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The complexity of the electrical systems in our cars is growing as cars incorporate more and more electronics to meet our technology needs. However there are always basic to play in the maintenance and they have hardly evolved over time.
In this new installment of special maintenance will tour the electrical components of our cars and see what elements are part of the reviews of our cars. Batteries, spark plugs, preheaters and little elomas else that can currently play in cars are the protagonists.
In this issue we return to open the hood and playing under him, as far as we leave. The complication of the electrical system, the untouchables batteries and plastic protectors that cover the engine compartment almost completely in modern cars will put us hard, but we'll recess for this special.
We started with batteries, are those parts of the car that we only think of them when they fail. Your job is to store the electricity produced by the alternator to power consumers when the alternator is not generating energy. The day we tried to start the car and heard a clack or a feeble attempt to start is the day when we think how long does this battery? elomas
Probably more than it should, and why not let us down, it is best to include it in our monthly review that also look at the oil and tires. Let's elomas see how review and that means all letrujas appearing on the labels of the batteries.
Long the batteries wore Buds (still sell some) through which through a hydrometer you could measure the load of each individual cell, usually are six cells in 12-volt batteries. But this was neither is an accessible method for most people.
The sulfuric acid mixed with distilled water should not manipulate anyone without training, I have an acquaintance who exploited a sprinkling the monkey and gloves, which eventually undone in just a couple of minutes battery. If it happens elomas the same in short sleeves, lucky if we splashed our skin and gives us time to take our clothes off quickly.
Better not mess unless we know we play and we have appropriate protection. Water evaporates from the batteries during charge and must be replaced. However, many batteries sold today are generally maintenance free, ie not have those holes checking and filling of distilled elomas water.
A lead a policy change indicator (which is an integrated densitometer) with a ball of color tells us whether it is in good condition. The fault is that they are approximate, even faithfully reveals the state of charge, so you have to use other methods to determine.
We need a multimeter for this check also the car and all consumers (lights, elomas radio ...) are off. Open the hood (or trunk) and locate the battery, put the meter in the position of continuous voltage measurement, usually 20 V DC and put the red lead to the positive terminal and the black to the negative (if we access) or any part of the body naked. elomas
Obtain a measure elomas volt battery voltage, which gives us an idea of the state of charge of the battery. If the result we obtain is 12.7 volts, the battery charge is complete, 12.4 volts indicates a 75% load, 50% 12.2 Volt charging 12V load 25% and less 11.9 volts indicates that the battery is completely discharged.
Tag interest us two numbers, one being shorted intensity reaching the battery, as this is delivered as peak intensity at startup and is measured in amperes (A). For diesel engines the number is often larger than in gasoline engines because they need powerful engines starter to start the engine. The other figure that interests us is the electric charge is measured in Ampere-hour (Ah). The larger, normally we will the battery fully discharged before elomas this we want if we connect things with the car off.
If at the end maintain the state of the monitored elomas battery has not helped us to run out of battery, either because the battery has completed its useful life, or because we have left some consumers on in the car and is vented through the battery, let see out of this situation.
First of all we must know if we've run out of battery forgetfulness or because our battery was in the past. In the first case, we can stretch our battery life, in the second touches us replace. In all of them we ar
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