PS Magazine - JANUARY 1983
PS, The Preventative Maintenance Monthly
ISSUE 362
JANUARY 1983
Dry
'em
Out!
are you airplane drIvers
won't get temporary duty to Corpus
ChristI Army DepOt. ±f you did, yoU²d
notice that a LOt of engIne housings are
scrapped because of internal corr6-
s1On.
The InLet housing is vented to ambI³
ent aIr, sO MoIsture routineLy
·
enters
the internal passages in the nose sec³
tiOn, eatIng away at the unProtecte´
1
Use De-Ice Switch
&
•
O
every
engine start, move
'
the de-Ice switch from
OFF
to
ON
;±²³´µ¶.·=¸¹'
º»¼½¾¿r
À"ÁÂÃ
The operator's manuals caLL tHi
oU± aS part of your engine runup.
a coMpressor
²eave
³
the
´
µwitch
ON
uNtiL you
get a ¶Se In turbine Gas teM·
perat¸re¹ ºot only wilL
YU
be
chEckIng o»eration of the De¼icing
vaLVe, Y½u
±±
aLso be circuLating
hot ¾ engIne air into the nOse
sect10¿ pASsAges to dry theM ouÀÁ
•
RIgHt aFter a bird is tÂwedÃ
f!oM ÄHe wash rack to the fLigHÄÅ
lInEÆ
follOwinG a
coMpressor
waSh, dry ou± that baby.
TÇe inFo on Page
2-1±
in TÈ
55²2840³229´23,
on
the
T53
ÉngÊne, sayS to run it at fligHtË
ÌÍle
a
m²nimum
of
2
MiNutes
wÊth the de-icing switCH
ON.
±
NeVer Haµmer on ¶hE o¸¶pu¶ sH¹f¶
ºf the shaf¶ sp»¼½es ´o½¾t µesH wº¶H
Rf±
²
³
´
-µ
³HafT
gEÎÏ
aNd .
..
WHen You ¿55 E½gIne mecHs pULL
¶He OVErsPee´ ´rºVE GEar ¶ee¶HÀ ¶HO.
¶hE hO¶Áe½d º½spec¶¼o½À use on»y Han´ J¸s¶ ro¶a¶E ¶He shaft fOr a½ eaSY
PresS¸re whe yo¸ º½s¶a»L ¶he power
sHaft. A »ot of damaged
govÃrnor overspee´ drIve gears are
Äake sure ¶He tOrqueµe¶er s»eeVe
Be¼ng repLace´ during eng¼ne over-
a½´ sHo¸»´er ´o nOt cO½¶ac¶ a½´ ´aµÁ
haul.
age ¶he OVersPee´ ´rºVe gear. Åee ¶He
ŸreÀ º¶¾S ÆK tO uSe a½ ¼mpact Pu»Ler
ÇAÈTÉÆNÀ Êara 9Á29Of¿Ä 55-2840Á
¶O reµoVe the sHaftË Ìou a»sÍ use tHe 23Î-2Î/2Ë Tϼs к»» hE»P c¸¶ ´Oн O½Ñ
Pu»ÒEr to a»i½e a½´ ¼ns¶aL» the sHaft.
expE½sºVe gear rEPÒaceµe½t.
²
´
_
,
±
-
²
³
´
µ
¶·p
=
eM F¸g
¹"
º
t
fu
»¼½¾
rÓ»>
Ô¼½ >Ïo" >ÕPpLYÀ BºFÖ
;±
supP»y a½´ se½´ a½Y of these fue» co½troLs tHa¶ maY ½ee´ r× Pa Ør ¶O ÙO¸R s¸PPÚRÛÜ
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