Excavator Operator Certification Exam Prep · Question
What is the critical safety consideration when engaging the swing lock pin before transporting an excavator on a float trailer?
The swing lock pin is a crucial safety mechanism that mechanically secures the excavator's upper structure to the undercarriage, preventing dangerous rotation d
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Question: What is the critical safety consideration when engaging the swing lock pin before transporting an excavator on a float trailer?
Answer options:
- It prevents accidental stick movement during loading.
- It locks the tracks to prevent rolling while in transit. ✅ It secures the upper structure to prevent rotation during transport.
- It disengages the hydraulic system to save fuel.
Correct answer: It secures the upper structure to prevent rotation during transport.
Explanation: The swing lock pin is a crucial safety mechanism that mechanically secures the excavator's upper structure to the undercarriage, preventing dangerous rotation during transport on public roadways.
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Question explanations
- During a final inspection of an excavator, prior to beginning work, an operator notices significant play in th
- An excavator operator is preparing to dig a trench in cohesive soil. To achieve maximum breakout force, what a
- Which control typically governs the arm (or dipper arm) movement for an excavator?
- What condition might require sloping or shoring of a trench less than 1.2 meters (4 feet) deep?
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