PS Magazine - TB 43-PS-414
PS, The Preventative Maintenance Monthly
ISSUE 414
MAY 1987
[,
1:±²
! I[
I
Tower Antenna .±
Double the Height
I
We've said it befre, and wE'll say it again .
..
,-lW²
.
.. B± CAR±FUL OF ±L±CTRICAL DANG±RS when you're
putting up mast or tower antenna.
²³ you don't-and the an´µ¶nna ³alls against
a power line-ZAP!·you're gone. That happened recently.
¸on't let it happen to you.
Be sure there's plenty o³ room between
the Mast and any power lines. Stay at
least twice the height o³ the antenna
away ¹ºom the lines.
To jog your memory next t»e you set u¼ an antenna,
put a w½ng label on the mast.
Get the label with NSN 9905¾¿À511Á8751.
²t's authorized by SB 11Â614 (Jun 67).
Don't seà up an antenna
i³ there's a hint o³ an
electrical storm. You
could get zapped by
lightning. Keep away ºom
A
the antenÄa until
Leave the balancing acà to the circÅs clowns!
·±
-²³´´µ¶µ¸¹º»¼
the storm's pass
.
When you pÅll a TDÁ660 mÅltiplexer oÅt o³ its AN/ÆRCÁ145 radio terminal set
) ,.
.±
J.A ±²³´µ¶
½,¾
.±
²
³
A
A I\
´
rack, Åse the sÅpÇrÈ shel³.
"'
·
r
'
-±²
There's no need Ér yoÅ
'
•µ¶
,
¿
²³
oÊËÌÍ Înd Ïit Ðen
Pu³ ´Dµ660
4' ÀÁÂÃ
to balance a 50Âlb mÅltiÁ
on
³hE shELf
plexer on the
Ñ
racÒ's Óge
while you haÔdle Èhe cables
and work in the baÕk. PÅll
it out Öd set it on Ãhe shel³.
Newer
Track×Ø45'sÙ
sr
nÅmÚr 4Û anÜ higher
Ýhave the shel³.
IÞ tHe shelßs daMaged,
replace it. ²³ yoÅ've got an
older à/áCÁØ45 withoÅt
a shel³, add one. OrÜer on
U¶·¸¹º
´
•»
a DD âorã 134äÁå ÅsiÔg âSCæ ä¿63 PN SCDåäØØ35 ºom RIC Bçå.
IÞ yoÅ're working on the mÅètiélexer's élÅêÂin paÔeès, Åse a ligHà toÅchë Befre
yoÅ pÅsH theã in, be sÅìe the gÅiÜe piÔ Mates wiÃh the case receptíÕle.
Wiî all the éaÔels iÔstaèleÜ, reélaÕe the ºïnà Õover.
I
keeés tHe paneès iÔ élace.
The cover also keeés Üirà ÎÔd ãoisÃÅre oÅà oÞ the caseð
48
MAY 87
ÄÅ
i
GE³ ¼½RNiNg L½bEL!
l
CaUTION
0
tHiS EQuÆPMEnt SHÇLL Èot BE
µ
ÉNsTalleD ClOseR ThaN TWÉce
itS HEÊGHt FroM PowEr LÆnES
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