Armasight NAM601500126DH1 PVS14/6015 GEN 2+ HD Multi-Purpose Night Vision Monocular - Manual (Page 21)

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TABLE 3-1. PREVENTIVE MAINTENANCE PROCEDURES
ITEM
NO. INTERVAL CHECK/SERVICE
PROCEDURE NOT FULLY MISSION CAPABLE IF...
1 Before Open carrying case and inventory the
items.
2 Before/
After Optical
Surfaces
MONOCULAR
Inspect all lenses (objective, eyepiece,
IR lens and high light cut-off window)
for dirt, fingerprint residue, chips, or
cracks. If necessary, clean and dry
lenses with water and lens tissue. Chips or heavy scratches that
hinder vision with monocular
turned ON; cracks are present.
3 Before/
After Battery Cap
Housing Inspect external surfaces for cracks
or damage. Scratches, cracks, and
gouges are OK if operation is not
affected.
Inspect battery compartment.
Verify that the battery cap is present.
Remove battery cap and inspect for
moisture, cracks, and corroded or
defective spring contacts. Verify that
the o-ring present in the cap.
Remove battery and turn the power
switch from RESET/ OFF to ON to IR/
PULL. Each position should have a
definite stopping point. Inspect for
broken or missing knob.
Install battery per paragraph 2.6 and
check IR source functions (as well as
momentary IR source, if so equipped)
by following the operating instruc-
tions in paragraph 3.22.
Check the high light cut-off with
daylight or bright room light (not fluo-
rescent light) by placing the lens cap
on the objective lens. Turn monocular
ON and observe that the system cuts
OFF within 70 ±30 seconds.
Turn the device OFF and then ON to
reenergize it.
NOTE :
If the monocular fails this highlight
cut-off test, it does not cause the
end item to be nonmission capable.
However, it should be sent to high-
er level of maintenance as soon as
possible.
Check gain control for free movement
and operation per paragraph 3.2.5.
Cracks or damage in the bat-
tery housing.
Cap is missing, contacts dam-
aged or corroded, o-ring is
missing.
Power switch has no definite
stopping points; knob is bro-
ken or missing.
IR source does not work.
If damaged, please contact
Customer Support.
Knob does not move freely, or
does not vary the gain.