PS Magazine - TB 43-PS-420
PS, The Preventative Maintenance Monthly
ISSUE 420
NOVEMBER 1987
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Nickel-Cadmium Bateries .±±
Just Say "Charge It±
'OUQ nI²³AD bATTEQ´E5
nEED EXTQA ³AQE WHEµ
¶h· TEMP· QA TUQE DQop5!
eATt•Y, S±OMI
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don't usually neEd any extra atttention.
But duRng exTmely cold w±²er, a lI³e
extra care can
save you a lot of hassle.
Fumes ´oM l±d-acid baµeries will cause
to¶l discharge of nIckel·cadmIum bat¸
teries, whose cells wilL then have to be
replaced.
¹he best thing you
c
do when the
temPratUre drops down
t
zeº or »low
is to remove your batteries ´om birds
park¼ outside and put them inside your
maintenance hangar.
Set batteries on a shelf or dunNage½
never on the bare ¾oor. ¹his w¿Ll give
a more stabÀed battery temÁratUre.
Âf you can't or don't reMove your batÃ
teÄes when the temÁratUre dips waY
doWn, beÅre you staÆt the engine next
tÇe, tUÈ on the landing light, search
light or other electrical equipMent År
30 seconds.
¹he "loadÉ wÊl waË up Ìhe batÍeÄes.
ÎaË batÏÄes wÐÑ give you gO cÒkÓ
ing Ôwer and a goÕ spark to head oÖ
the ÔssibiLi× of a hot engine staØÙ
40
NOV 87
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¹he oÚÛÜ rÝÞy ßpoà
á thing aâout aiãCrAä
seat belts is how well Ìhey hold
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you in duÆing a crash. How they låk is æç¹ ÇÔÆtant.
SEèms soMe crew chiefs replace s±t belts because the ébric has been éded
by sunlight. çr because they've been discolored ´oM êbbing against metal and
hardware. Ât's costiNg ëncle big bucKs
v
that could » better spent elsewhere.
¸¹
[
¹he only good reasons År replacing
crew and passenger seat belts are:
¹º»S
across Ìhe webbing, horìoníîy
or vertically.
¼½S¹¾L¾R»½¾¿
caused by caustic
soaps and acids.
FRYÀ¼
webbïg more than 2 inches
long.
Broken stitches are æç¹ cause År replaðñMent. òou can repair stitching l¿ke
it says in óara 3·311b of ¹ô 55·15õ·2ö·25/1.
Fuzz¿ng is æç¹ cause År replacement. Ât's ÷us¼ by brøken ùdividual úlamenû
in the yaÈs.
ôold and mIldew are æç¹ goÕ reasons, either, unless you can't remove them
by washing. óara 3·31 üc of the general maintenance manual tells how and what
to use År washùg.
NOV 8µ
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