INTRODUCTION
1.
It is a significant advantage for an Army to have the ability to operate and fight at night.
Night vision devices allow soldiers to shoot, drive armored vehicles, and operate aircraft at
extremely low or no visible light conditions. In order to take full advantage of these devices,
proper maintenance is the key. The family of night vision devices is large and you must acquaint
yourself with the characteristics and types of night vision devices you are responsible for
maintaining.
2.
This subcourse will present interim procedures for the use of the purge device with the
following night vision/thermal devices:
*
Aviator's night vision imaging system AN/AVS-6(V)1/2
*
Night vision goggles AN/PVS-5/A/B/C
*
Viewer infrared AN/PAS-7A
*
Driver's night vision viewer AN/VVS-2(V)
The night vision goggles AN/PVS-7A and AN/PVS-7B were specifically designed for
use with the purge device and are among the newest members of the night vision family. For
this reason, the purge procedures for these devices are included in this subcourse. You are
reminded that these procedures were designed and tested at the Special Electronic Devices
Repairer Course and approved for general use until superseded by the technical manual.
3.
The purging kit, fire control can be used by itself to purge many of the night vision
devices discussed in this subcourse. However it is important to note that a special purpose purge
adapter not included in the purge kit must be used. The basic purging kit (NSN 4931-00-065-
1110) consists of the following items:
*
Adapter hose
*
Hose assembly
*
Kit, adapter assembly
4931-00-936-4283
*
Consisting of:
1 Adapter: 10-32UNF-2A
1 Adapter: 10-24UNC-2A
1 Adapter: 8-32UNC-2A
*
Regulator, nitrogen, pressure:
4931-00-135-5064
Outlet pressure gauge - 0 to 60 PSI
Inlet pressure gauge - 0 to 4000 PSI
*
Valve, extension
*
Adapter, hose
*
Adapter, nitrogen filling
4931-00-508-5453
*
Nut, cylinder valve
xii
Previous Page
