PS Magazine - JULY 1984
PS, The Preventative Maintenance Monthly
ISSUE 380
JULY 1984
Temps are edging towards 90°F in
the
shaDe .
.± and
there
is
no
shade ±±. except inside your stEamy
RATT rig.
You think you've got it rough, right?
minutes befOre trying again. That gives
How about your radio set? It²s stucK
the amplifier time to let of³ steam.
away high in a corner. It's ´ighting the
• Be sure you have the antenna con-
same heat you are ´rom the outside,
nected beµre trying any tuning ¶r
plus aLL that being buiLt up inside.
transmitting. MaKe all antenna connec·
Since it's your job to Keep it cooL and
tions tight and corrosion·free. Without
on the air, heed these heat·fig¸ting
a good connection, that RF power
hints:
you 're sending out can be reflected
•Tune and Load by the booK. TM 11¹
right bacK, heating up (or burning up)
5820º520¹10 gives you 2 minutes in
the amp.
TUN» to maKe your adjustments. If
.
-±
²
³
´
you don't ma¼e it, turn the service
seLector switch to STAN½ B¾ µr 5
Set switch to STAND
BY
for cooling oF
44
• Be sure your amplifier bLower is
blowing¿ If it²s not Keeping your radio
cooL, heat builds up ÀstÁ
JUL 8±
TA-312
RIµG¶µG .·
• ÂeeP Ãaper, puÄs, coaÅs aÆd oÅher
Çaterial oÈf ÅÉe radio anD away from
ÅÉe blower iÆleű
• Âeep Åhe radio seÅ clean± Go over
Åhe set daily ÊËÅh a sofÅ, clean cloth Åo
Êipe oÈf dust anD moisture. »ven a Åhin
layer of dÌst caÆ raise the oPerating
ÅemPerature of your set.
• Finally, if yoÌ woÍÎt be using yoÌr
radio set fOr an hour or so, switc¸ Åo
ÏTAн B¾. If you 're going to be oÈf
Åhe air longer ÅhaÆ thaÅ, go ÅhroÌgh tÉe
shuÅÑDowÆ Drill±
Seeing is Believing
Dear Macon,
Our unit often has many
phones in one location. When
one rings± it's sometimes hard to
tell which one it is²
Is there a light we can add to
the TA-312 to show us which one
is ringing?
MSG L²W²T²
Dear Sergeant
L. W. t,
Yu bet. Try a U-184 connector adapter, NSN
5805±00±708²2203. See page 248³
FM
24-20.
´e neon light indicator is part of the SBµ993 switch¶
·oard¸ ·ut works Fne with FeLd phones.
Just cut away an inch or so of in¹ulatioº »Rom your
Feld wIre¼ ½un the wire through the U±184 to the
¾312 's ·inding posts¼
·
One caution. ¿ou can get a shock froM the inÀ
dicator's maLe pLugs.
a
quick wÁAp of tape gives you
aLÂ the insulation you need.
JUl
8
²5
¸ ¸¸ add
tape
here
l
\
j
·1
:.I
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