PS Magazine - TB 43-PS-440
PS, The Preventative Maintenance Monthly
ISSUE 440
JULY 1989
l
UH·1 Huey .±²
\ Aid
Helps Adjust Swa±hPL²t
e
w
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r
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d
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ust his b1r
EdiTor,
.
ho
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.
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Oear
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H-± m
echan1
.
c w
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ons
listed in
F
1g
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ence
it
can
be
³
AnY
to
the
d1m
ens1
t a trying
e
x
perI
sw
ashpLa
³
´
-
2
3
-
2 know
s w
h
d that heLps som
e
³
3
x
³2
inches
µ
55
-±
5
2
0¶
.
ated a w
ork
a1
thick
aLuminum¸
But Rve fabrIc
of
´5
´
-in
d
Piece
·
Vou
nee
a
Make iT Like so:
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r
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ork
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e
theLe¹and
the nuts on
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Loosen
t
horn
Inse
hpla e
º
right sw
as
.
nder the
»he w
ork
aId u
g
dow
n
The
nd snu
w
ashers a
ou¼re ready to
½
nuts
³
NoW
y
hpLate pos1
-
check the
sw
a
µ
¾
ara
±±-
55
g
L¿ke iT says In
tion 1
of the ²M
³
ÑÑ5
Harrison
Oarre
µ
wÒ
ÀesT Send¸
(ÓDÔTÕÖ'× nÕTØ: ÙÚAnÛ× fÕÖ TÚØ TÜpÝ)
JUL 89
ÞHßà8 áâÈãä ²²²
ome Kiowa mechanIcs Ae stIll
overfillIng the taIl rotor gearbox with
lube oIl and oVergreasinG the bearing
inside the pitch control mechanism.
The results are all bad.
When you oveRfill the Gearbox, ex-
cess oil runs dowN tHe output shaft dur±
ing operatIon and gets Into the trUnnion
and TeFlon bearings.
So, when you add oil to tHe gearbox,
allow a ²w seconds ³r the oil to
stabIlIze be³re you read the sight
glass. ´f MWO
55-15µ0¶µµ·¸50-µ5
has
åæµ çµåPèéêéë?
JuL 89
39
already been completed oN your bird,
add oil to the indicator line on! y. ´f the
MWO has not been applied to your
bird, add oIl until it's
¹º
Inch above
the indIcator line.
åæµ ìµê çµåPèéêéë
WHen you use too much grease on
the pitch control mechanism bearing,
´tem
1»
in µig
5-4·
of TM
55-15µ0-
µµ·-µ¼½1,
It gets into the boot, ´tem
¾¿À
The boot ¶ills wIth Grease and
pumps it RIgHt into the ge·rbox a¸d
contamInates it.
So go easy witH the grease. OK?
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