73
ELECTROLYTE LEVEL CHECK
As a conservative rule, electrolyte level must always be
above the top of the lead plates (+/-1 cm - slighlty less
than half of an inch). Electrolyte is a mix of sulfuric acid
and water. If level is decreasing, acid concentration is
not supposed to deplete with evaporation. Water alone
must be added, but it is a good practice to check also
the specic gravity with a hydrometer. Follow these
indications :
Unscrew completely the vent plugs and check level with
a flashlight in each and every orice.
Use a syringe lled with distilled water to top up the
compartment where electrolyte level is too low.
Check gravity in each cell. A reading below 1.215 requires
either charging the battery or to replace it.
If the lead plates are not sulfated and still in good
condition, charging will improve specic gravity.
Specic Gravity Charge
1.260 100%
1.230
75%
1.200 50%
1.170 25%
1.140
Very low capacity
1.110
Discharged
NOTE !
Never shake the battery during the process of adding
electrolyte !
If the battery electrolyte level cannot be adjusted
(maintenance free battery type), do not use or charge
the battery if the fluid level is below the lower limit level.
If the battery has been left unattended for an extended
period of time, it is likely that the battery has entered in
a deep discharge process. In such a case, voltage read
would be around 7 Volts or so.
CONNECT THE CABLES
1. Always connect rst the positive lead (+) to the
positive terminal (+) of the battery
2. And then the negative (-).
BATTERY ELECTROLYTE LEVEL
DANGER !
Never touch the battery electrolyte with bare ngers.
The diluted sulphuric acid solution burns skin and will
pierce clothing. Should this occur, immediately wash
garnments with spring water. Obtain medical advice and
assistance without delay for burns.
S08 MAINTENANCE
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