PS Magazine - OCTOBER 1979
PS, The Preventative Maintenance Monthly
ISSUE 323
OCTOBER 1979
±²
,
)³'"´
I(
l
Try these PM Tips
Never attempt to defrost a cold
When pre-heating an engine, keep
I
windshield with hot water. The rapid a fire extinguisher handy. Never
tempera±ure change will crack it. ±ouch bare metal unless you have
Plexiglass becomes so bri±tle in low your gloves on .
.. bare skin will freeze
²±empera±ures that dropping a tool on on contact.
i± can leaD to a replacement.
BatterieS tend to lose their charge
If your aircraF± is parkeD ³n a and eve´ frEeze. 'µtore ¶em in a
hangar, open the winDows before warm place.
moving
it
ou±side
to
equalize
Use·
¸
aR APU on ±he first start of
tempe¹atures .
.. prevents cºacking.
±he d»y. ¼t¶lL save a lot of drain on
Oil leaks are a chronic problem in the cold bat±ery.
cold we½±her. ¾yeball joints and seals
regularly and make with the torque
wrench, as necessary.
¿ocus-in Àon ±he tires. Air pressure
Drops wi±h the ±emperatureÁ Tires
frozen to the ground can be released
by using heat:not over 160°¿Âor
by
Ã
using liquid deicer. Äever Åse the
dÆicer
·
on
±
the
Ç
plÈstic windows Ér
you¶ll ge± crazing (small cracks) for
real!
60
When you service an oil tank on a
cold-soaked bird, never
Ê
fill it to ±he
Ërim. O±heÌwise, when Íhe oil heats
up, ±he ±ank will overflow.
:±²³!´l
When you've refÅeled a bird
outside
in
subzero temperatures,
always check the fuel level ou±side.
Îhen a full bird is moved into a
hangar, the fuel Ïevel Ðill rise with
the hÑGher temperature. Opening ±he
filler cap will give you a fuel spiÒl to
clean up.
CoÓd weather affec±s your flying
machinÔ in maÕy ways. ¿or example,
s±Öel co×±rol cable Øensions decrease
due to ±He higher con±raction of the
alumiÙum airfraMeÚ A bolt that is
overtorqueD on a warm day could
sÛear oÜf as the bolt shank con±racts.
The efficienÝy of soldÞßrs and
machines goes down in cold àeather.
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