Excavator Operator Certification Exam Prep · Question
When loading an excavator onto a float, what is the safest and most recommended practice regarding the angle of articulation for articulated excavators (if applicable) or the swing of the house for conventional excavators?
Maintaining the excavator house aligned with the tracks (or articulated body straight) provides the most stable configuration during loading, especially on ramp
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Question: When loading an excavator onto a float, what is the safest and most recommended practice regarding the angle of articulation for articulated excavators (if applicable) or the swing of the house for conventional excavators?
Answer options:
- Leave the house free to swing during loading for easier maneuvering.
- Load with the house fully rotated to one side to optimize space. ✅ Keep the house aligned with the tracks as much as possible to maintain stability.
- Engage the house swing lock only after the excavator is fully on the trailer.
Correct answer: Keep the house aligned with the tracks as much as possible to maintain stability.
Explanation: Maintaining the excavator house aligned with the tracks (or articulated body straight) provides the most stable configuration during loading, especially on ramps, by keeping the centre of gravity centrally aligned with the direction of travel. Swinging the house decreases stability and increases the risk of tipping. The swing lock should be engaged after loading and before transit.
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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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