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NVS 6
MANUAL
Page 48
Table 6
Procedure
Maintenance check intervals, hours (months)
and parameter under
check
50
(6 months)
100
(12 months)
200
(24 months)
1 Cleaning lens and
eyepiece external
surfaces
+ + +
2 Inspection:
Inspecting the night-
vision goggles and their
accessories for external
condition
+ + +
Checking the unit set
for completeness
+ + +
Testing the night-vision
goggles and their
accessories for
serviceability
+ + +
Checking the night-
vision goggles for image
quality (resolving power)
+ + +
3 Periodic inspection:
Checking screws for
proper tightness and
inadvertent loosening
+ + +
Adjustment of retainers
force for locking in
operating position (if
required)
+ + +