PS Magazine - TB 43-PS-414
PS, The Preventative Maintenance Monthly
ISSUE 414
MAY 1987
HAWK, Patriot Missiles .
..
AN/TSQ-73 Missile Minder circuit
cards are being zapped befre they can
do their joBs because operators and
org
a
tion± repairmen aren't guarding
against Electro²S³tic Discharge (ESD).
One pop oF the static electrici´ you
carry around ruins the MissIe Minder's
sensitive circuit cardsµ You can ¶D the
Cards sensitive to ESD By the orange
striP on their outer edge.
·rotect circuit cards like so:
¸·osition the AN/TSQ-73 van so
its doors don't ¹ce radºr transmitter
antennas» Keep the van dooRs shut dur¼
½ng oPra¾on.
Rd
waves ½ncr¿se ESD
dangers.
Àemove any Áoor covering Âom
the van that could produce ESD .µµ like
CarpetÃng or linoleum.
Take of alL jewelr,
liKe Rings oR a watch
12
BeFoRe ge±Ing RepLacement cIRcuIt
caRds FRom tHe spaRes D²weR³ toucH
tHe memo´ cHaSIs oR tHe d²weR.
THat gRouNds out
ESD
µeveR toucH tHe caRd's pins
ĶnstÅll and remove cards
lL±²
l
IL
careÆllyÇ J
Am
g or jerkÈngÉ
cards Breaks pins.
Êemove a circuit Ërd Ìom
its antiÍstatic
container only
when you're ready to plug into
Îe memoÏ chassis. Ðt the old
cÈrcuit card immÑiately in the
new card's contaÒer.
ÓNever tÅke cÔrcuit cards
outside the van uÕLess Öey're in
their anti-static contÅiners.
Op±R²T³R´µ d³n'T L±²n On IT!
AN /TSQ-73 Missi×e MiÕder
teletyØwriters are ending up at
general support because
oPrators are using the
keyboard as aÕ armrest.
That breaks oÙ the
keyboard µµ. and puts
·
the Missile MinÚer
±
²
out oF busiÕess untiL
±
the tele´Pwriter's replaÛÜÝ
Þ
.Zß=àáâ
ã
ä
åæ
çè
!é
êÈnd somethÈng else toëìííîîîïð
ñ
lean on, oPrators.
HAWK Missile .¶·
Loader Accelerator Sticking?
I
Îe accelòraór on the
H W
loader
stickô, eyeba×l õhe acce×erator liÕkÅgò
rö, mechs. When the latch load l÷ter
möÈøcatioÕ
(m¸ 9-14505¹-5º-2)
ùú appûü, ýe lþkage
r
waô ÈÕôÿlü
bacĀÅrds on some loaāers. That caUses
iÕtòĂerònce wiăh ýe ĄąĆL ×eć lĈĉ oUt
so×òÕoÈd.
Ċe acċòleČór čgò rö Ďlt shoU×ā
b
oÕ ăhe right siāò oď ýò rö.
I
Èt's
Õoõ, ròmovò ÅÕā ròÈÕsĐđ ýe röĒ
M³Y 87
13
I
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