PS Magazine - NOVEMBER 1972
PS, The Preventative Maintenance Monthly
1972 SERIES, ISSUE 240
NOVEMBER 1972
-
Putting a hat on the RT-500 of your
AN/TPS±25 radar set whenever you re²
move the pedestal is first±rate insurance
against damage.
In this case the "hat³ is the protec´ive
Cover that caps the waveGuide recess and
keeps out dirt and moisture. So remember
to put it on next time around.
If you wan´ your set to keeµ its cool,
the smart thing to do is to remember to
4
o¶e· all the air eXhaust and in take ports
on the components. Take the covers off.
Fact is, if you forget to open ¸he ex¹
haust port on the RT-500, your set won't
radiateº There'» a draft cut¼out switch in
the port which is pa½t of the ground re¾
turn for the
HY
and radiate relays, and it
wo·'t work until you take the cover off
¿he porEº
The leveLing jacks On ´he RT±À00 can
stand a
look
whenever
¸he set is disÁ
mantled .ºº because the screws holding
the threaded portiOn to the base work
loose. And, if the base gets lost, the only
way you can ge i´ is to have support
make itº So if the screws are loose, snug
'em upÃ
Before you Äall a repairma·º
Keep dust caps o· con·eÄtors whe·
theyÅre ·ot hooked up .ÆÆ a·d eyeBall
ÇtÅs bad Busi·ess to ÄoiL the 8-ft ÈÉ-
9Ê0A/U RË ÄoaXiaÌ caBle assemBly i· a
sÍ)1all±diameter loop, such as Î
V
feet
ac½ossÆ
Such Ïight±coili·g ca· dislocate the
coaXial ce·ter co·ductor, and electrical
pe½formance on your AN/TPS±ÐÑ, ÒÎÉ,
AN/ÉSS±Ð, o½
-7
radar sets ca· come
uÓ suBÒsta·dard.
a·y uncaÓped con·ector fo½ dirt and peBÔ
Bles before you try to hook it up. Pebbles
5
tea½ up co·tact pi·s a·d
The cable should be kept st½aight, But
if it has to Be Äoiled, maÕe the Äoil a
COIL
LOOSELy
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