Argus C3 - Page 24

SHUTTER
OPERATION
IN
THE
ARGUS
C-4
At this
stoge of
disossembly,
you
con cock
ond
releose
the
shuiter
to
exomine
the
operotions
of the
vorious
ports.
Cock
the
shutter bv turninq
the
sprocket
with
your
finger
--
turn
the
sprocket
in
the dfrection-shown
in
figure 30
until
it
stops.
Releose
the
shutter by
pushing down
the releose
plunger, Fig.
30.
RETEASE
PLUNGER
SPROCKET
MAIN
DRIVE
COLUMN
MAINSPRING
FIGURE
30
BACK
OF
FRONT
PLATE/SHUTTER
ASSEMBLY
Now,
try
turning
the
sprocket in the direction
opposite
to
the
curved orrow
in
figure 30
--
notice
thot
the
SLIDE
PLATE
underneoth
the
sprocket
swings toword
the
front
of
the
comero,
Fig. 31.
As it
moves,
the
slide
plote
corries
the idler
geor
out
of engogement
with
the MAIN
WIND
GEAR,
Fig.
31.
So ihe
sprocket turns
freely in o
clockwise
direction
(os
seen
from the
fop of
fhe comero)
while
you ore
rewinding
the
fi lm into
the 35mm
cqssette.
To
rewind
the
film,
iust
lift up
on
the wind knob
(to
dis-
engoge
the upper
geor
troin)
ond turn
the rewind
knob in
the direction
of its
orrow, Fig.
26.
You'll
leorn
more
obout
film windond
fi lm
metering
mecho-
nisms
in o
loter lesson.
For
now,
remember
thot
thesprocket
turns
in
one direction
--
indicoted
by
the
curved
orrow in
figure 30 --
to
odvqnce
the
film
to ihe
nexf
fromeond
tocockthe
shutter.
But
the
sprocket
must
be
oble
to turn
freely in.the
opposite direction
os
you rewind
the
fi lm
info
the
cossette
(prior
to
removing
the
film
for
processing).
PLAT
E/SHUTTER
ASSEMBLY
25