The Torque Wrench Won't Go Low Enough
Torque wrenches can be used for all sorts of precise tightness settings, but fine settings require using the right type of wrench. Not every torque wrench will work at very small tightness levels. As a result, the mechanic or repairer needs to obtain the right tool with the correct precision.
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Instructions
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Reference your engine or application manual for the assembly being worked on for the correct tightness setting value required. Examine your torque wrench to determine if it is an electronic or ratchet-type torque wrench. Purchase one if you do not have one of either type.
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Position the torque wrench so you can see the measurement settings. Compare the setting to the value needed. Set the ratchet-type wrench to the correct setting and lock it in place with the twist lock at the bottom of the wrench. Use the electronic torque wrench if the value is less than the first setting on a ratchet-type wrench (i.e., you need a finer value than the standard measurements provided).
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Preset the electronic wrench to the value needed. Insert the correct socket at the top of the wrench. Apply the wrench to the nut or bolt needing tightening. Slowly tighten until you hear and feel a click with the ratchet-type wrench or a beep from the electronic wrench. Take the torque wrench off the nut or bolt and move on to the next assembly step.
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Tips & Warnings
Both ratchet and electronic torque wrenches can be bought at any hardware store with a better tool selection.
Do not use a dial or disc torque wrench. Their measurements are not specific enough for fine measurement, and their wobbling nature leaves room for error since they both depend on your visual confirmation for proper tightness.
References
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