PS Magazine - TB 43-PS-428
PS, The Preventative Maintenance Monthly
ISSUE 428
JULY 1988
Power
SupPly .±²
Guarding the Pp-7442/± SwiTcH
Dear EditoR
Loss of com mo between an air t±aFic control²er and aN aircraft's
·pilot can be fatal. That's what happens if the contro³er accidental²y
bumps the control switch on the
³³-7442/G
power supply in the
A´!TSC-61 B µght coordina¶on
control central with his leg.
We c¸me up with
_
a protective
guar¹ for the sºitch to prevent
that»
ProtecTive cover
in place
Make the gUard of steel sheet, usiNg these dimensions:
\MIn. R±YP
i
L
1/"
±16
(Editors nOte: SOunds lik± yOU've
gOT ²he si³uatiOn weLl guArDed.)
'
´8
%"DIa²
2
Holes
BenjamiN
T
Walker
Edward
F
¼im½k
¼obyhaNna Army Depo¾
JLµ88
±-²³=´:
_,±'-²³´
:¶·;¸¹º=
»¼½¾
I
Befre you hook up the CX-10762
.µ¶·¸
¹º»¶
¼½¾¿ÀÁ
ÂÃÄÅÆ
poweR cable to youR T±983 ( )transmit²
teR, heed this wa³ing:
Do not connect the look´alike 115
VAC connector to the
OW
(ordeR wire)
receptacles!
The power cable conNector wilL
f
onto either one iF you FOrce it.
But iF You connect the connector to
the
OW
receptacLe, the 5Tµ1A5 ampli¶
·er monitor p¸nel Will get damaged¹
Put tape, ºSº 7510-00-550-7126»
around the poweR cable and undeR ¼e
receptacle to clue you to put only ½hese
two togetheR¹
³´µ and
here for
hookup ¶D
bad co¾ection's been Made¿
J²=³´µ¶·¸¹º»3
•
Co¾ect the cable to tHe
HIGh
jU¿88
positions
Watch for needLe
to move
49
right receptacle¹ Then,
tm
the radio on¹
±
TU
m
the tR¸nsmitter
iÇ
put control knob Fully
coUnteRclockwise to
LOWÈ
•
Set the meter switch in
the 12 CÀ PCÁ,
ÉÊ
CÀ
PCÁ and ÂDÁ positions¹
I
yoU see a meteR Reading
in anY oF tHese settings, the
panel is damaged¹ Get YoUR
Replace tHe
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