Igniting a Spark
Your Volvo has thousands of parts in it. Some play a crucial role in the car, while others do not. Some are used all the time, while some are needed only for a specific time. One of the latter is your Volvo’s ignition coil. Also called a spark coil, the ignition coil is an induction coil in the automobile’s ignition system. The Volvo ignition coil transforms a storage battery’s 12 volts into the thousands (which sometimes could reach as high as 120,000 volts) needed to ignite the spark plugs. Invented by A. Kent Atwater in 1921, the ignition coil is a simple transformer that has two sides: the 12 volt or primary side and the high voltage or secondary side. The primary side contains a few hundred turns of a large diameter wire and it builds up the magnetic field in the coils. On the other hand, the high voltage side contains thousands of turns of small diameter wire. The coil uses electromagnetic induction to create the high voltage. When the voltage in the primary side is turned off, the collapsing magnetic field in the secondary side induces a voltage in the secondary side, producing thousands of volts. In older vehicles, a single, large ignition coil would serve all the spark plugs, distributing voltage via an ignition distributor. In modern systems, the distributor is omitted and ignition is controlled electronically, instead. Much smaller coils are used with one coil for each spark plug or one coil serving two spark plugs (so two coils in a four-cylinder car). These coils may be remote-mounted or they may be placed on top of the spark plug (coil-on-plug or direct injection). Where one coil serves two spark plugs (in two cylinders), it is through the “wasted spark” system. In this arrangement, the coil generates two sparks per cycle to both the cylinders. The fuel in the cylinder that is nearing the end of its compression stroke is ignited, whereas, the spark in its companion nearing the end of its exhaust stroke has no effect. The wasted spark system is more reliable than a single coil system with a distributor and cheaper than coil-on-plug. Where the coils are remote mounted, they may all be contained in a single molded block with multiple high-tension terminals. This is commonly called a coil-pack. Your Volvo ignition coils are part of a larger system, which is the ignition system. The ignition system is part of an even larger engine system. The ignition system’s primary responsibility is the timely burning of the fuel-air mixture in the engine. Your Volvo user’s manual would carry the recommended service interval for your ignition system, including your Volvo ignition coil. Your Volvo engine might run rough, buck, surge, stall or even get poor fuel economy. These are signs that your ignition system might need servicing as they are potentially an ignition system problem. When this happens, drive to the nearest Volvo dealership and have a qualified technician take a look around. Your Volvo engine might be in problem in the long run. John Garrett is an automobile mechanic who knows every crook and cranny of his truck. He's also a vintage car enthusiast , and he's dedicated to fixing and restoring them. He is a motorist who believes in continuous research and improvement.
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Preventing Truck Theft: What You Can Do
Every year, hundreds of air brake lock systems are rendered useless and proven ineffective by thieves. In 2005 for example, the Federal Bureau of Investigation estimated that around $12 to $20 billion worth of cargo and equipment are stolen every year in the country. And with expensive goods (electronics, cards, etc.) being transported on the road everyday and trucks becoming increasingly pricier, thieves that target trucks and tractors are not bound to slow down anytime soon. The only solution is to take preventive measures to protect your investment and cargo. Here are some basic tips you can follow to ensure you won t fall prey to the many truck thieves that lurk around the parking lot: Never leave your key inside the ignition. You might be in dire need to use the bathroom, but believe me when I tell you that the few seconds it will take to remove the key and put it in your pocket is worth the discomfort. Take extra precautions before you travel by finding out which places along your route have high crime rates. Avoid these areas if you can, but if passing through them is an absolute imperative, then jus be doubly careful than you would normally be. Take alternative routes once in a while. This prevents thieves from being able to map out your routine and plan a robbery attack against you. When stopping for a meal, park your truck in a spot visible and accessible from where you will be sitting. It s also best if you choose where you take your breaks and avoid stopping in restaurants or stations with a questionable reputation. Don t leave a running tractor unattended. Doing this is like giving crooks an open invitation to rob you and drive away with your vehicle. Make it harder for thieves to steal your truck by putting protective bars on the passenger side window, the side that, according to reports, most thieves enter the vehicle from. Install a reliable security system to protect your car. There are many vehicle protection devices available on the market today. One of the most affordable and effective car protection devices today is the air lock security system. The security device prevents theft by blocking an air line from the air brakes. This means unless the truck driver deactivates the system, the vehicle will not move and your investment and cargo will remains safe. Yes, you may have installed tracking device in your truck to let you know where it is at all times and you may fully trust the policemen in your town/city, but remember that an ounce of prevention is always better that a pound of cure. Take these safety precautions and keep your truck (and investment) safe. Visit this site for more information on air brake lock systems . you may have installed tracking device in your truck to let you know where it is at all times and you may fully trust the policemen in your town/city, but remember that an ounce of prevention is always better that a pound of cure. Take these safety precautions and keep your truck (and investment) safe. Visit this site for more information on <a href=http://www.airbrakesecurity.com/index.html> air brake lock systems </a>.
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