PS Magazine - JANUARY 1983
PS, The Preventative Maintenance Monthly
ISSUE 362
JANUARY 1983
maintenance inspections on your air-
crAft in freezing temperatures is· a
nAturAl one, bird Mechs. Fight it! ±
thorough check is important²
³
FOr exAmple, fueL contaminAtioN
´
is
Alwµys a possibi¶ity in
o¸d WEAther¹º
Sure, the truck delivers fi»tered fu¼l to
yOur bird. But if the aircraft is Warm
when pArked, With pArtia¸ly empty
ml
tanks,
co¸d overnigHt temperatures
r
.
wi¶l condense moisture in the tAnks½
•±
f
So,
alwAys
keep
the
fuel
tanks
·' 1
tOpped off²
'l
Refueling in the cold can be A real
¾DAnger because you're ¿ore »ike¶y to
±.²³
\
get ¸eaks in tHe Àea¸s of the refueling
truck¹ ThAt means more danger of fire
.
´µ
_±
TÁe co¸der the Weather, the dryer it
².³´µ -¶· ¸¹º
gets. The dryer it gets, the more stAtic
e¸ectriCity is generated² Âake sure tHe
truck And aircrAft are groundeD, and
the fueà nozz¶e is bonÄed to the bird.
fuel control is capAble of
pumping WaÅer, as Well as fuel, into
the engine.
The rate of floW for fue¶, oi¸, And
·
hydrauÆic fluiD is cÇAngeÄ During co¶D
¶-¸
WeAtHer. ÈIf youÉre using ÊireËresistanÌ
hydraulic fluid, ÍIÎÏÐË83282, Para 4Ñ
2
in TB 55Ò1500ÓÔ34Ë25 gives you the
Õord on cHanginG Öo ÍIÎËÐ×Ø6Ù6.
ÚhAt is, if tHe chart in Para 4Ë1 shoWs
I
»
.
I
²³´ µ
youÛ oÜeratÝng
teMperatUres are loW
engine¹
{
Þhen an engßne is shut doWn in
,\
cold Weather, the heat from the engine
-
Wil¸ melt snoW or ice particles thatget
±
in the engine inlet.
¶
±fter the engine coo¸s, the Water
Wil»
condense
and
freeze
in
the
compressor section. Þhen the next
start is attempted, the tips of comà
pressor álades Will be frozen to the
compressor cAse¹
âemember that ice can bãi¸d up on
the engine inlet screens and block the
floW
of
air²
äyeball
your
aircraft
maintenance mAnual to deteråine if
screen removal is necessAry.
Starting
an
engine
With
frozen
compressor Will
damage
the com-
pressor and starter drive train¹ So,
WheneVer possible, rota_te the com-
pressor by hAnd during a PÂ æaily to
make sure itÉs free. If itçs not, ro¸l up a
ÐermanÒèelson heater and thaW out
that béby.
r1;
y
/
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ì
g
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ï
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7
•.
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¸
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.
3
MORE
,
P
»¼½¾¿ÀÁÂÃ,Ä
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