141
Specific gravity of electrolyte Basic electrolyte temperature=20°C (68°F)
Note : 1. When temperature of electrolyte deviates from 20°C(68°F) at hydrometer check, temperature correction should
be made by the following formula.
S20=St+0.0007
Ŧ
(t-20)
ƒ1
S20
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Corrected specific gravity (20°C)
St
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Hydrometer reading at t°C
t
ŋŋŋŋŋŋŋŋŋŋŋŋŋŋŋ
Temperature of electrolyte when checked
2. When lowering of electrolyte level is due to spillage, replenish with dilute sulfuric acid of the same specific
gravity.
3. When replacing the battery, exercise extreme care so as not to make uncorrect connections, or damage to
alternator silicon diodes will result.
Full-charge 1.26 or more 1.22 or more 1.28 or more
Half-charge 1.25 – 1.14 1.21 – 1.10 1.27 – 1.16
Discharge 1.13 or less 1.09 or less 1.15 or less
Zones
Temperate Tropics Frigid
Condition
Ɓ
Ɓ
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