ATN PVS7-HPT User Manual page 56

MALFUNCTION
9. Head straps
cannot be tight-
ened
10. Head
mount or
helmet mount
socket and
goggle do not
catch
11. Helmet
mount will
not tighten to
helmet
12. LIF will not
thread in or
obstructs view
13 . I R s p o t /
flood lens will
not adjust
14. Compass
does not illumi-
nate
15 C o m p a s s
will not stay on
the PVS-7
3-4
TEST / INSPECTION
Check for defective
buckles, fasteners
or straps
Check socket or
latch for dirt
Check socket or
latch for damage
Visual
Check for dirt in
threads
Check for damaged
assembly
Visual
Visual
Visual
CORRECTIVE ACTION
If damaged, refer to high-
er level of maintenance
Clean socket and latch
If damaged; return both
head mount or helmet
mount and PVS-7 to
higher level of mainte-
nance
If damaged, refer to
higher level of mainte-
nance
Clean threads
If damaged, refer to
higher level of mainte-
nance
Refer to higher level of
maintenance
Refer to higher level of
maintenance
Possibly missing an o-
ring
Refer to higher level of
maintenance