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charged. Therefore, they should charged b'efore using according to
ttle charging practice. If the' engine user has 'no facility for charging
-the.new battery ,it should 'be sent to: a shop possessing such facility
to do so.
B. The top surfaces of thebatterie-s should be always kept
. clean and dry, the covers and terminals should be wiped clean on
time and should never let ventilating holes on the covers get,
'clogged up.
C. Check the battery electrolyte regularly. Under·norm·alcon-
ditions,its specified gravity should be within 1. 240-1.
270'~
If. it· 'is
les·s than the specified valve'., fill the battery with the .electrolyte
whose specific gravity is of 1.,280.'
D. In the couree of operation, water·. inside the' battery elec-
,trolytewillevaporategradually,so it should be checked· and re-
plenishedon time. In ·ge:neral.c·onditio·ns ,ch·eck once every'
10--15
days in winter and ever).? 5-6 ;·days in summer. ·T;he.solution le\ier
should
belO-15rnm·above.the paltes. If itisto.o
low
,replenish is
with distilled wa ter;other kinds of water _is· .prohi
bited
t.o . .
u se.
,To prevent the solution ,from chemical reaction ,it is forbidden
to check the
solt~tion
le·ver·withametal rod, It
is
recomme·nded to
_use a glass tube o£3-S-mm in"i.nner diameter.-·Dip it-vertically into
the solution through the filler
while
;its upper end
is
.,press.ed
on
by
the thumb.
Remove the thumb and· repre.55 it, with
the-
thump
whil~
the tube is dipped into the solution, then take it out.
T~he
height of
the solution lever in the
gla-ss. tupe,
is j-u:St
-the ,same
above the
plates insid-e the
'ba
ttery.
E. If the non - charged
r
' ,
batteries are key
idly
for
a
lo,n'g time,
they should. be stored at a dry and well ventilated place w.here the
ambient ·temper.ature should not' less then
'6°C.
An_d
the,
period of
79
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