CLEANING
The optical system
of
your projector
must
be
kept clean
if it
is
to
continue
to
give the best results.
Dust
or
fingerprints
on the lenses will reduce the brightness of the picture on the
screen and will cause
it
to
appear unsharp or flat.
Projection
Lens-
Turn
the
focus
knob until the lens is
out
as
far as
it
will go. Carefully push the
focus
knob toward the
side of the projector; at the same time, withdraw the projec-
tion lens.
With
a soft, clean, lintless cloth or
KODAK
Lens
Cleaning Paper, wipe the
front
and back surfaces of the lens.
Replace the lens
by
again pushing the knob toward the
side of the projector and guiding the lens back into position.
The
lens should
be
far enough into its recess that the gear
teeth on
the
side of the lens barrel will
be
engaged
by
the
gear on the focus-knob shaft.
Condenser Optics-
Turn
the projector bottom side up. Open
the lamp
door
as described on page
14.
Carefully
lift
out
the
condenser
lenses and the heat-absorbing glass, one at
a time. Clean both sides of the condenser lenses and heat-
absorbing glass with a clean, soft, lintless cloth
or
KODAK
Lens Cleaning Paper.
Be
careful
not
to
leave
fingerprints
on
the elements. Replace the condenser lenses and heat-
absorbing glass. The small condenser lens fits in the guides
nearest the projection lamp, with the flat side of the
con-
denser toward the lamp. The heat-absorbing glass
fits
in
the center guides, and the large condenser lens
fits
in
the
guides nearest the
front
of the projector with the
flat
side
of
the
condenser
away
from
the lamp. Close and secure
the lamp door.
OILING
All
bearings are self-lubricating and require no oiling.
Emergency
Slide-Tray
Removal-If
the
slide-changing
mechanism should become inoperative because
of
a defec-
tive slide, foreign object, etc, turn
the
coin-slotted
TRAY
REMOVAL
SCREW in either direction, as far as
it
will go,
to
retract the tray lock.
While
holding
the screw in
this
position,
lift
off the slide tray. Because the slide tray has
been removed in
this
manner, the lock on the bottom of the
tray is no
longer
engaged
by
the notch in the metal slide-
retainer, as illustrated on page
8.
With
the tray placed up-
side down, turn the retainer until
the
lock engages the notch
in the retainer; then remove the defective slide
from
the
projector by pushing
the
select bar,
or
if
necessary, pull the
slide
from
the gate by hand. Replace
the
tray on the projector.
15
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