JJ Keller Entry Level Driver Training for CDL (Commercial Driver’s License) Practice Test

Question: 1 / 400

How often should a driver check the fifth wheel for proper lubrication?

Once a month

Before every trip

Checking the fifth wheel for proper lubrication before every trip is essential for ensuring safe and efficient towing. The fifth wheel is a critical component that connects the trailer to the truck, allowing for the necessary pivoting and movement during turns and maneuvers. Proper lubrication minimizes friction and wear, preventing mechanical failure that could lead to accidents or damage.

By verifying the lubrication before each trip, drivers can ensure that this component is functioning correctly. Regular checking helps identify any potential issues early on, which is crucial for maintaining the overall safety and reliability of the vehicle. Additionally, this practice aligns with the standard safety protocols in the trucking industry, promoting both compliance with regulations and responsible vehicle maintenance.

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Once a week

When it appears dry

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