PS Magazine - MARCH 1983
PS, The Preventative Maintenance Monthly
ISSUE 364
MARCH 1983
.
I
±,
I
'
I
B
sure it has thE StrEngth
to do the job.
A
weak
bAttery won't oprate youR
squelch ciRcuIt, f'rinstance±
They can swinG LooS
e,ilI
aNd sit RiGht over the²³´µ¶
·
battery connectors±
ClosinG the set
with a cliP in thAt
PositioN caN Short out
your battery±
ThiS S¸arts GassinG
and can lEad to an
exPLoSion.
FinaLLy, wArn your
orGAnizAtionAL RePair to
wat¹h out wheN adJustinG
L1
tuninG sluG on the anteNna
couPLer module± ºf it's s»reWed
f1
in too ¼ar, the sluG can ¼½ll
riGht into the set± ¾hat meAns
a suPPort rePair job±
-±²
TER,
0
eArtHLINGS± is
WhY yOU² F³l´ow µ¶·P¸¹º
n»V¼½ CaM¾
baCK!
; lJ±1f²tv³,´µ¶·¸
"'\
\i±²l³N´µ¶.'·
³´,. µI ¶
,
·
¸
\
A dead AN/PRC-90 radio set can'T
smaller pocket puts the pi±ch on a big²
b³i±G you ba´k aliveµsim¶le as that.
Ger
PRC·90, especially the foLdi±g
A Lot of heavy¸handed treatment is
whip.
causing a ³ash of cracked whIp aMen¸
-±.²³´µ¶·¸¹º
nas. ¹hE Breaks will usually show up
just above the half·wave loadIng coil.
You p³otecT you³ ºnten±a a couple
of ways» FirsT, ºny ¼ime you remoVe
the whip, Grab it aT the base. ¹wistinG
a±y highe³ on The shaft ca± caUse dam½
age.
Se´ond,
some
SR¾¸21
su³vivaL
vests stiLl have the po´ket fo³ the
smaLLe³ AN/¾¿C¸À0 ³adio seTÁ ¹haT
YoUr supÂo³t swit´hes pockets fo³
you. ¹ell Ãem to o³De³ the bigge³ one
with NSN 8415¸00¸442Ä3616.
Ånspect the anTenna ÆrequentLy and
repla´e it when ne´essa³y. Çe su³e the
a±te±na seali±g washer is on handÈ Åf
yoU ±eeD one, o³de³ it wiTh NSN 5330É
00¸928¸7079» C 4 To ¹Ê 1ËÄ5820¸800¸
À2 has the W³onG nUmBe³È
»
S¸ze-W¹se CamouFLAge
Ìe were caughT ThinKing too bIg in oÍr "ÎaTTern ÎaInting ÎarÏicuLarsÐ
arTicÑe on Îages 50Ò5À oÆ ÎÓ 357.
Ô
As a rough rÍLÕ of Thumb, iTeÖs smºLLer THºn 4 c×bic feet,
not
4 feet x 4 feeT x
4 feet, need no camOuØlage.
¹he³eÙlL be exceptions, of course, ºnd TÚen common se±seÛa±d you³ ÜÝÃs
decIsionÞwiLL aßply.
41
l
(
i¹
º!»
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