PRACTICE EXERCISE (Continued)
When purging the AN/VVS-2(V), the purge device PUMP/NITROGEN switch is set to
NITROGEN, and the purge device gauge indicates 4 PSI. What is the next step?
Set purge device LEAK TEST/PURGE switch to LEAK TEST.
Repeat steps 8 through 11 or 7 and 20, three additional times.
Unscrew purging wrench/adapter assembly from gas inlet valve.
Use Phillips screwdriver and tighten gas outlet ports.
You are inspecting the driver's night vision viewer AN/VVS-2(V)2A after completion of
the purge and pressurization procedure. Which vehicle type can the AN/VVS-2(V)2A be
How many purge ports are located on the driver's night vision viewer AN/VVS-2(V) ?