Spark plug is a vital component of the vehicle. Because the part is directly related to ignition. The machine will not run without the production of a good spark. Qualified spark plugs become an important factor in the production of sparks.In addition to vehicle owners are required to choose a good spark plug and according to manufacturer's advice, they also should not forget the installation process. This is due to the difference in the firming torque of each spark plug variant.
According to Diko Oktaviano, Technical Support of PT NGK Busi Indonesia, the torque of the spark plug is dependent on the thread, so that each spark plug is different.
For example, he said, the new NGK spark plug with a thread diameter of 18 mm and 14 mm, then the installation is half to two-thirds or 180-240 degrees. While the spark plug with a thread diameter of 12 mm and 10 mm is half round or 180 degrees. While spark plugs with 8 mm threaded torque pengencangannya one third round.
"If everything is ever used, then the rotation is just 30 degrees," said Diko. "So this way, the size of the gasket standrnya 2 mm, and the average ideal toning range between 1.5-1.8mm. If you want verification can dilakuin trial aja from the process as I explain ".
Installation of spark plugs should not be forced, in the sense of not too tight or loose. Moreover, if the spark plug has been damaged, continue to be used again. Coercion is feared will form a new thread, so it is difficult to be installed and removed.
Forcing the spark plug also affects the cylinder head thread. In many cases, the spark plugs are losers, can even be broken and left inside.
"So (screw) depending on which material is weak, what kind of spark plug cylinders. Both have ever happened to me. But the average of his spark plugs are losing, "Diko concluded.
Conversely, if the installation is not tight or loose, causing spark plugs to wobble (ratle) in the event of the engine vibration, also gives effect to the smoothness of ignition. "This is the effect of heat transfer disposable spark plug less optimal, ignition point shifted," beber Diko.
The damaged spark plug due to mounting in a sloping position and metal shell damage due to excessive firming torque. Another cause is a cracked insulator because spark plug wrenches slip or are used in one corner.
"So when you want to plug, do not directly use the spark plug, start to install by hand first. Then tighten according to the recommended torque. Let me not slip during the masang, I suggest use a hex type lock that will not slip when used, "lid Diko.