5.1. Thoroughly wash and clean the old battery, battery terminals and case or tray with warm water to minimize problems from acid or corrosion. Heavy corrosion can be neutralized with a mixture of one pound of baking soda to one gallon of warm water. Wear safety goggles and, using a stiff brush, brush away from yourself. Also, mark the cables so you do not forget which one to reconnect.

5.2. Turn off all electrical switches in the vehicle and shut off the ignition switch. Disable any alarm systems. Remove the NEGATIVE cable first because this will minimize the possibility of shorting the battery when you remove the other cable. Secure the negative cable so that it cannot "spring" loose and make electrical contact. Next remove the POSITIVE cable and then the hold-down bracket or clamp. If the hold down bracket is severely corroded, replace it. Dispose of the old battery by exchanging it when you buy your new one or by taking it to a recycling center. According to BCI, over 96% of the old battery lead is recycled, making batteries one of the most completely recycled of all recycled items. Please remember that batteries contain large amounts of harmful lead and acid, so please dispose of your old battery properly for safety and to protect our fragile environment.

[Source: BCI]

[Source: BCI]

5.3. After removing the old battery, be sure that the battery tray or box and cable terminals or connectors are clean. Auto parts stores sell a cheap wire brush that will allow you to clean the inside of terminal clamps and the terminals. If the terminals, cables or hold down brackets are severely corroded, replace them. Corroded terminals or swollen cables will significantly reduce starting capability.

5.4. Use paraffin oil-soaked felt washer pads found at auto parts stores or thinly coat the terminal, terminal clamps and exposed metal around the battery with a high temperature grease or petroleum jelly (Vaseline) to prevent corrosion. Do not use the felt washers between the mating conductive surfaces with side terminal batteries. Use of stainless steel and other metal washers have also caused problems with electrolysis and high resistance.

5.5. Place the replacement battery so that the NEGATIVE cable will connect to the NEGATIVE (-) terminal. Reversing the polarity of the electrical system will severely damage DESTROY it. It can even cause the battery to explode.

5.6. After replacing the hold-down bracket, reconnect the cables in reverse order, i.e., attach the POSITIVE cable first and then the NEGATIVE cable last.

5.7. Before using the battery, check the electrolyte levels and add distilled water to cover the plates. Check the state-of-charge and recharge if necessary. Then recheck the electrolyte levels after the battery has cooled and top off with distilled water as required, but do not overfill.

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