PS Magazine - TB 43-PS-427
PS, The Preventative Maintenance Monthly
ISSUE 427
JUNE 1988
r-±²"
·±Jjl
SB-3614 Switchboard .
.±
Then when you close te
swi±chboard's fon± panel,
±Uck in ²he FexiBle cable
assemblies.
I³ you dOn'², cables will
ge² pinched be²ween ±He
case and ²he panel´
A
µw
pinches and ²hey're goners.
¶e³ore ·as²ening ±he
case, ²uck ²he bel²-like
cables inside.
You migh² give ²he cable assemblies added s±reng±h by pu²±ing a wrap o³ ±ape,
NSN5970¸00¸419¸4291, on ²¹em. THe±ape'sinºouRuni±repaiRMan'sTK»101 ²ooL
ki².
Even wi²h ²ape, ²he cables will ¼² ½nside te swi±ch¾oard ²o head o¿ an acciden²al
\À!pinchÁ
"
1
'
I
ºou
L
up wire •nd "ÂblÃÄ, you
'U
gò
±
or
²Ån mixÃd
l
cÆrcuiÇÄÁÈ
y,
,
I
swi²chboard wiÉl give you ²he silen² ²rea²men².
Êike when ²he nigh² alarm re±aining nU² is loose Ad you ²ry ±o ²igh²en i²Á
I
you're no² careËl, you'Ll ²wis² ou±
±he wires, knocking ou± ±he audible
alarm as well as o±her circui±s.
Ìven ±hough ²¹ere's a keºed base on
²he alaÍ, ²he no²ch on some o³ ²hem
can Îil ²o ca²chÁ This le±s ²he alarm,
wire and all, ²uÏ, which ²ears ±he wiriÐg
apar².
To make sure ±he alaÍ won'² ±UÏ
while ²igh±ening, open ²he swi±chboard
and hold ²He alarm base in place, ²hen
±igh±en ²he nu².
20
alarm
base, then
tighten
the nut
JUN
88
Hold 'Em Up With Hangers
i CN
KEeP up
wr
YOu!
No±hing bea±s a skº hook ³or s±ringing wire and cable, bu² since ²hey're in shor²
supply righ² now, yoU'lÉ have ²o se²±le Ñr overhead hangers. Òne abou² every 50
Óe² o³ wire is needed.
nsn
5975-12-120-0691 is forthe hook
that'll handle up to six strands of WD-1
field wire.
nsn
5975-12-120-5288 will striNg oNe
spiral-4 or 26-pair cable.
nsn
5975-12-120±5289 wiLl hold one
spiral-4 oR 26-pair cable aNd serve as a
strain relief.
jUN
88
21
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