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Heavy Equipment Operator Certification Exam Prep · Question

Which component is NOT typically inspected for fluid leaks during a daily pre-operational check of a mini excavator?

While electrical wiring is checked for damage, it is not typically a source of fluid leaks. The other options are common points for various fluid leaks (hydraul

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Question: Which component is NOT typically inspected for fluid leaks during a daily pre-operational check of a mini excavator?

Answer options:

  • Hydraulic cylinders and hoses.
  • Engine block and oil pan.
  • Fuel tank and lines. ✅ Electrical wiring harnesses.

Correct answer: Electrical wiring harnesses.

Explanation: While electrical wiring is checked for damage, it is not typically a source of fluid leaks. The other options are common points for various fluid leaks (hydraulic, oil, fuel) that must be inspected daily.

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