PS Magazine - TB 43-PS-427
PS, The Preventative Maintenance Monthly
ISSUE 427
JUNE 1988
AN/GRC-122, ±142 RAT Rig .²²
Keep Air Flowing
±²
DON'T BLW YoUR C±²l !
.³ \AI £)PE´SiVr
1µc¶n·¸ G
¹º
Ke»p
YO(r
n8 oP§³´
Your radio teletypewriter set needs a steady fow oF air to keep inside temPera-
tures down.
No matter what the weather's like outside, your radio wiLL put out enough heat
to do damage±
High inteRal temperatures buM up your AN/G²C³106 radio set or a ´´³4763
power suppLy±
Keep the temPeratUre down by leaving the
sheLter door's inlet cover open± OPen the cover
wider in the hot season±
Also, make sure exhaµst vents behind the radio
or power supply are open a¶d ·ee oF rags or
clothing± Those vents a¸Low the hot air to escape±
Keep the radio set's heat eXchanger cLean, like
it says in the ´¹CS oF T¹ 11º5820»520»10±
Keep exhaust
cleaµ ¶f µa·s
¶µ cl¶¸hI¹·
JUº »¼
I
¼
¼ou haven't done it lately, take time right now to cLean the hoLe in ½he radio set's
anten¾a base± Clean it with a match stick or too¿hÀick±
That hole is the only way out FÁr moisture ¿hat can bµiLd up and rUin ¼our set±
AN/½RC¾6¿ RÀdÁÂ SEÃÄ ÄÄ
EtchinG Mak±s FReqs StaNd Out
IF ¼ou' re not making your mark nowÂ
¼ou may have troubLe presetting ·eÃ
qµencies later±
Switch numbers on your ´erk³68
radio wear away with use, leaving you
gµessing where to set a switch±
YÄu can make etch marks on the ÅreÆ
quency, anteÇna coupler and transmitÈ
ter switches beÉre Êe numbers wear
o˱
Ìake an etch mark on each module opposite the "OÍ on ¿Îe diaLÏ
By marking your radioÐ you'll always have a reFerence point Ér presetting ·eqs
aFter the paÑnt has Long gone±
JUº »»
23
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