TM 9-5855-253-10
OPERATING IN FREEZING TEMPERATURES (CONT)
2-25.
(Sheet 3 of 3)
Lens surface coating is easily damaged. If
operation of Night Sight is hampered by fog-
ging, frosting, or icing over, do not attempt
to remove it by wiping or rubbing. Ice crystals
can scratch coating. Do not breathe on lens sur-
face. Keep front lens covered when Night Sight
is not in use.
N. To remove fogging from lens (14), clean lens (para 2-8).
To remove frost or ice from lens (14), use heating pad pack (Item 3,
O.
Remove heating pad (6) from pad cover (8) and add water to heating pad (6)
P.
per directions printed on pad cover (8).
Q. Hold heating pad (6) against lens surface until frost or ice is melted.
Do not rub heating pad (6) on lens (14).
R.
END OF TASK
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