ATN PVS7-HPT, User Manual

Page: 27 / 64

2-5
SECTION II: PREVENTIVE MAINTE-
NANCE CHECKS AND SERVICES (PMCS)
2-3 PuRPOSE OF PMCS
PMCS is performed daily when the PVS-7 is in use to ensure that
the sight is ready at all times. Procedures are a systematic inspec-
tion of the goggle that will enable you to discover defects that might
cause the PVS-7 to fail on a mission.
2-4 FREquENCY OF PERFORMING PMCS
The frequency of PMCS performing PMCS is follows:
A. Daily when the PVS-7 is in use.
B. weekly when in a standby condition.
C. Semi-annually when stored in depot or administrative stow-
age.
2-5 PERFORMANCE OF PMCS
Preventive maintenance checks and services shall be performed
following the sequence and inspection procedures indicated in
Table 2-2
Table 2-2. Preventive Maintenance Checks and Services
B = Before Operation; D = During Operation; A = After Operation
INTERVAL &
SEQUENCE NO . ITEM TO BE INSPECTED/
PROCEDURE
B D A
1 GOGGLE - Check for completeness, includ-
ing accessories. Check for dirt and moisture
on external surfaces and parts. Clean and dry
with lint-free cloth.
2 SHIPPING CASE - Check for dirt, moisture
and mildew. Clean with mild detergent and wa-
ter. Dry with lint-free cloth.