2-8
ITEM
NO.
INTER-
VAL
LOCATION
PROCEDURE
NOT FULLY
MISSION
CHECk/
SERVICE
3.
Cont.
Before/
After
Battery Cap/
Housing
Cont.
Turn monocular OFF and then ON to reen-
ergize monocular.
NOTE
Check gain control for free movement and
operation per paragraph 2.25.
Knob i s not fre e m oving
or does not vary gain.
4 Before/
After
Monocular Inspect for cracks or damage. Scratches,
cracks, chips and gouges are OK if opera-
tion is not affected.
Cracks or damage in
the monocular.
5 Before/
After
Eyepiece Lens Rotate diopter adjustment to make sure
the eyepiece lens moves freely and is not
loose. Range is approximately ½ turn.
Binding, not moving
freely or too loose.
6 Before/
After
Eyecup Inspect for dirt, dust, cracked or torn eye-
cup. Inspect for bent, broken, or improper-
ly fitting eyepiece lens. If necessary, clean
with water.
Chips and cracks are
permitted on the eye-
cup retaining rings as
long as they do not
interfere with instal-
lation of eyecup.
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