elongated slot after heat seal has cooled.
screw front lens assembly (18) into shutter front
i. Mount cable release cover (33) over shutter
casting assembly (3).
release block (35) and secure with screws (32)
u. Assemble bezel (17), bezel spring (16), outer
provided.
ring (15), center ring (14), and bezel cap (13) in
j. Insert short shoulder of shutter shaft (30)
that order.
through holes in top and bottom of shutter rear
v. Carefully depress the bezel cap (13) until the
casting assembly (4) and shutter mount (41).
bezel spring (16) is fully compressed, and the
k. Withdraw shutter shaft (30) enough to per-
tabs on the bezel cap (13) pass through the slots
mit the hook of the shutter mount spring (31) to
on the bezel (17), Bend the tabs on the bezel cap
be passed over the short shoulder of the shutter
over.
shaft (30 ). Anchor end of spring (31) on end of
w. Position the bezel assembly (13 through 17)
shutter shaft (30 ) by pressing shutter shaft down
over the f rent lens (18). The key on back of the
until it protrudes below shutter mount approxi-
bezel (17) should pass through the slot in the
mately 1/8 inch.
shutter front casting assembly (3), and fit into
l. Mount cell lens mount (27) on front of f rent
the forked extension of the plastic cell wedge
shutter casting (3).
(25).
m. Mount wave washer (28) on rear of cell lens
recess provided in the front shutter casting. The
mount (27) and heat seal in position.
ends of the spring should press against the bottom
n. Place plastic cell wedge (25) on back of flash
edge of the bezel (17).
filter actuator assembly (26) in position shown.
CAUTION
o. Position the plastic cell wedge (25) and the
Make certain glue does not get on bezel
flash filter actuator assembly (26) on back of the
(17). Check that bezel assembly can be
shutter front casting assembly (3).
turned freely.
NOTE
y. Glue the f rent decorative plate (11) onto the
Elongated slots should be to the right,
shutter f rent casting assembly (3).
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