Questions and Answers
What is the aim of positioning haul trucks for production loading?
Double benching refers to benching backwards.
False
Which of the following is NOT an advantage of correct positioning?
Correct positioning helps to eliminate possible ____ strikes.
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What specific angle provides optimal load positioning?
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Positioning should be ____ to the dig face.
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What are the advantages of correct positioning for a haul truck?
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What does optimal positioning allow the digger operator to access?
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Correct positioning reduces load movements reaching their destinations.
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What is the optimal angle for maximum efficiency in loading?
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The _____ should be positioned square to the bench.
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Match the following positioning techniques with their descriptions:
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Study Notes
Haul Truck Positioning for Production Loading
- Objective is to enhance production loading efficiency and reduce overload occurrences.
- Proper identification of the dig unit's actions is critical for determining correct positioning.
- Includes two methods of benching: double benching (forward) and single benching (backward).
Excavator Spotting Points
- Spotting points include counterweight, bucket teeth, back of the bucket, and front idlers.
- Positioning limits include the back of the bucket or H-bone to ensure safe and efficient loading.
Advantages of Correct Positioning
- Increases productivity and efficiency by optimizing time and BCMs (Bank Cubic Meters) moved.
- Results in shorter slew time and reduced damage costs through improved load positioning.
- Maximizes material access during each pass, leading to effective excavation.
- Minimizes risk of HV/HV counterweight strikes and enhances tire longevity.
Optimal Positioning Techniques
- Positioning should be square to the bench, aligning the front of the track appropriately.
- A 45-degree angle on the bucket teeth is the most efficient for load positioning.
- Correct bench height should be maintained whenever possible for better material access.
Dovetail Lipping and Alignment
- Dovetail lipping the bench helps maintain alignment with the dig face, ensuring efficiency.
- Positioning on the front of the idler is critical for optimal operation and material access.
Accessing Material
- A 45-degree position improves access to available materials without interrupting the digging sequence.
- Proper alignment of the bucket teeth with the side of the truck tray is essential for seamless operation.
- Prevents overswing issues by ensuring the digger operator is effectively reaching all remaining material.
Haul Truck Positioning for Production Loading
- Objective is to enhance production loading efficiency and reduce overload occurrences.
- Proper identification of the dig unit's actions is critical for determining correct positioning.
- Includes two methods of benching: double benching (forward) and single benching (backward).
Excavator Spotting Points
- Spotting points include counterweight, bucket teeth, back of the bucket, and front idlers.
- Positioning limits include the back of the bucket or H-bone to ensure safe and efficient loading.
Advantages of Correct Positioning
- Increases productivity and efficiency by optimizing time and BCMs (Bank Cubic Meters) moved.
- Results in shorter slew time and reduced damage costs through improved load positioning.
- Maximizes material access during each pass, leading to effective excavation.
- Minimizes risk of HV/HV counterweight strikes and enhances tire longevity.
Optimal Positioning Techniques
- Positioning should be square to the bench, aligning the front of the track appropriately.
- A 45-degree angle on the bucket teeth is the most efficient for load positioning.
- Correct bench height should be maintained whenever possible for better material access.
Dovetail Lipping and Alignment
- Dovetail lipping the bench helps maintain alignment with the dig face, ensuring efficiency.
- Positioning on the front of the idler is critical for optimal operation and material access.
Accessing Material
- A 45-degree position improves access to available materials without interrupting the digging sequence.
- Proper alignment of the bucket teeth with the side of the truck tray is essential for seamless operation.
- Prevents overswing issues by ensuring the digger operator is effectively reaching all remaining material.
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Description
This quiz focuses on the essential techniques for positioning haul trucks during production loading. Gain insights into reducing overload occurrences and increasing load movements to ensure efficient transportation. Learn about different benching strategies, including double and single benching, and identify the correct positioning needed for optimal outcomes.
