PS Magazine - JULY 1974

PS, The Preventative Maintenance Monthly

ISSUE 260

JULY 1974

PS Magazine - JULY 1974 - Page 22 of 35
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HEAVE HO, WITH CARe
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³' ´µ
-
When you-SEminolE (U±8) typEs stow
gEar or suppliEs in thE baggagE compart²
mEnt givE tHE transpondEr sEt, AN/ APX±
44, somE room, wilL ya?
THE RT±494 is mountEd on thE storagE
shElf whErE it can Easily gEt b³´iEd. µhEn
that HappEns, tHE air inLEt is blockEd oF
and thE motor will HEat up and sEizE. Your
bird is groundEd for unschEduLEd maintE¶
nancE·
KEEp your I¸¸ in businEss by sEEing
that thE air inlEt and air outLEts arE ¹ot
bLockEdº
thAT T±RELESS NOSEwhE²L
If you want to usE a "»¼½ICOPT¼R¾
tirE on thE nosEwhEEl of your U/RU±8 or
U/RU±21 ¿xEdÀwing, it just may bE in thE
cards.
ÁomE tirEs wÂth spEcs for ¿xEdÃwing usE
wErE mistakEnly markEd »¼½ICOPT¼R
on thE sidEwall. And, o' coursE, para 1Ã13
oÄ Ch 1 to TM 55±2620Ã2Å0±24 (Nov 72)
Äorbids tHE usE ÆÄ a hELicoptEr tirE on a
¿xEd±wing bEcausE choppEr tirEs carÇÈ
lEss undErtrEad·
ÉowEvEr, if youÊvE got tirEs with thE
Äollowing info on thE sidEwalL, thEyÊrE OË
for thE ÁEminolE and UtE:
6¶50·¸0
¸0 PR
TubelEss
GoodyEar A±rcraf
ThE tirE must bE of 1973 maÌufacturE,
no othEr yEar. ThE sErial numbEr contains
thE Julian datE in tHE ¿rst 4 digits .·· thE
¿rst numbEr rEpÍEsEnts thE last digit oÎ
thE yEar, with thE nExt 3 numbErs indÏcatÐ
ing thE day of thE yEar· Ñor ExamplE, 25
DEc 70 is 0359. Para Ò±20a Ó6), TM 55±
2620±200±24 carriEs thE word on manuÐ
facturing datEs·
Ô Lot of tirEs on thE ÔÍmyÕs big biÍÖs aÍE
bEing r×jEctEd bEcausE tØEÙÊrE thougØt to
bE LEaking air.
CÚancEs arE itÊs not thE tirE thatÊs
ÛEaking.
ThE OVÃ1, U±21, C»Ã47 and Ü»ÃÝ4
tirEs arE mountEd on a spLit whEEL witØ
an o±ring packing bEtwEEn thE innEr and
outEr halvEs.
WhEn appLÞing a soapÙ watEr soLßtion
around a sàspEct tirE youÊLL gEt smaLL
bubblEs from tHE vEnt hoLEs .
.. thaáâ
ã
¹oͲ
maLä THE vEnt hoLEs rElEasE aiÍ trappEd
bEtwEEn thE pLiEs of thE tirE· åhE tiÍE
doEsnæt LEak.
If you pLungE tHE whoLE whEEL into
watçr, tho, you may sEE LargE BßbbLEs of
air Escaping from bEtwEEn tØE wèEEL
haLvEs ·.
. thatÊs not normaLé
¹º
·±'²³´µ¶
Q
ThE problEm is not a LEêky tirEëBìt a
í
LEaky î±Íing packing.
ï
Which is why you ÔiÍdaLEs wØo moßnt ð
tiÍEs want to usE a nEñ î±ring on EvEò
mounting. ÔÛso, bE surE thE groovE is cÛEan
so thE î±ring sEats compLEtELy.
A good mounting óiLL savE a
unnEcEssaÍÙ tiÍE cHanging·


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