TM 11-6625-3081-23
2-22. CLEANING (cont)
2-22
2. OPTICAL SURFACES
CAUTION
Clean only when necessary.
Never
touch optic surfaces with bare
fingers.
Never wipe dry optics with dry
lens tissue.
Use new clean moist-
ened lens tissue when cleaning
optical surfaces.
Never wipe more
than one time with the same lens
tissue.
Always use clean, rubber finger
cots on your fingertips to prevent
fingerprints on optics.
Avoid talking over the optical
surface or wear a nose-mouth
shield to prevent contamination of
the optical surface.
a.
Using a clean artists brush care-
fully dust away loose matter from
optical surface.
METHYL ALCOHOL
FLAMMABLE, TOXIC, IRRITATING. CAN
CAUSE BREATHING PROBLEMS, EYE
DAMAGE.
DON’T:
USE NEAR FLAMES OR SPARKS,
LET IT GET ON SKIN, OR BREATHE
VAPORS.
Do:
USE IN WELL-VENTILATED AREA,
CLOSE CONTAINERS WHEN NOT USING.
WEAR ACID-TYPE SAFETY GOGGLES.
IF IT CONTACTS SKIN OR EYES, WASH
AFFECTED AREAS WITH RUNNING WATER.
GET MEDICAL HELP AT ONCE.
IF YOU EXPERIENCE ANY BREATHING
PROBLEMS, GET TO FRESH AIR AT
ONCE.
b. Using a methyl alcohol moistened
folded (four folds) lens tissue,
wipe optical surface in one
direction with one wipe. Use new
methyl alcohol moistened lens
tissue for each additional wipe.
ACETONE
FLAMMABLE, TOXIC, IRRITATING. CAN
CAUSE BREATHING PROBLEMS, EYE
DAMAGE.
DON’T:
USE NEAR FLAMES OR SPARKS.
LET IT GET ON SKIN OR BREATHE
VAPORS.
Do: USE IN WELL-VENTILATED AREA,
CLOSE CONTAINERS WHEN NOT USING.
WEAR ACID-TYPE SAFETY GOGGLES.
IF IT CONTACTS THE SKIN OR EYES,
WASH AFFECTED AREAS WITH RUNNING
WATER.
GET MEDICAL HELP AT ONCE.
IF YOU EXPERIENCE ANY BREATHING
PROBLEMS, GET TO FRESH AIR AT ONCE.
c.
Using an acetone moistened folded
(four folds) lens tissue wipe
optical surface in one direction
with one wipe.
Use new acetone
moistened folded lens tissue for
each additional wipe.
END OF TASK
2.1 MIRRORS
a.
Remove cabinet rear panel
(para 2-41).
b.
Inspect each mirror surface using
a flashlight and determine extent
and nature of surface
contamination.
Change 9
2-163
