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160 Tool Safety: Basic
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Proper Tool Use

Be sure to follow these general rules when using hand tools:

  • Inspect tools before using.
  • Avoid using damaged tools.
  • Tools that appear to be damaged or have broken handles should be marked unsafe and not used.
  • Do not use damaged or defective tools until they have been repaired.
Is the technician tightening or loosening the oil pan plug? Click the image to find out.

Always use correctly sized tools and equipment for the job. Use each tool only for the job for which it was intended. Forcing a small tool to do the job of a large one may result in injury or tool damage. Below are some more important "don'ts" to follow when using hand tools:

  • Don't use a screwdriver to test electrical circuits.
  • Don't use a machinist's hammer in place of a carpenter's hammer.
  • Don't strike a hardened steel surface, such as an anvil, with a steel hammer.
  • Don't use a wrench that is not properly fitted.
  • Don't use pliers in place of a wrench.
  • Don't strike wrenches with hammers or use wrenches as hammers.
  • Don't push on wrenches: pull on them to tighten or loosen nuts or bolts.
  • Don't saw on material unless it's properly secured.
  • Don't place your fingers within striking distance when hammering.

Knowledge Check Choose the best answer for the question.

1-9. What is an example of a safe practice when using hand tools?