PS Magazine - TB 43-PS-456
PS, The Preventative Maintenance Monthly
ISSUE 456
NOVEMBER 1990
(i,
oil or fngeRrints on the eyepiece lens make Fr dim viewing. But i±
you're nOt care²l, you coulD damAge The eyepiece lens when you clean iT³
(´µampEN a coTT¶n pad·
NSN 8320-
00±299-8625,
WITh cleaNiNg soLuTion·
NSN 7930-00-880²4454.
¸hesE iTems
arE parT o¹ Thº L»Ns cLeaNIng kIT·
NSN
5855-01-143³4488.
(´
UsINg The damp pad· sTarT aT ThE
cenTEr o¼ ThE ½eNs and clean iN a cI¾c¿la¾
moTIoN WorKINg o¿t Toward The Edge
o± THe lENs.
(´
ÀEpEaT ThIs process a sEcoNd TIme
wITh a C½EaÁ· damP pad.
c.
¼TEr ThE LENs Is dry· chEcK To sEe
I¼ aLL dirT Is cLeaNEd o¼¼ ThE lEns s¿r±acE.
ü NoT· rEpeaT ThE procEss abovE· ¿sINg
a cLEaN pad moIsTeNEd wITH distIlLEd
WaTer.
(Ä
µry The lEÁs wITh a cleaN· dry coT-
ToÁ Åad.
¸ake a good look aT the leÆs³ ÇÈ itÉs chipped, cracked, scraTcheD or Êroken,
senD the sYsteM to
Ds
to replace tËe lens.
44
NOV 90
An/PRC-77 Radio ±²²
Keep Conduit Nut Tight
W
Hen yo¿ coNNecT The
KY
-57
sEc¿r-
ITy EquIpmeNT To your
AN/PRC-77
radio· KEEp THe cond¿IT N¿t oN thE
CX-
´2991/U
cabLe assembly·
nSN 5995-
01-058-2513,
TIghT.
A
loose coupling nut lets tËe connecÌ
tor and wires move when the radio anD
security equipment are on the Êackpack
Íame³ Îhe twisting and tuÏing o± tËe
caÊÐe causes Ñhe inteÏal wires to
ÊreakÒ Ç± the wires Êreak, your comÓ
munication is out!
DAS·3 COmPU±Er BEl± SUbstI±utE
G
et a
Ô
cËeaper DriVe Êelt Õr your
DAs-µ
computerÉs magnetic tape unit with
nsn µ0µ¶-00-·¸8-¹6º¶»
Îhe
nsn
listeD as ÇTem
µ·i¼
Ö×g
8
o± ÎØ
l l-¸0´¶-º0µ-
ºµP
anD Çtem
µ9
in Ùig
I³
o± ÚØ
JL-¸0½¶-º¶¾-ºµP
costs a lot more. ØAke a
noTe until The ÛØs are upDaTeDÜ
NOV
90
´5
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