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Do not overuse the battery
and charge before fully
discharged. (Refrain from
over discharging)
Check alternator rectifier.
Keep terminals clean,
tighten well and grease to
prevent corrosion.
Battery must be serviced
properly before initial use.
Make routine checks of
electrolyte.
Do not overuse the battery
and fully discharge.
Make routine checks of
terminals, to make sure
they are clean and tight
Check charging current of
Alternator.
Keep terminals clean and
well tightened.
Apply grease to prevent
corrosion.
Check charging current of
alternator
Turn key “N”
Charge for long period by
ordinary charging method
until specific gravity of
1.26 is reached.
Repair alternator and
replace defective rectifier
Charge battery
Wash terminal with hot
water and tighten well.
Replace.
Replace battery.
Charge battery for a long
period by ordinary
charging method.
Add distilled water and
charge battery.
Charge for a long period.
Check alternator and
rectifier and charge for a
long period by ordinary
charging method.
Decrease the charging
current of alternator.
Exchange defective
battery.
Exchange battery.
Clean scale from termi-
nals and tighten well.
Adjust charging current of
alternator.
Key is not “N”
Battery is over-used.
Charging of battery
neglected defective
alternator rectifier
Dirty or corroded terminal
contacts
Bad brushes, armature or
field.
Life of battery expired.
Battery is not charged
well.
Battery used with
shortage of electrolyte.
Battery over-used.
Moreover, charging was
neglected.(Refrain from
over-discharging.)
Defective alternator
rectifier,defective terminal
contacts causing
sulphation of electrodes.
The current of the alterna-
tor during operation is too
high causing plates to
drop, warp or short circuit.
Life of battery expired.
Current of the Alternator
during operation is too
large.
11.3 Battery Troubleshooting
Starter dose not function
From beginning, starter
does not function, and
lights become dim quickly
Low electrolyte level
Battery cannot be charged
Corrosion of terminals is
severe
Condition of Battery
Cause
Countermeasure
Precaution
