PS Magazine - TB 43-PS-439
PS, The Preventative Maintenance Monthly
ISSUE 439
JUNE 1989
UH·1 .
..
o
h
me hings you can do without Huey
mec aMcs. One is an
MC I
E
·
-
rate gyro
ng±eers decIded t²at
t
.
weren't very usefUl on ²
r
ra e gyros
t²ey ordered th
b
e ³copters, so
´F
.
ey e removed.
yoµr b³rd still has an
MC I
gyro,
NSN 66±5-00²768²50±9
¶
ra
±
e
oF it. Here's ²ow·
, get Nd
Re¸oVe t¹e rate gyroº s F
in
o»r ¸ount¶
¼
g screws, t²e connector and t²
¼
½g
T
²
e
Wlf-
¾
¼
ras T²e connector and tµr¿ t²e
gyro ½to sµpply.
PerFor¸ Ànctio¿aL c¹ecks
²
pilot's and coÁiLot'
.
.
o¿ t e
Lik
¼
¼
p
s att³tÂde ½dicators
e ³T says ½ Para
8³´96
oF
Tm 55
´520²2´0²23µ2¶
µ
¸¹
Jun º»
cH¼4½¾ .¿.
Work
Aid for
OrIveshaF
AdaptER
Dear Editor,
Gr±ase and diR cauS our ChiNOok's To²
a³d tra´smiµµioN
adapter assembly to lock up. ¶o w· remove it and pulL a sPecial
inspection eve¸
ÀÁÁ
Hours to cHeck Tor corrosion¹
ºhe probLem is »hat it¼s Heavy and hard to reMove¹ I've seen s½me
mecHanics Pound tHe asµembly oUt witH a Hammer: B¾t WHen you
do that¿ you can Hit and dAmage the cooliNg Tan¹ ºHen Y
ur bird¼µ
down T½r rePairµ¹
¶o I got ½ur machine µhoP to make us an adaPter Puller that
µimPlifieµ tHe whole operation¹
ºhe only materials you need are
À
µteel plates¿ a steel r½d¿ a roll
pÀn aNd round steel stock.
Áere¼Â How to make tHe Work aidÃ
SLIDE HAMMER
%" stel plat±
Â"x
Â"x
Â"
\
5² st±±l
i
plat±
round stock
214³´
x Ã"
knuµl±d
Ä
hol±s spac±d
¶·¸ apaµt
to fit adapt±µ
ass±mbly
Äe µure to µand ½r file all µÅÆrp edges beFore uµing tHe Çork aid¹
ºo use tHe Work aid¿ bolt it onto tHe adaPter assembly using the
driveshaft b½ltµ ½r tHe cÈuPÉing b½lts¹ ºHe´ use Êhe slide Hammer
to Pound the adaPËer aµsembly loose. It¼µ a wholÌ lot easier tHan
tHe Way we ¾µed to do ÍtÎ
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