PS Magazine - OCTOBER 1984
PS, The Preventative Maintenance Monthly
ISSUE 383
OCTOBER 1984
Getting a Handle on RT's
Dear Macon,
SMART Message No. 36
tells us to put MWO
ha±dles on all RT-524 and
²246 receiver-transmitters,
including the A models³
Trouble is, the A model
with handles doesn't
always fit in the MT²1029
mount´
What gives?
SSG
J.E. H±
Dear Sergeant
j² e³ h,
No sweaT, Sarge. Some
handles were jusT -creaTed a liTTle
more equal than others±
²at is, some assemblies will
overlap The side of the
RT
by a
fracTion of an inch±
A
litTle Fling or grinding
(Using tools ³Rom The No±
1
or
2
Common shop seTs) cuTs The
handles down To size´
Feed ±T-76 from Top
The middle of a message is no time For main±enance.
Keep your teletYpewriter's paper tape rolling bY loadIng It so It ²eds from
±he ±op of the reel.
³f ²d ´rom the bottom, tHe tape can jam up on the tapE-ou± alarm lever. ³t
quits feeding and You quit puncHing or tYping.
AN/VRC-12 Alinement
TM 11µ5820µ401¶20µ1 and -2 left out an item in ±heir PMCS tables. Make a
note ±hat once a YeaR, oR when You ·irs± pU± the radio intO service, You mUs±
send ±he receiveRµ±ransmitter or aux receiver to DS f¸r alinement.
¹ha± info wilL be added to both pubs.
46
OCT 8±
AS-1729 antenn± .².
Tighten ²he Ri³g
±
When tHe tHReaded Ring InsIde YouR
antennaºs AS-»730 element comes
loose, You could be a 3-tIm¼ los¼R.
½IRst, You lose contact. THe rIng can
bac¾ out ¿R enough to ¾eep tHe eleÀ
mentºs spRIng contact fRom matIng wItH
the ÁXµ6707 matchIng unItºs contact.
Second, You can los¼ a matchIng unIt.
³f the RIng comes out too ¿r, It lets tHe
Horseshoe
contact
Spring
contact
RIng
backIng
out?
hoRseshoe contact screws Rub on tHe
noRmal vÂbRatIon can sHa¾e
loos¼.
Ãp¼RatoRs should eYebaÄl the antenÅ
na dailY. Æoo¾ f¸R tell-tale Red be±ween
tH¼ antenna ¼lement anÇ tHe matcHIng
unIt. THatºs the È-RIng. Áost aRe R¼d.
³f You can see it, It means the thReadÉ
eÇ RIng Has alreadY come Äoose and Is
VIsIBle
0-rIng
meaN±
trouBLe
matching unit Insulator.
keeping the 2 contacts from mating.
Ãnce the metal coating is gone from
ÃRg sHops should cHec¾ ÊHe rIng dur-
SCratChed
INsulato² KO's
matChing unIt!
ing Its quarterlY PMCS.
³n eI±HeR case, iË the Ringºs loose,
tighten It up. A n¼edlenose pliers, spanÅ
ner wrench oR scRewdriver will do the
Job.
Avoid shoRtcuts li¾e Just overtigh±enÌ
that insulator, ͽ power is reflected to
ing tHe AS-1730 on tHe matching unit.
tHe Receiver-±ransmi±ter.
ThÎt adds ±o the grinding on the Insula-
Ïou lose agaIn.
Ðor. ³± can also brea¾ tHe hoRseshoe
The solution? Keep the ring snug.
contacts.
OCt 8±
47
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