
4-4
Part
Description
Frequency Action
Lens As required
Clean the lens only when absolutely necessary.
A small amount of dust on the lens has very little
effect on picture quality.
To clean: Useasoftmicroberclothwithoutany
chemicals. Use only a high-quality coated optics
cleaning uid, which can be purchased from
most camera supply stores. Apply the coated
optics uid directly onto the microber cloth
until moistened. Wipe in a single sweep across
the surface of the lens. To avoid scratching the
lens do not scrub or rub in a circular motion.
Discard the cloth after every use. Do not
use cleaning tools treated with Ether. Do not
use cleaning solvents that contain ammonia.
Use compressed air to remove any particles
remaining on the lens.
Lamp
As required
CLEAN: Clean if absolutely necessary. Never
touch the glass surface of the lamp. Fingerprints
left on the glass will seriously degrade lamp
performance or cause “hotspots” which can
lead to an accumulation of intense heat in the
touched area and cause the lamp to shatter.
To clean: Wait until lamp is cool. Moisten a
clean,microberclothwithisopropylalcoholand
gently rub the surface of the glass in a circular
motion until clean.
1000 hrs or
sooner if required
REPLACE: Refer to 4.4 Lamp Replacement
procedure later in this section.
Covers
(External)
As required
CLEAN: Clean dust from external covers using
aclean,microberclothasrequired.
NOTE: Before cleaning the modules, it is
recommended that you install the lens cap. This
will keep dust particles from settling on the glass
surface of the lens.
Table 4.1. Maintenance Guide
Section4►Maintenance
WARNING
Proper face shield and protective gloves are required if
the lamp module is removed from the projector.
4.2 Cleaning and
Maintenance Guide
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