Excavator Operator Certification Exam Prep · Question
An excavator operator has finished loading a medium-sized excavator onto a step-deck trailer and is now preparing to secure it for transport. After positioning the machine and lowering the boom to the trailer deck, what is the next crucial step before applying tiedowns?
Blocking the machine's tracks with timber, or similar approved chocks, is a crucial step often required to prevent fore-and-aft movement, even before or in conj
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Question: An excavator operator has finished loading a medium-sized excavator onto a step-deck trailer and is now preparing to secure it for transport. After positioning the machine and lowering the boom to the trailer deck, what is the next crucial step before applying tiedowns?
Answer options:
- Release the excavator's parking brake to allow for minor adjustments during travel.
- Engage the excavator's travel lock to prevent track movement.
- Retract all hydraulic cylinders to their full extent to prevent 'bleed down'. ✅ Block the machine's tracks with timber to supplement the tiedowns.
Correct answer: Block the machine's tracks with timber to supplement the tiedowns.
Explanation: Blocking the machine's tracks with timber, or similar approved chocks, is a crucial step often required to prevent fore-and-aft movement, even before or in conjunction with applying tiedowns. This provides an additional layer of securement and complements the function of the tiedowns. Parking brakes should remain engaged, and travel locks are typically for the boom/swing, not primary track securement.
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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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