How to check
What to check
When to check
Daily - - - - - -
Projector, case, and acces-
ture plate holder and aperture plates are
available. See that the power cable is attached
either to the projector or stored in the case.
Check the roll attachment (PH-637/PFP
only) to either see that both units are attached
to the projector or stored in the case.
Check for cracks, chipped paint, rust, mildew,
Be careful not to scratch glass sur-
Outer surfaces of projec-
faces. Never clean the lens with
fungi, loose or missing screws, dents, and
tor, case, and acces-
anything but a camel's-hair brush
moisture. Clean metal surfaces by wiping
and lens tissue. Do not touch
them with a clean, lint-free cloth. Wipe the
the lens surfaces with the fingers.
projection-head window and projection-stage
plate-glass cover with a damp, clean, lint-free
Tighten screws only handtight.
cloth. Dry thoroughly. Dust the projection
lens with a camels-hair brush. If fingerprints
or foreign matter remain, clean the lens with
lens tissue moistened with lens cleaner. T i g h t
en loose screws, and replace missing screws.
Be careful not to scratch or break
Open the rear door and lamp house door. Re-
Interior of projector - - - - - -
Weekly- - - - -
move the projection lamp, and wipe it clean
with a lint-free cloth. Use a camel's-hair
brush and then lens tissue (with lens cleaner,
if necessary) to clean the reflector surface and
the lamp, and close both doors.