Torque wrench safety and usage

Torque wrench safety and usage

When using a torque wrench, it is extremely important to understand how to correctly use this precision tool.

Following these few simple rules will ensure your safety and longevity of your torque wrench:

-Read instruction manual before using your torque wrench.

-Safety glasses or goggles should be worn at all times when using any hand tool. -Always pull, DO NOT PUSH, to apply torque and adjust your stance to prevent a fall.

-Do not use with sockets or fasteners showing wear or cracks. -Ratchet mechanism may slip or break if dirty, mismatched or worn parts are used, therefore, properly inspect your torque wrench before using.

-Make sure the direction lever is fully engaged on the ratchet.

-All mechanical torque wrenches are calibrated from 20% to 100% of full scale, therefore, they should never be used below or above those limits.

-To determine which torque wrench capacity is best suited for an application, many factors must be considered. However, as a recommendation, use a torque wrench in the middle 50% of the overall capacity of the tool. This will result in longer tool life, ease of use for the operator and increased accuracy from micrometer adjustable type torque wrenches.

-Always grip handle firmly in the centre of the grip.

-Approach final torque slowly and evenly.

-Stop pulling wrench immediately when target torque is reached.

-Torque Wrench should be properly cleaned and stored.

-Micrometer adjustable type torque wrenches should always be stored at its lowest torque setting. Remember to always unwind handle after each use.

-Wrenches should be re-calibrated if dropped and should never be used in excess of its capacity.

-Micrometer Adjustable Torque Wrenches should be exercised a minimum of three times at 100% of full scale before use.

-The wrench selected should be calibrated in the same torque units that are specified.

-Clean torque wrench by wiping. Do not immerse.

-The wrench should be sent to a qualified calibration lab once every year or every 2,500 cycles for re-calibration.  

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