Nissan Note — уход за аккумуляторами: проверка и восстановление [6/60]

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BATTERY

● Remove the cell plug using a suitable tool.

● Add distilled water up to the MAX level.

Sulphation

A battery will be completely discharged if it is left unattended

for a long time and the specific gravity will become less than

1.100. This may result in sulphation on the cell plates.

To determine if a battery has been “sulphated”, note its voltage

and current when charging it. As shown in the figure, less cur-

rent and higher voltage are observed in the initial stage of

charging sulphated batteries.

A sulphated battery may sometimes be brought back into ser-

vice by means of a long, slow charge, 12 hours or more, fol-

lowed by a battery capacity test.

SPECIFIC GRAVITY CHECK

1. Read hydrometer and thermometer indications at eye level.

2. Convert into specific gravity at 20°C(68°F).

Example:

● When electrolyte temperature is 35°C(95°F) and specific gravity

of electrolyte is 1.230, converted specific gravity at 20°C(68°F)

is 1.240.

● When electrolyte temperature is 0°C(32°F) and specific gravity

of electrolyte is 1.210, converted specific gravity at 20°C(68°F)

is 1.196.

MEL043F

SEL709E

MEL042FA

SEL007Z