6
Preparation for
Threading
Place the reel of film on the SUPPLY
SPINDLE (Figure 3) with the film feed
ing clockwise off the reel and the per
forations toward you. Lock the reel
onto the spindle with the LATCH.
Place an empty reel on the TAKE-UP
SPINDLE and lock it in place.
Make sure that the REWIND TAB is
latched in the vertical position.
Check to see that the speed selector
is properly set for the film to be pro
jected.
Open the supply and take-up sprock
et CLAMPS.
Open the GA TE by pushing forward
on the tab until it latches.
Turn the trial THREAD KNOB until
the white line on the knob is toward
you. With the knob in this position,
the pulldown claw will be withdrawn
·
from the film channel.
FIGURE 3
TAKE·UP SPINDLE
AND LATCH
SUPPLY SPINDLE
AND LATCH
Threading for
Sound Pictures
Draw off about five feet of leader.
Grasp the leader near the supply reel
and insert it between the UPPER
SPROCKET and CLAMP, engage the per
forations with the sprocket teeth, and
close the clamp. (See Figure 4.)
Place the leader between the top
d bottom edge guides of the chan-
1. Close the gate by pressing on the
TE LATCH. Form the upper loop to
the red dot on the REWIND TAB. (See
inset.)
Thread the leader under the LOOP
FORMING ROLLER. The leader should
just touch the roller
('!!2!
as show!!_jn
Figure 41.
Pull back the sound drum PRESSURE
ROLLER and place the leader over the
roller and under the SOUND DRUM. Re
lease the roller, making sure that the
leader is between the flanges.
Pass the leader behind the DAMPER
ROLLER and between the LOWER
SPROCKET and CLAMP. Engage the
perforations with the sprocket teeth
and close the clamp. Make sure that
the leader is against the damper
roller.
l
Press down the loop-forming roller
as far as it will go and then release it.
This action will correctly position the
upper and lower loops. Turn the trial
thread knob to engage the pulldown
claw in the leader perforations. Fig
ure 4 shows the positions of the
lamps, gate, and leader
after
the
op-forming roller has been pressed
wn and released.
Bring the leader over the SNUBBER
ROLLER and under the two rollers on
the bottom of the master control cov
er. Insert the end of the leader into
the slot in the core of the take-up reel.
Take up the slack between the lower
sprocket and the take-up reel. Move
the sound-input switch to FILM.
