PS Magazine - AUGUST 1972
PS, The Preventative Maintenance Monthly
1972 SERIES, ISSUE 237
AUGUST 1972
i
,
;
Never use anything in youR nickEl cAd-
miUm except
distilled
wAteR. It MeAns
yoU don't use rAin wAteR, tAP WAteR, Etc.).
FAcT is, LeAd±Acid And nickeL cAdMiUM
bAtteRies go togeTheR AboUT
a
well
a
vice And viRtUe. JUsT A hint of leAd²Acid
contAMinAtion cAn dAMAge nickEL cAd-
MiUMs.
If you cAn seT up mAintenAnce And chARginG ³Acilities in sepARAte shops, gReat.
´hatµs AboUT As closE As the
2
Typ¶s of bAtteries should come.
·³ SeparAte shops ARenµt possible, Use sepARAte benches, pARtition Chem, And mAke
s¸re the ¹ickeº cAdMiUMs never geT on the WRong side of thE pARtition.
stA¹ce, a nickel cAdmium cA¹ hAVE A ³Ulº
poRtion o³ eºectrolyte .
.. but yo» might
not be able to see A drop.
46
No MysteRy. ¼s thE nickeL cAdMiUm
cell dischARges, The eLecTRolyte is Ab-
sorbeD by the plAte½ ¾hich is good, reAlly¿
¼ big poinT: neveR Add distiLled WAteR
until yoU crAnk some chArging tiME into
the bAtteRy fRoM the chARgeR.
Be³ore you aDd juice, chArge the bAt-
tery. ´hen, i³ neceSsAry, correct the jUice
leveL .
.. With the syringe thAt comeS with
yoUR battery (or, get the syringe citeD in
the ´Às).
FiRst off, it MAy noT need Any WAteR,
And secondly, oVerfilling cAn lead to bAt-
teRy dAmAge.
¼n overfilLed batteRy spews somethi¹Á
fierce When being chArged, and the ResiÂ
dUe coRRoDes And dAmAgeS connectors,
etc.
I³, ³or some good reason, you suspect
tHE bAttery cell is dry, AdD An ounce o³
DistilºeD wAter to eAch celº before chARgÃ
ing. ´hAtÁs enough jUice to give yoU a
chARgE, bUT noT enoUgh To cAUsE exces-
sive speWing.
If you're wrong,
you caN take oUt
the excess juice
witH the syringe.
ThoRoUghly RinsE ±he syRingE² cEll cap
wRench a³d sO O³ aFER USE and bEfoRE
stoRing´
PM PRECAUTIONS
1.
ClEan µelectRoLy¶e ResidUe
(whi¶e powdEr) off ce·Ls and con-
nectors wi±h the ny·On bRush pRo¸
vidEd (neVER use a wiRE bRush)¹
±²
Keep cell vents open and
the battEry boX cOVeR off duRing
chaRgi³g tO pREVEn± gAs bUild Up
and PossibLe EXPlosionº
3³
»se only the bat±eRy's nylon
wrench to remove ve¼± caps½
_
47
´
µ
BE carE¾Ul wi±h tooLs and
othER mE±aL neaR ceLl connectors
(PreVEn± shoR¶S)¿
5¶
TigÀ±en aLL tERmiNaL conÁ
nec±ors befoRE chaRging to pReÁ
vEn± arcing oR spaRks¿
·¸
If after chargingà the e·EcÁ
troLyte LEvel is way down
Ä
add
distiL·Ed watER.
¹º
Move thE chaRged bat¶Ery
from thE charging aRea ½ÅÆ and
Let it sit foR sEVEraL hoURs Çe¾ORe
checking thE elEctROÈytE Levelº
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