A torque wrench could be described as a precision instrument that exerts a specific amount of force to a fastener. Whether tightening head bolts on the engine of a car, tightening lugs for tire and rim installation or inspecting fastener tolerances for high-performance machinery, it is extremely important that proper care is used. These guidelines usually include acceptable torque ranges, what fasteners should be tightened and how often they should be loosen in order in order to have a uniform application of torque. Inadequately torqueing fasteners can lead to equipment damages, personal injuries or even death. If properly maintained an excellent torque wrench will provide accurate measurements for many years. It is essential to adhere to the proper maintenance and usage practices, such as:Safety glasses or goggles must be at all times while working with any hand toolAlways follow the manufacturer's instructions regarding the direction of torque, the proper force and torque pattern/sequence, the use or non-use of the lubrication of fasteners as well as torque "tighten/release" cycles. The recommended working range must not exceed. It is the working range as a percentage which can be used to measure the quality of service. In general, most mechanical wrenches can be used in a range of between 20% and 100 percent of full scale. The majority of electronic wrenches are able to be used within a range of 10% and 100 percent of full scale. If you require extra information about torque wrenches, you may go to THE WRENCHES site. If the torque wrench manufacturer allows it, do not apply handle extensions or accessoriesYou should take the time to check the tool and check for worn or cracked sockets. Properly lubricate and replace damaged parts. Be careful not to drop or slide a torque wrench. The impact of dropping a torque wrench onto a hard surface can cause the instrument to lose accurate calibration. If you believe that a wrench has been dropped, you should have the device examined by the maker or an reputable calibration service. When you are not using it, keep a torque wrench safe and out of the reach of any eyes. Beware of exposure to temperature extremes and high humidity, as well as corrosion-causing environments and fluids. If you're using an electronic torque wrench that clicks, always store it at the lowest point on the scale. Avoid marking, etching , or placing labels on torque wrenchesTo apply a certain torque value to the final part, employ an torque wrench. Use an torque wrench as the primary means of tightening or loosening fasteners. Since most torque wrenches are length specific ensure that you hold the torque wrench in the center of the handle. If two hands are required to be used, place one hand on top of the other. Use torque slowly and methodically Beware of sudden, jerking movementsStop pulling immediately when the signal for the wrench (by the sound of a click, or lighting) indicates that a specific torque has been reached. Your torque wrench should be calibrated by the manufacturer following a minimum of 5,000 cycles, or one year, depending on when it was first utilized.
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