How to Use a Torque Wrench
With a torque wrench, you can set a bolt to the proper tightness and cut down on wear and tear.
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You Will Need
- 1 A torque wrench
- A loose bolt
- A ratchet head
Steps
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Step 1
Identify the type of torque wrench you have. Each type has a different means of displaying torque, or twisting force. Beam, dial, and digital wrenches have a scale or indicator. A clicker torque wrench clicks when the desired torque is reached.
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Step 2
Check the manufacturer specifications and determine the correct torque settings for the bolt you are tightening.
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Step 3
Fit the ratchet head to the bolt.
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Step 4
Apply pressure to the handle of the wrench. Your arm should form a 90 degree angle to the wrench.
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Most torque wrenches are held in the center of the handle, but some wrenches have a line indicating where the hand should be placed.
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Step 5
Tighten the bolt until the torque wrench indicates that the desired torque has been reached.
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Don't jerk the wrench -- apply force in a smooth motion.
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Step 6
Have your torque wrench properly calibrated after frequent use as it is a sensitive tool.
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Archimedes discovered the concept of torque.
