Friday, November 20, 2020

Portable Drill Machine Inspection Checklist

The below-mentioned SWP will help you avoid critical physical injuries when using an electrical hand-operated drill/hammer machine.

Pre-Operation Inspection 

  1. Wear appropriate personal protective equipment (PPE).
  2. Disconnect the plug from the power source from the drill before inspecting, adjusting, cleaning or repairing.
  3. Make a careful and close inspection of the drill machine and power cord for any critical or minor damage before each use. 
  4. Make an inspection for the drill for any misalignment or binding of its moving parts.
  5. Select a drill bit fit for the size of the drill machine, for the material to be drilled, for example, wood, masonry, metal, etc.
  6. Ensure the drill bit is in stable condition, proper sharp and clean.
  7. Make sure that the bit of the drill is properly seated and tightened with alignment in the chuck.
  8. Always make sure that the chuck key is removed from the chuck.


  1. Check the material for any fault such as knots and foreign objects for example nails, staples or screws.
  2. Secure the material to be drilled to prevent its movement. Always Clamp small pieces so they do not twist or spin during the drilling process.
  3. Hold the drill machine firmly by the insulated gripping handle. Use an extra handle for larger work or in case of continuous operation.
  4. Overreach in the drilling operation is always full of risk of physical injuries avoid the overreach. 
  5. Keep appropriate footing and balance at all times during the drilling operation.
  6. Keep your hand/fingers, clothes away from the turning bit.
  7. Keep all electrical cords clear and properly tidy of the turning bit.
  8. Always drill a small pilot hole prior drilling a big hole.
  9. Always use the recommended speed of drill machine for the material you are drilling. Slow down the speed just before breaking through the material you are drilling.
  10. Be attentive sawdust and debris from the drilling operation.
  11. When drilling operation is over, unplug the electrical cord or remove the battery pack if it is DC operated, remove the drill bit and clean up the debris properly for the next use.


  • Always properly clean and store the drill machine and accessories in a secure place.
  • Inform your supervisor before next operation if you find any of the defects regarding any safety and maintenance issues.

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