High School

Select one:

a. Hold-down spring tool
b. Drum brake micrometer
c. Parking brake cable pliers
d. Off-car brake lathe

Which is used to machine drums and rotors that are off the vehicle?

Answer :

Final answer:

The correct answer is the off-car brake lathe, which is used to machine drums and rotors that are removed from the vehicle. This tool ensures that the braking surfaces are smooth for proper function. Other options serve different roles in brake maintenance but do not perform machining tasks.


Explanation:

Understanding Off-Car Brake Lathes

The question pertains to a tool used in the automotive industry for machining parts that are off the vehicle, specifically focusing on drums and rotors. Among the options provided, the correct answer is:

d. Off-car brake lathe

An off-car brake lathe is a specialized machine used to machine the surfaces of brake drums and rotors when they are removed from the vehicle. This process ensures that the braking surface is smooth and can maintain a proper seal with the brake components, which is crucial for effective braking performance.

In contrast, the other options serve different purposes within brake maintenance:

  • Hold-down spring tool: Used for installing and removing springs in drum brakes.
  • Drum brake micrometer: A measuring tool to check the thickness of brake drums.
  • Parking brake cable pliers: Used to work with parking brake cables.

Therefore, the off-car brake lathe is specifically designed for machining drums and rotors outside of the vehicle, making it the appropriate choice.


Learn more about brake maintenance here:

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