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814 Heavy Equipment Safety
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Servicing Multi-Piece Rim Wheels

Hazards

Servicing multi-piece rim wheels involves the removal, repair, and installation of tires on wheels that consist of multiple components.

Fatal Accident

This process can be extremely hazardous due to the potential energy stored in the compressed air or the explosive force if not handled properly. Here is a list of hazards associated with servicing multi-piece rim wheels:

  • Explosive Force: If the tire is not adequately deflated or the components are not handled with caution, the force exerted during the removal or installation of the tire can cause the rim components to forcefully separate, leading to a violent explosion. This can result in serious injuries or even fatalities.
  • High Pressure: The compressed air used to seat the tire on the rim can reach high pressures, increasing the risk of sudden releases of energy. If not controlled properly, the force of the air can cause the tire to forcefully inflate, leading to potential injuries or the ejection of components.
  • Flying Debris: During the process of removing or installing a tire, there is a risk of components, such as the lock ring or wheel ring, dislodging forcefully and becoming airborne. These flying debris can cause severe injuries to nearby workers.
  • Pinching or Crushing Hazards: Fingers, hands, or other body parts can get caught between the tire and the rim components, leading to pinching, crushing, or even amputation injuries during the servicing process.
  • Chemical Hazards: Some tires may contain chemicals or substances that can be hazardous to human health. For example, older tires may contain lead-based wheel weights, which can be harmful if proper precautions are not taken during their removal or handling.
  • Improper Tools and Equipment: Using incorrect or inadequate tools and equipment for servicing multi-piece rim wheels can increase the risk of accidents, such as the inability to properly secure the tire or overloading the components beyond their design limits.
  • Lack of Training and Knowledge: Insufficient training and knowledge of proper servicing techniques can lead to mistakes or inadequate safety precautions, increasing the risk of accidents and injuries.

To reduce or eliminate these hazards, it is crucial to follow specific safety practices, including implementing proper training, using appropriate personal protective equipment (PPE), and complying with manufacturer guidelines and OSHA regulations.

Knowledge Check Choose the best answer for the question.

3-10. Why is the servicing of multi-piece rim wheels extremely hazardous?