Gentex HGU-56/P, Operation And Maintenance Instructions

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2-3.3 Installing ANVIS Attachment Kit (for Quick-Disconnect ANVIS Dual Visor
Assembly)
Before you can attach the ANVIS night vision goggles to the ANVIS dual visor assembly, you
must modify the ANVIS mount. An optional kit (
Figure 2-9 ) contains the parts required for this
modification. Once modified, the mount will provide one-handed attachment and removal.
Tools and Materials Required
ANVIS Attachment Kit (96A9378)
Procedure
Referring to Figure 2-9 , modify the ANVIS mount as follows:
1. Remove the nut from the right side (as worn) of the ANVIS mount, and place the strain relief
clamp over the ends of the screw threads.
2. Place the cable wires under the clamp arm, and replace the nut over the screw threads and
the clamp. Tighten the nut until it is secure.
3. Position the backing plate on the rear of the mount so that the screw holes line up and the
plate is flush with the top and bottom rear of the mount. Ensure that the wires extending
from the rear of the mount are aligned in the mount slots to prevent crushing of wires.
4. Apply a small amount of thread-locking adhesive to the end of each top locating pin
(identified by longer, tapered heads), and install these pins through the top holes of the
backing plate and into the rear of the mount. Repeat with the bottom locating pins, installing
them through the bottom holes. Tighten the pins until they are secure; do not tighten too
much.
5. Remove the backing from the hook fastener, and wrap it around the cable connector until
the ends meet.
(Continued on next page)
10
Figure 2-9. Modifying ANVIS Mount
Hook fastener
(wrapped around cable connector)
ANVIS mount
(customer-
furnished)
Top
locating pins
Bottom
locating pins
Backing plate
Clamp arm
Pile
fasteners
Backing plate
Locating
pins
Kit
Hook
fastener
Pile
fastener
Nut
Clamp