12
CLEANING
To
get the brightest, sharpest screen images, keep the
optical system of your projector clean. Dust or fingerprints
on
the projection or condenser lenses will reduce the
brightness of the screen image and will cause it
to
appear
unsharp or low
in
contrast.
Projection
lens
Turn the focus knob clockwise until the lens is out
as
far
as
it
will go. Carefully move the focus knob toward the side of
the projector
as
you
withdraw the projection lens. Blow
any dust or
dirt
from the lens.
With
KODAK
Lens
Cleaning Paper or a soft, clean , lintless
cloth, gently wipe the
front
and rear surfaces of the lens.
If
moisture
is
required, breathe
on
the lens surface or
use
a
drop of
KODAK
lens
Cleaner
on
the paper or cloth.
Replace the lens
by
again moving the focus knob toward
the side of the projector and guiding the lens back into
position. Insert the lens far enough into its recess
so
that
the gear teeth
on
the side of the lens barrel will
be
engaged
by the gear
on
the focus· knob shaft.
Condenser
lens,
Heat-Absorbing Glass, and
Mirror
Turn the projector bottom side up. Open the LAMP
DOOR
as
described
on
page 11. Push the LENS RETAINER downward
until
it
is
free of its retaining clip; then raise the retainer
as
far
as
it
will go. Carefully
lift
out the CONDENSER LENS
and the HEAT·ABSORBING GLASS. Clean both sides of the con·
denser lens and the heat·absorbing glass with
KODAK
Lens
Cleaning Paper or a soft, clean, lintless cloth.
Be
careful
not
to
leave fingerprints
on
any of the surfaces. Replace
the lens and heat·absorbing glass in
their
original loca-
tions, with the flat side of the condenser lens toward the
front
of the projector.
NOTE:
Failure
to
position the large condenser lens
correctly can cause the focus motor
to
malfunction.
Gently clean the surface of the
MIRROR with
KODAK
Lens
Cleaning Paper or a soft, clean, Iintless cloth moistened
with
KODAK
lens
Cleaner.
Close and fasten the lamp door.
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