8 • 320
2004 • LaPalma
Electrical Systems
At a minimum, the battery electrolyte level
should be checked at least once a month. Check the
level sooner if the battery is frequently used. The
level should be above the top of the plates, but not
overfull. Most batteries have a plastic cup or well.
The electrolyte level should be approximately 3/8”
below the well to allow room for expansion while
the battery is being charged. Over-filling the
battery will allow the electrolyte solution to boil or
gas out of the battery cap. Remember to use only
distilled water to refill the battery. A battery with a
low electrolyte level will boil the water out rapidly
once the plates have been exposed to air. This
process may take only a matter of hours. If this has
happened the battery is more than likely damaged.
After checking the battery’s electrolyte levels it is also a good idea to
check the battery connections for tightness and corrosion. If any corrosion is
found disconnect the cables (make sure to mark their locations) and carefully
clean them with a mild solution of baking soda and water. There are also
aerosol products available that will work. This will neutralize any acid that
may be present. Do not allow the solution to enter the battery as this will
damage the electrolyte balance. Use water to rinse the top of the battery and
surrounding area when done. Carefully hook the cables back to the battery.
Coat the terminals with petroleum jelly or an anti-corrosion grease.
The battery cable to battery terminal connections should be metal to
metal. Periodically check the batteries for corrosion. Look for cracks and
check the vent plugs. Replace them if they are cracked or missing. Keep the
top of the batteries clean. The accumulation of electrolyte and dirt may
permit small amounts of current to flow between the terminals, which can
drain the battery.
WARNING: Liquid lead acid batteries produce highly explosive
hydrogen gas when charging. Do not smoke around batteries.
Extinguish all flames in the area. The hydrogen gas may explode
resulting in fire, personal injury, property damage or death.
Battery Maintenance
Wear safety glasses when servicing the battery.
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