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MARCH
'74
8.1.3
WORM GEAR ASSEMBLY 312-11501
Check
:
Worm
gear
must
be mounted
and
secured
to eliminate
any "end play"
of shutt-
er
shaft.
Camtank
assembly
must
be mounted
so
that
there
is a small
amount
of "play"
between
worm
gear
and
fiber
gear.
Rotate
fiber
gear
to check,
Adjustment
:
Reposition
as
necessary
and
tighten
screws
securely.
S.1.4
CLAW POSITION
Check
:
Claw must
enter
film
perforation,
re-
fer
to section
5.9.4
dealing with gate
adjustments.
Claw must
not
touch
sides
of
perfora-
tions
at
any
time
during
its
entry,
pull-down
or
exit.
Claw
should
leave
film
so
that
frame
is
centered
over
aperture
with
framing
lever
in midway
position.
Adjustment
:
Slightly
loosen
two
screws
that hold
fulerum
collar
312-11041.
Holes
in
collar
are
oversize.
Move
fulcrum
collar
horizontally
and/
or
vertically
to
correct
position.
Check
:
Check
for
correct
framing
with
film
in
projector
and
operating.
$.1.5
CLAW PROTRUSION
Check
:
Claw protrusion
should be 0.1 + 0.012mm
(0.040 + 0.005").
Use
gauge
to determine.
Adjustment
:
Loosen
a lock
screw
on
fulcrum
control
of
camtank.
Loosen
screw
XT-3510,
and
claw
comes
out.
Tighten
screws,
and
claw
comes
in.
Tighten
lock
screw
in right
position.
Note
:
Claw
protrusion
may
be
affected
by
camtank
position
when
reinstalling.
Check
and
reposition
camtank
if nece-
ssary.
3.1.6
8.1.
CAMTANK ASSEMBLY REMOVAL
a) Remove
transformer.
b) Remove
reverse
belt.
c) Remove
main
drive
belt
from
No.1
sprocket
drive
gear.
d) Remove
motor
belt.
e) Remove
lamp
mounting
assembly.
f) Turn
inching
knob
to fully
retract
claw.
g) Depress
still
picture
lever
half-
way.
h)
Remove
two
mounting
screws
XT-5015S.
i) Remove
assembly,
being
careful
not
damage
claw.
Note
:
When
installing,
be
sure
to
;
a) Align
motor
and
shutter
pulley.
b) Provide
a small
amount
of "play"
between
worm
gear
and
fiber
gear.
c) Check
position
of No.1
guide.
See
5.9.1.
d) Check
timing
of No.1
sprocket
and
claw.
See
5.9.3,
e) Check
timing
of No.2
sprocket
and
claw.
7 CAMTANK DISASSEMBLY
312-11131
312-11661
31241101
31211161
312-11551
312-1221
312-11181
31211641
a) Depress
still
picture
lever
half-
way.
b)
Remove
screw
in end
of
shaft.
c) Remove
plate
washer
ST-11351
and
pulley.
d} Raise
still
picture
lever
and
rem-
ove
shutter
blade
and
hub.
e) Depress
still
picture
lever
part
way
to
expose
three
heads
of
cover
plate
mounting
screws
and
remove
screws.
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