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128
5.
ELECTRICAL PARTS
Fig. 5. 46
Battery
replenish charging
Fig. 5.
47
Hydrometer
fig.
5:
48
Electro lyte level indication
(D
Upper lev el mark
@
Low
er
level
mark
le--
fig. 5. 49
Anode
Plate
l
:
temperature
of
each cell to use as reference
at
a later
date.
Precaution During Use:
l.
Check the battery
periodically.
The
battery
should
be checked
weekly
but no less than twice
a month
or every
1.000
to 2,000 km
(620 to
l ,300milel.
2.
Always
maintain
a
proper electrol
y
te
level
Whene ver
the level
is
low,
and
distilled
water
(never
use
water containing mineral) and maintain
a level
so
that the
anode
and cathode
plates,
and seporater plates are completely
submerged.
Electrolyte
level
is
clearly
visible
through the
transparent cosing, however,
the proper
level is
usaually l O to
13
mm above
the separator plates.
If
the electrolyte
level
is low
and
the
plates
exposed to the
air, lead
sulfate
will be formed
on the
exposed portion,
low
ering the battery
capacity.
Exposed
portion
of
the
separator
plates will
deteriorate
and
will
result in internal
shortihg
of the battery
.
Majority
of the battery
trouble
are of this
nature and it constitutes the
greater percentage
of
the reduced
service life
of
the battery.
3.
Always
maintain
a
full charge, a battery
used
in a
state of insufficient
charge
will
cause ex-
cessive
sulfation
on the plates
and becomes
difficult
to restore the
plates
to the original
condition
;
such plated
become
warped and
cause
internal short.
Fu rther, the electrolyte
specific
gravity lowers due
to excessive
discharge and
J
if
continued to
be used under this
condit
ion.
the
separators
will also become damaged.
For
this
reason. the
battery should be
recharged
before
reaching
a complete
discharge condition.
When greater
percentage
of
driving is done
at
night at slow
speed or
when light usage is
excessive,
charg ing rote
will
be
insufficient,
and
therefore.
the battery
should
be
removed
and
charged frequently.
4.
Mainta
in the battery
clean-greater
the
ex-
terior, especially the
terminals
and pole connectors
c lean
to
prevent current
leakage
which would
result
in excessive
discharging.
(Fig.
5.
46-
5.
48)
Battery Troubles:
l.
Anode
plates
(Fig. 5. 49)
a.
Causes for cracks and breaks
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