Torque Wrench Safety
Torque wrenches are tools calibrated to apply a specific amount of torque or circular force in order to remove or tighten a bolt or nut. Some torque wrenches are simple devices featuring a torque scale, but no mechanism for ensuring that torque is applied precisely. More sophisticated click torque wrenches automatically stop applying pressure when the requisite amount of torque has been applied. Hydraulic and pneumatic torque wrenches round out the array.
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Read the Enclosures
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Wheel with lug nuts All torque wrenches come with a calibration certificate and operating manual or instruction pamphlet. This pamphlet not only provides instructions for using the wrench but also usually contains tables to determine the appropriate amount of torque for your project.
Inspect your Wrench
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Before using your wrench, inspect it for damage. Make sure there are no missing parts and that the moving parts are turning in the right direction. If you are using an air-impact torque wrench, inspect hoses and fittings to make sure they are correctly attached.
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Wear Eye Protection
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Safety goggles are a must when using tools. Whether or not your torque wrench is attached to a power source, it is a good idea to wear safety goggles to protect your eyes from bits of rust, dirt or other foreign objects that might become airborne in the process of using your torque wrench.
Other Precautions
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Torque wrenches exert a great amount of force in a short amount of time. Keep loose clothing, ties, hair, jewelery and other objects that might get caught in the works secured and away from your torque wrench.
Protect your Ears
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If you are using an air-impact torque wrench, use ear protection because the decibel level of the tool is over 100 decibels -- a dangerous noise level.
Handle Your Tools Correctly
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Wipe your wrench clean with a dry cloth after use and set the torque to the lowest setting before putting the tool away in a clean, dry place. To avoid damaging or loosening connections, never carry an air-impact torque wrench by its hose. Disconnect hoses before installing, removing or adjusting sockets.
Vibration
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Air-impact torque wrenches cause vibrations. Individuals who use vibrating power tools can sometimes experience tingling in their hands. If this is allowed to continue, a permanent condition known as white finger syndrome can develop. The best way to prevent this is to discontinue using the offending tool.
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References
- Photo Credit socket wrench image by Jim Mills from Fotolia.com wheel image by sasha from Fotolia.com safety at work image by Paula Gent from Fotolia.com
