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5.17
PREVENTIVE MAINTENANCE
The Laser Transducer System electronics require no preventive maintenance. However, the
system optics, the laser head lens, and the receiver lens do require periodic cleaning. The fre-
quency of this cleaning is dependent o n the cleanliness of the ambient environment.
5.18
Cleaning of Optical Components
Use a soft camel-hair lens brush to remove dust from the optic windows.
(A
good camera lens
brush with a rubber bulb blower i s recommended.) Dampen a few optical lens cleaning tissues
with optical grade ethyl alcohol, shake off excess alcohol, and wipe across window once. Use
fresh tissue dampened with alcohol for each wipe. Allow alcohol to dry naturally.
NOTE
D O
use
only
camera
or
better
grade
lens
tissue.
D O
NOT
use
any
of
the
various
impregnated
eyeglass
tissues.
D O
NOTuse
harsh
solvents
such
as
acetone
or
MEK
for
cleaning.
D O
NOT
use
excessive
amounts
of
alcohol.
D O
NOT
wipe
window
if
there
i s
any
abrasive
dust
or
grit
o n
it.
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