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Loader Operator Certification Exam Prep · Question

An emergency stop button on a wheel loader's control panel has a frayed wire. What is the operator's primary responsibility regarding this observation?

A frayed wire on an emergency stop button indicates a critical defect in a safety system. Not only is the emergency stop function compromised, but there's also

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Question: An emergency stop button on a wheel loader's control panel has a frayed wire. What is the operator's primary responsibility regarding this observation?

Answer options:

  • Try to secure the frayed wire with electrical tape.
  • Note it in the daily inspection log and continue work if the button still functions. ✅ Tag out the machine and report the defect immediately to the supervisor.
  • Use the regular ignition key to shut down the engine instead.

Correct answer: Tag out the machine and report the defect immediately to the supervisor.

Explanation: A frayed wire on an emergency stop button indicates a critical defect in a safety system. Not only is the emergency stop function compromised, but there's also a potential for electrical hazard. The machine must be tagged out and reported immediately.

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