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 lens 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.
Ca
.refully 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
equivalent)
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 (or
equivalent)
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
CAUTION:
Heat-absorbing glass may shatter.
Hand le on ly
with
gloves. Keep glass covered with
a cloth
or
other
material while out
of
projector.
Turn
the
projector
bottom side up. Open the
LAMP
DOOR
as described on page 11. Push
the
LENS
RETAINER
down-
ward
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
, and gently place
them
on a
soft
cloth.
Clean both sides
of.
the condenser lens and
the
heat-
absorbing glass with
KODAK
Lens Cleaning Paper
(or
equiv-
alent)
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 locations, with
the
flatter
side
of
the condenser lens toward the
front
of
the
projector
.
Gently clean the surface
of
the
MIRRO
R with
KODAK
Le
ns
Cleaning Paper
(or
equivalent)
or
a
soft
, clean, lintless
cloth moistened with
KODAK
Lens Cleaner.
Close and fasten the lamp door.
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