LESSON 4
PURGE DRIVER'S NIGHT VISION VIEWER AN/VVS-2(V)1
TASK
Purge Driver's Night Vision Viewer AN/VVS-2(V)1
CONDITIONS
1.
PERFORMANCE. Given night vision viewer AN/VVS-2(V)1 TM 11-5855-249-23
extracts with all changes, a predetermined site, special tools and equipment listed in TM, using
realistic tactical scenario narrations and discussions and with a qualified supervisory OJT
monitor's assistance.
2.
PERFORMANCE-ORIENTED. Lesson 1 materials, pencil, TM 11-5855-249-23, and
without supervision.
STANDARDS
1.
PERFORMANCE. Correctly purge night vision viewer AN/VVS-2(V)1 without error,
within one out of two attempts, IAW the technical manual, under a simulated realistic operating
scenario and environmental conditions, without causing damage to the equipment or injury to
personnel, within 15 minutes per attempt.
2.
PERFORMANCE-ORIENTED. Demonstrate competency of the task skills and
knowledge by correctly responding to 80 percent of the multiple-choice test questions covering
purging of the night vision viewer, AN/VVS-2(V)1.
REFERENCE
TM 11-5855-249-23 extracts with all changes.
Learning Event 1:
Purge Driver's Night Vision Viewer AN/VVS-2(V)1
1.
Situation. Tactical scenario environmental conditions. Soldier is assigned to a
direct support unit as a Special Electronic Devices Repairer at a permanent or
semipermanent facility or mobile shop van. A driver's night vision viewer AN/VVS-2(V)1
is job ordered to your maintenance shop with a Maintenance Request (DA Form 2407 or 5504)
and Equipment Inspection and Maintenance Worksheet DA Form 2404 indicating a 02
priority and the deficiency requiring work is, "degraded optical performance due to
fogging."
Results of technical inspection reveal the AN/VVS-2(V)1 electronics are
in good order, however optical performance indicates purging is required and is recorded
as such on the Maintenance Forms (DA Form(s) 2407 or 5504). You must now purge the
AN/VVS-(V)1 and make it fully mission-capable as quickly as possible. This maintenance
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