PS Magazine - MARCH 1979
PS, The Preventative Maintenance Monthly
ISSUE 316
MARCH 1979
.
± d
²
wash ou
r
Oear
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;
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in
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t
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ter
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h
It's
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T-55
eng
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nes
a
tioN
CHinook
± tenanc
e m
s
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ec
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ed
e
³gine
PHase Mam
e
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erha
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we Had
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en
a
n
s
"dirtµ¶
o,
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written u
p
±
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ressor ¸
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Dear Specialist
L. B±,
Y
he
a
go PInT ONLy
t
T-
E±GiNe
h
A
requ²R³
50H
C
aN´µ¶
c.
·ara
3±44
iN ¸M
²²³284´³234±24/1
(AU¹ 71) Nails dºwN tHe wasHiN¹
reQUiremeNt fr Yºur
t³²µ.
¸He cºmpressºr Nee»s cleaNiN¹ ºNlY:
•
¼F tHe eN¹iNe perfrmaNce decreases;
•
I
½x¾¿sÀ
g
temÁaÂrà ÄÅÆÇeÈÉÊ ËÌaÍÎÏÐ ÑÒÓiÔÕ Ö×ØÙal ÚiºÛÜ
•
¼Ý tHe eN¹iNe Has beeN ºperatiN¹ iN salt-ladeN air.
'Þºurse, tHe idea beHiNd ·Hase MaiNteNaNce is tº save time, resºurces ß.ß aNd
tHe aircraÝt!
²0
Nut not NeedeD!
Dear Windy±
³M
55-2840-229 23P (Sep 76)± Fig
68± indicates the 153²L-³3 ·engine
inlet guide vane actuator feedback
tube is connected to the fuel control
Arm by a wAsher stackup and cotter
´in.
Yet± in the pAµt± A¶ of our Cobras and
Hueys have had a nut aNd cotter pin
insta¶ed¸ REplaceMent engines from
the depot sti¶ coMe thru with thiµ
¹
µetupº
-
L.
_
±
²
¶·¸_
¹º"»¼½¾¿À
I
the nut is torqued± there iµ a
àáâr Serãáâäå æç Wç èéê
´ossibility o» the inlet guide vane
ëeìí îäïáeï!
actuator binding at the arM and
ðñáreòs Báeä sómá cñâä¹es ma»e at
causing a guide vane actuator faI¼ure
åñá ïeôóåç ðñá drawîä¹s ñave beeN
in either the open or cloµed poµition½
õöârîÝîáï åó õaöö ݺr ÷Use óÝ â äøt ºNlù ºä
So± we went by the book and reMoved
the nut¾
åñá ð53úèú15ê û70ü1ê âýï 701þeNãiNesç
¿re we right± Windy?
A1²
³
SSG
E´
W. L.
,±
(
c.
ch:
s
y!
•
.
'r
!
.
Wñeä eäåárîäã âäï öáâVîä¹ åñe ÿóBrâ ãøäìñĀôê ùºU re lóºkāä¹ Ýºr a
ñâäïñóöĂí rî¹ñå?
OKµ
BUå Bá õâráÝøöă
ĄáVer ráâõñ ݺr åñe îNåerõóääeõåîäã öîäeì óÝ åñe õâäóôù remóVâl ìùsåemç
ëóUòöö såráåõñ åñe cºrïí aäï åñe õaäºpù ąóäòå Böóą öîke îåòì ìUpôºsed åºç
Ćć
NolÁNo!
ðĈá öîNes sñóøöï Bá ráĉõlamôáï ºä
ùóUr ÿóBrâìê áXõáôt ݺr åñe ôróïUõåîºä
Ċ ċóïeöê åó áöîmîNaåe å_ñe åámôåâåîºäç
ðñâåòì åñá ąórï îä ðSþČÞčċ
meìsâãá DČĊðĊûċæĎ 19195ďZJĎĄ
78é
MeaäąñîĐeê åake a secóNd åº öºcaåe
åñe próper ñaNdñºödç
²1
±
I
J
1
i
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