PS Magazine - TB 43-PS-457

PS, The Preventative Maintenance Monthly

ISSUE 457

DECEMBER 1990
PS Magazine - TB 43-PS-457 - Page 26 of 36
Night VIsIon GOgl
..•
Lens Mount Assembly Revisited
I
f your objective lens mount assem-
bly, part numbeR SM±C±657375²1, was
manuFActured uNder conTact Numbe³
D´´B07²87µC²¶0·6¸ it dOsn't have
a ³etainiNg RIng.
Without tHis ¹ºng, tHe leNs assembLy
goes too fa³ »¼rwaRd aNd comes off the
½h¾Eaded paR½ of the collar¿ ÀHat means
the leNs cannot Á ³etuÂed Ão InÄNity
F¼cusÅ You need to remove ½hese leNs
assemblies FÆom seÇViceÈ
Éere a³e the Êtems that you Need to
check f¼r these Lens assËmblies:
Item
I
±
NSN
Aand S²
5± 1
18
²³PV´-58
²³-1 ·22&3
MµPV¶
´µ.¶
mnT ²s·bLy
6012
¶ind ½he seriaL numÁr on the Lens
laÁlÌ
if
tHe serial numbe³ Ís
0¸ I
ÎHrougH 4356Ï seNd tHem to your ÐS
shopÑ
Lo F
ÒÓÔÕ·
nuMb
on
¸ ¹º
CÖC×M
saØty²of²use
message
ÙMSÚÛÜS¶²SÚÝ Þ6ßà0Þ2 Jun 89 Has
inf¼rmation on how you³ ÐS sHop
sends these lens assembLies to SacRaá
men½o ´rmy DePt F¼³ ³epaIrsÑ
TA·312 Deicing Screen NSN
T
he âSâ ãs ä³ång for
T
deicing scræN iN ´pçNdèx Ö o» éM êê±ë80ë±ì0ê±êìí
×îer the sc³Ëen äãth âSâ 4ïðñòóì±ô6ì8õ Make a NoÃe
u»¼½¾
¹ º
ös
up¼e.
DEC9¿
4À
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