Excavator Operator Certification Exam Prep · Question
During routine pre-shift inspection, you notice a small, consistent drip of hydraulic fluid from one of the swing cylinder's rod seals. What is the appropriate action to take before beginning excavation work?
Any hydraulic leak, even a small one, indicates a compromise in the system's integrity. Operating with a known leak can lead to further damage, environmental co
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Question: During routine pre-shift inspection, you notice a small, consistent drip of hydraulic fluid from one of the swing cylinder's rod seals. What is the appropriate action to take before beginning excavation work?
Answer options:
- Continue operating, but monitor the leak closely throughout the shift.
- Add hydraulic fluid to the reservoir and continue operations. ✅ Report the leak immediately and arrange for maintenance before operation.
- Tighten the cylinder rod gland nuts to stop the leak.
Correct answer: Report the leak immediately and arrange for maintenance before operation.
Explanation: Any hydraulic leak, even a small one, indicates a compromise in the system's integrity. Operating with a known leak can lead to further damage, environmental contamination, and potential safety hazards, necessitating immediate reporting and repair.
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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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