(4) Check on battery specific gravity.
If battery is likely to be discharged due to failure in startup of the engine, measure the
specific gravity of battery acid.
The relation between- battery charge condition (charging rate) and specific gravity is as
shown below.
Liquid
C h a rg m g '\. temp,
rate (%}
2 0 0 - 1 0
1 0 0 1. 28
1. 29
1. 30
9 0
1. 26
1. 27 1. 28
8 0
1.24
1. 25 1, 26
7 5
1. 23
1. 24 1. 25
Each value has a deviation of ± 0.01.
When the charging rate is below 75%, the battery needs to be recharged.
Г7 - 1. Caution on battery charge j
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