Ford BXT-65-750 Battery

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Maintaining your vehicle's battery through routine preventive maintenance is essential for reliable starts. However, it's crucial to prioritize safety by ensuring you have the necessary equipment, such as a face shield or safety goggles, baking soda, petroleum jelly, battery post and cable cleaner, treated felt washers, a puller, and rubber gloves, before starting any battery maintenance. Always disconnect the cables from the negative terminal and turn off the engine and accessories before servicing the battery due to the hydrogen gas it produces, which is flammable and explosive. Remember to charge the battery in a well-ventilated area. Take precautions against the corrosive sulfuric acid in the battery's electrolyte by avoiding contact with eyes, skin, or clothing and never ingesting it. Check the battery's external condition, inspecting for corrosion, loose connections, cracks, or loose hold-down clamps. If corrosion is present, especially around the terminals, remove the battery for cleaning. Loosen the cable clamp bolts, starting with the ground cable, slide them off the terminals, and disconnect the hold-down clamp bolt and nut before removing the battery. Thoroughly clean the cable clamps using a battery brush or terminal cleaner with warm water and baking soda solution. Wash terminals and the battery case with the same solution, being cautious not to allow it inside the battery. Wear safety goggles, rubber gloves, and old clothes while cleaning, as sulfuric acid can damage clothing. If terminals are heavily corroded, use a terminal cleaner. Rinse cleaned areas thoroughly with plain water. Ensure the battery tray is in good condition and hold-down clamp bolts are adequately tightened, avoiding over-tightening during reinstallation. To address corrosion on hold-down components, the battery case, and surrounding areas, utilize a solution of water and baking soda, followed by a thorough rinse with plain water. If vehicle metal parts suffer corrosion damage, apply a zinc-based primer and then paint them. For charging, slow-rate charging is ideal for restoring a severely discharged battery or maintaining battery charge in a vehicle with infrequent use. This is particularly crucial in winter when the battery must work harder due to increased electrical accessory use. Consider using a one or two-amp trickle charger for the safest and least straining option. For faster charging, select a higher amperage charger but ensure it does not exceed 1/10th of the battery's amp/hour rating. Be cautious with rapid boost chargers claiming to restore battery power within one to two hours, as they can be harsh on the battery and potentially damage those in poor condition. Typically, a trickle charger takes 12 to 16 hours to charge a battery, but follow the charger's instructions for precise charging times.

If corrosion is evident on the battery terminals, the battery should be removed for cleaning.

Sealed batteries eliminate the need for electrolyte checks and water additions, making maintenance simpler.

A battery must be near a full charge to test it accurately. First, disconnect the negative battery cable. Visually inspect the indicator eye on the battery, if available. Charge the battery if the indicator is dark. If the battery has removable caps, check the electrolyte level; it should be above the plates. Use distilled water if the level is low, but avoid overfilling. For a precise measurement, use a battery hydrometer to draw and test the electrolyte's specific gravity, ensuring it's approximately 1.270 at 68°F (20°C). If the specific gravity is low, charge the battery. Next, use a digital voltmeter for an open circuit voltage test. The battery should display over 12.5 volts; if not, charge it. For the battery load test, use a load tester from auto parts stores. Install the tester onto the battery terminals and follow the manufacturer's guidelines, ensuring the voltage doesn't drop below 9.6 volts during a 15-second load. Cold temperatures might lower the voltage requirements, so adjust accordingly. For the battery drain test, ensure all accessories are off and connect a digital ammeter between the negative cable and post. A drain of up to 100 milliamps is normal, but 500 milliamps or more suggests a problem. If an issue arises, identify the problematic circuit by removing fuses one by one.For replacement, begin by disconnecting the negative battery cable(s). On single battery systems, detach the negative cable from the battery post and keep it isolated. On dual battery systems, start with the auxiliary battery's negative cable and then the main battery's negative cable, ensuring they remain isolated. Remove the positive cable from its post next. Then, unfasten the battery hold-down clamp bolts. Lift out the battery with caution due to its weight. Battery handlers or straps are recommended for assistance. Check the battery tray for corrosion and clean it with a baking soda-water mixture if needed, then dry thoroughly. If replacing the battery, ensure the new one matches the original in specifications. When reinstalling, align the battery foot's center notch with the tray's cut-out, secure the hold-down clamp nuts without overtightening. Reconnect the cables and coat the connections with petroleum jelly or grease to prevent corrosion.

Clean or replace them if necessary.

Disconnecting the negative cable first helps to avoid shorting the battery.

Safety and having the appropriate equipment at hand.

First, remove the bolt and wedge from the battery tray. Then, lift out the battery. Be cautious as it is heavy, and consider using special lifting straps for easier handling.

Sealed batteries eliminate the need for electrolyte checks and water additions, making maintenance simpler.

Before any battery maintenance, ensure the engine and all accessories are turned off, and disconnect the cables from the negative battery terminal to minimize risks.

To disconnect the battery, start by disconnecting both cables from the battery terminals. It is important to use a battery terminal puller if necessary and always disconnect the negative cable first and hook it up last to avoid shorting the battery. Next, loosen the two battery hold-down clamp nuts to disengage the hold-down legs from the battery tray and remove the hold-down clamp as an assembly. Lift out the battery, using special straps or clamps if available to make the process easier. To install the battery, simply reverse the removal steps. Ensure that the battery cables and battery posts are free of corrosion and clean or replace them if necessary.

Start by removing both cables from the battery terminals. Use a wrench or battery pliers if necessary.

When examining the battery's external condition, you should check for damage, corrosion, loose connections, cracks, and the condition of hold-down clamps.

Start by disconnecting both cables from the battery terminals.

A routine preventive maintenance program for the battery in your vehicle is the only way to ensure quick and reliable starts. Before performing any battery maintenance, ensure you have the proper equipment necessary to work safely around the battery. Precautions should be taken whenever battery maintenance is performed. Always turn the engine and all accessories off and disconnect the cable from the negative terminal of the battery before servicing. The battery produces hydrogen gas, which is both flammable and explosive. Never create a spark, smoke or light a match around the battery and always charge the battery in a ventilated area. Electrolyte contains poisonous and corrosive sulfuric acid, so avoid contact with eyes, skin or clothes and never ingest it. Wear protective safety glasses when working near the battery and keep children away. Check the external condition of the battery, looking for any corroded or loose connections, cracks in the case or cover or loose hold-down clamps. If corrosion is evident, particularly around the terminals, the battery should be removed for cleaning. Clean the cable clamps thoroughly with a battery brush or a terminal cleaner and a solution of warm water and baking soda. Make sure the battery tray is in good condition and the hold-down clamp bolts are tight. Corrosion on the hold-down components, battery case and surrounding areas can be removed with a solution of water and baking soda. Any metal parts of the vehicle damaged by corrosion should be covered with a zinc-based primer, then painted. Slow-rate charging is the best way to restore a battery that's discharged to the point where it will not start the engine. It's best to use a one or two-amp battery charger. The average time necessary to charge a battery should be listed in the instructions that come with the charger. As a general rule, a trickle charger will charge a battery in 12 to 16 hours.

Wash all areas with plain water.