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Questions and Answers
Which gauge indicates voltage within the electrical system?
Which gauge shows the temperature of the engine coolant?
Which gauge indicates pressure within the engine lubrication system?
Which gauge indicates pressure within both the front and rear air braking systems?
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Which part of the capacity spotter is used to lift the fifth wheel?
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What is the weight of the capacity spotter?
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Which part of the capacity spotter is used to secure the fifth wheel for highway travel?
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What is the lift rating of the elevating fifth wheel?
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According to the text, what should you do before backing under the trailer with the fifth wheel?
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What should you do to ensure the kingpin is locked in the fifth wheel?
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What should you do before lowering the cab?
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What should you do before pulling out of your space?
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Study Notes
Gauges and Indicators
- The voltmeter gauge indicates voltage within the electrical system.
- The temperature gauge shows the temperature of the engine coolant.
- The oil pressure gauge indicates pressure within the engine lubrication system.
- The air pressure gauge indicates pressure within both the front and rear air braking systems.
Capacity Spotter
- The lift arm is used to lift the fifth wheel.
- The capacity spotter weighs approximately 1,500 pounds.
- The fifth wheel clamp is used to secure the fifth wheel for highway travel.
- The elevating fifth wheel has a lift rating of 50,000 pounds.
Safety Checks
- Before backing under the trailer with the fifth wheel, ensure the trailer is aligned with the tractor and the kingpin is centered over the fifth wheel.
- To ensure the kingpin is locked in the fifth wheel, pull the release handle and listen for a click.
- Before lowering the cab, ensure the parking brake is applied and the transmission is in neutral.
- Before pulling out of your space, check the mirrors, signals, and blind spots.
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Description
Test your knowledge of warning lights and conditions that may indicate problems with your vehicle's engine. Learn about the significance of different warning lights and what actions to take when they illuminate.
