PS Magazine - TB 43-PS-572
PS, The Preventative Maintenance Monthly
ISSUE 572
JULY 2000
PS 572
49
PS 572
48
JUL 00
That’s the word in TM 11-5855-262-
10-2, the operator’s manual for the AN/
PVS-7B night vision goggles.
It seems like pretty clear advice. But
something is getting lost in the transla-
tion. Those -7’s are taking a beating
like an old rug.
AN/PVS-7B . . .
Remove the batteries before the
goggles are stored. Batteries will leak
in their compartments if stored in the
goggles.
You no longer have to buy the bat-
tery cap assembly in order to replace
the battery cap retainer. You can get
the retainer separately with NSN 5935-
01-448-6355.
Get retainer separately
Batteries
You can use only two types of bat-
teries in the NVG. Two AAs will work
(BA-3058/U, alkaline, NSN 6135-00-
985-7845). Or one lithium, L-91, NSN
6135-01-333-6101, will work. Noth-
ing else works, so don’t try.
When ring stops—
you stop!
ing it! It’s not going to get any better
than +2 to –6.
Diopter Ring
The diopter adjustment ring lets your
eyes focus even if you normally wear
glasses. That ring adjusts for the sharp-
est image possible in a range of +2 to
–6 diopters.
But some of you want more. You
keep adjusting when there is no place
to adjust to! It’s not long until the ring
cracks and breaks. So here is the rule:
when the ring stops turning, stop turn-
night
vision
goggles are
a
precision
instrument
and must
be
handled
carefully
at
all times
to prevent
damage.
Here
are some
areas
that need
special
handling.
..
some
pm
would have
saved
my
vision
!
make certain the
off-on-pull ir switch is
in the
off
position
before
installing batteries!
that's
nice, safe
and
secure!
You can also get just the cap with
NSN 5855-01-246-8265 and just the
packing for the cap with NSN 5330-
00-729-4992.
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