Armasight NSGSPARK01CCIC1 Spark-G Night Vision Goggles - Manual (Page 28)

28
SEq
NO.
LOCATION ITEM TO
CHECK/SERVICE
PROCEDURE
NOT FULLY MISSION
CAPABLE IF
4 Lens Cap Inspect for cracked, torn, or missing lens caps. Cap is torn or cut.
Cup is not secured to the housing
of the lens.
5 Eyecup Inspect for dirt, dust. Inspect for cracked or torn, bent, bro-
ken or improperly fitting eyecup.
If necessary, clean as per Para 4.4.2.
Cup torn or cut.
6 Battery
Compartment/
Cap
Verify that the battery cap is present. Inspect for corrosion,
moisture, corroded or defective contacts. Verify that the o-
ring is present.
Cap is missing, contacts damaged
or corroded, or o-ring is missing.
7 Function Switch Check the switch for operation (without a battery). Switch has no definite stopping
points. Switch knob is broken or
missing.
8 Lenses Inspect optical surfaces for dirt, fingerprint residue, scratch-
es, chips, or cracks.
Scratches or chips hinder vision
with Spark turned on. Cracks are
present.
9 Focusing Ring Rotate the focusing ring to ensure free movement (range is
approximately 1/3 turn).
Ring gets stuck or adversely affects
the user’s ability to properly focus
the unit.
10 Eyepiece Ring Rotate the eyepiece ring to make sure the eyepiece is not
too tight or too loose. Range is approximately ½ turn.
Ring gets stuck, is too loose, or ad-
versely affects the user’s ability to
properly adjust the diopter.
11 Optional
Equipment
Inspect optional items for dirt, or corrosion, damage, and
missing parts. Check for proper operation.
If necessary, clean as detailed in Part 4.4.2.
Equipment is damaged or parts are
missing.
OPERATIONAL CHECKS
CAUTION:
Do not activate the Spark in daylight unless the lens cap is on, or you are operating under dark conditions.
NOTE:
Daylight checks are described below.
12 Function Switch Install the battery. Turn the switch from OFF to ON. Look for
the green glow in eyepiece (it should appear after a slight
delay), and wait about 10 s for image to disappear.
Image is present.
13 Viewed Image Inspect for any operational defects (refer to Part 4.3.1: Iden-
tification of Operational Defects).
Shading, edge glow, flashing, flick-
ering, and intermittent operation,
or excessive cosmetic defects are
found.
AFTER CHECKING PROCEDURES
14 Turn the unit OFF. Verify that the green glow fades from the
eyepieces.
Remove the battery.
Return the unit and all accessories to the soft carrying case.
4.2 TROUBLESHOOTING
4.2.1 OPERATOR TROUBLESHOOTING
The purpose of troubleshooting is to identify the most frequently occurring equipment malfunctions,
their probable causes, and the corrective actions required to fix them.
Table 4-2 lists common malfunctions that may occur during the operation or maintenance of the Spark.
Perform the tests, inspections, and corrective actions in the order listed in the table.
TABLE 4-1. CONTINUED