PS Magazine - FEBRUARY 1986
PS, The Preventative Maintenance Monthly
ISSUE 399
FEBRUARY 1986
Remember to use only anti-static
them into a drawer. You'll break or
material to pack your circuit carDs.
damage capacitors, diodes and otHer
Using tHe plain recloseaBle, interlock-
devices mounted on tHe board.
ing fstener bags is a no±no. Use oNly
Install and remove cards careFl²
anti±static bags. ³S³ 8105´01µ¶197±2965
ly. Pins get busteD wHen you jam cArds
brings a 12·in square bag. ³S³ 8105±
i¸ or give tHem tHe ¹at oº your HanD to
01±197±2966 is 10 incHes square.
seat tHem.
»
Put only one card in eacH fst pack.
At
SHut down your equipment be¼re
½ouBle up and tHe cards will damage
eacH otHer.
Give your st¾tic protectors a cHance
to do tHeir Job. Keep your conductive
mat clean oº dirt and otHer Debris tHat
migHt insulate you ¿om tHe mat.
You sHoulD also make sure your wrist
strap is att¾cÀed to Bare grounDEd metal,
not paint.
You migHt want to suggest tHese same
ÁS½ protectio measures to your supÃ
port sHop (iº tHey aren't already using
tHem). Ä circuit card tHat's zappeD in
tHe sHop won't work in tHe Åeld.
½eal all carÆs a PM Hand. Çere Ère
some rÉles to Êeep
i
miËd any time you
HanDle one:
ÌUse your wrist strap.
installing a carD. Likewise, bring your
Í
Çandle circuit cards only on tHe
sHelter's power source up to speed
eÎges. ½irt, grit and natÉral Ïkin oil can
be¼re turning tHe cOmmÐ gear on
louse Ép printed circuits, too.
again.
Ñ
³ever stack cards or just tHrow
Ò
Use card cell covers. Ónce you've
instaÔled your cardsÕ reÖlace THe gear×s
cover. WiØHout it, cards can Jiggle loose,
giviÂg yoÉ a Öoor conÂection.
44
FEB 86
TD-±±0 Mul²IpLexer .³´
Of the Rack, on tHe SHelF
Ùorget THe balancing act ÚHen you slide tHe multiplexer out oº its ij/ÛRCÜ145
radio terminal set rack.
Use tHe sHelº.
³ewer Ûrack±145's (serial number 47 anD HÝgHer) Have tHe sHelº. You oÞrators
and unit repairmen don't Have to balance tHe Û½±660 on tHe racÊ's eDge wHÝße
you Handle tHe cables and worà in tHe back.
Ä 50±lb multiplexer can be quite a load. Iº you lose control oº it, tHe ±660
can taÊe a beating on tHe sHelter's ¹oor
·
±
.
²
aáer it tears loose âom its connecting
rtln
.±
cables.
Use tHe sHelº. Iº yours is damaged or
missing, replace it witH ÙSCM 80063
P³ SC½681135ã ÓrDer on a ½½ Ùorm
13µ¶·¸
ÚäåH
R¹C
oæ
º»¸¼
Iº you're worÊÝng on tHe Û½±660's
plug-in panels, use a ligHt toucH. çe¼re
you pusH tHem in, be sure tHe guide pin
mates witH tHe case rèceptacle.
WHen you've got all tHe panels
seated, replace tHe card cell cover. It
àeeps tHe panels seaté. It also Holds dirt
and moistÉre out oº tHe case.
PuT ²D-660
on
The sheLf
F½b 86
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