Armasight NSGNYX7P01P3DA1 Nyx7 PRO GEN 3P Night Vision Goggles - Manual (Page 29)

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4.4 MAINTENANCE
4.4.1 GENERAL
The section regarding Nyx-7 PRO operator maintenance consists of operational tests, inspections for
unit serviceability, cleaning and mounting procedures, troubleshooting, and replacement instructions
for a limited number of parts. Maintenance instructions covered elsewhere in this manual (PMCS, trou-
bleshooting, etc.) are not repeated in this section.
CAUTION:
The Nyx-7 PRO is a precision electron-optical instrument, and must be handled carefully at all
times to prevent damage to the device’s body or mechanisms.
4.4.2 CLEANING PROCEDURES
CAUTION:
Thoroughly dry each item before placing them into the storage case.
Clean the Nyx-7 PRO as follows:
1. Gently brush off any dirt from the unit’s body using a clean, soft cloth.
2. Moisten the cloth with fresh water and gently wipe down external surfaces (except for glass sur-
faces).
3. Dry any wet surfaces (except for glass surfaces) with another clean, soft, dry cloth.
4. Using a lens brush, carefully remove all loose dirt from the glass surfaces.
5. Slightly dampen a cotton swab with ethanol. Gently and slowly wipe the lenses. Without touching
the lens holders, clean the glass surfaces in circular movements, beginning in the center and moving
out towards the edge. Change the cotton swab after each circular stroke. Repeat until the glass surfaces
are clean.
6. Clean the battery contact surfaces and contact springs with a pencil eraser and/ or alcohol-damp-
ened cotton swabs.
Clean optional mounting devices with a soft brush (cloth), soap, and water as required.
Clean optional lenses as detailed in items 4 and 5 above (except for the demist shield).
4.4.3 BATTERY REMOVAL AND REPLACEMENT
Refer to Part 3.1.1 for battery installation procedures. No special tools are required to replace the bat-
tery.