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