PS Magazine - MARCH 1975
PS, The Preventative Maintenance Monthly
ISSUE 268
MARCH 1975
The
way to rotate youR Kiowa and
Cayuse main RotoR blades on a pre-figHt
is FoRwaRd, hot piLots.
That 90±degRee² leFt³to´right action wilL
pRevent
any
attempted
start
with
the
µladEs tied down. ¶light and maintenance
types can also heaR any unusuAL noises
·
in
the poweR tRain¸ without Rotating the en¹
gine.
Whºt about
N2
hang»ups? IF a tuRbiNe
is stuck due to temperatuRe changes be¼
tween the tuRbine and suppoRt½ Let the
engine cool seveRal minutes aFteR shut¾
Down¿that'll FRee ' erÀ
Áotating the µlaDes BackwaRDs will FRee
the tuRÂineà Äut you coulD Damage eÅGiÆe
paRts because oF the tReMendous FoRce BeÇ
ing applied thRu ÈlaDe LeveRaÉeÊ It's not
worth the RisË.
YouR check FoR an
N2
hang»up is iÅ tHe
opeRatoR's manualÌ IF the main RotoR is not
tuRning Ây 30% gas pRoDuceR speeDÍ aboRt
the staÎt and eyeball the engineÏ
N2
hang»ups aRe FadiÐg out oF the picÑ
tuRe. OveRhauleD engines noÒ have redeÓ
signed components which increase coolÔ
ingÏ
Õny time yoU CobRa and Öuey mechs Remove
main
a
tRansm×ssion
coVeR or
adaPterØ
thinË "cLean.Ù
TRaÅsmissions have been contaminated duRing
shipMent,
and
the
gets ÚaMagedÛ Those babies donÜt come cheap!!
·
So² when youÝRe pulLing a tRansmission or getting a bird ready For shipment, maËe
suRe the top oF tÞe tRansmission and the surroußding area are cLean beFoRe you in¼
seRt the cover.
Tak
a
teàá âãsäåoæ
with
y bcAse
H
çs èo
pT
éis sêaë
of
ìí
aî oï tð
mañò reMoóaL aô coõeö ÷nñøLùaúioûü
ýyebaLL the cover þor ReaL.
the Rubber pad and the Òood or MetaL part oþ the coverÛ
/
Then, boLt the aÿapter in pLace.
YoĀr Tā ÒiLL use a decaL or seaL, Òith his inËed stamp or initials
I
inĂ, on the covă
er and tRansmission to ñignĄą yoĀĆve done it up right.
ć
53
1±
²'
.I
I
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