Monarch SE 2004-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Section 8 Electrical System | 311
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. Keep sparks, flames and
other sources of ignition away from
batteries. The hydrogen gas may explode
resulting in fire, personal injury,
property damage or death.
Battery
Maintenance
020034
020162F
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