PS Magazine - TB 43-PS-504
PS, The Preventative Maintenance Monthly
ISSUE 504
NOVEMBER 1994
Night VisIon Goggles .
..
SEE SPOT GO
Ir
you see black spots befOre youR eyes when you looK ThRough youR
A/vS-5
or
±7
night vIsIon goggles, It doesn'T mean you need an eye exam. ±T jusT means
TheRe²s dIRT on the Lenses oR small b³em-
Ishes on The Image InTensIfIer tube´
FIRst oRdeR of busIness Is to cLean the
obJective and eyepIece lenses, The sacRIµ
fIcIal wIndow and The lIghT ¶nterfERence
fILter wITh lens papeR·
²³´ 6640µ00¶2·0¸
¹8¹1,
and clean waTer¸
When you clean The demIst shields·
maKe suRe the shIelds and the lens papeR aRe dry¹ You
'ºº
damage the coaTIng If the
shIelds aRe wIped wetº
»¼ you sTIll see blacK spoTs afTe½ cleanIng The lenses¾ you¿ve goT blem¶shes on the
image IntensifIer tubeÀ
BlemIshes are no problem unless the
I
iden st
LO
i
spots Keep you fRom doÁng your mIssIon´
Âf they doà turn In the goggles to your
suppoRT fOr repaIRÄ
MaKe sure to ÅdenTIfy on the maInTeµ
nance requesT wheRe The spot ¶s locaÆed In
The cÇrcle of vÈsIonÀ
P» ¼½¾
¼¿
NOV
9À
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