Is the "inside of the drums" the same thing as the inside of the rim?

Discussion in 'Questions From New Drivers' started by NY2001, May 23, 2022.

  1. NY2001

    NY2001 Light Load Member

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    Please see below for clarification, sorry for the confusion.
    The reason I ask is that on YouTube videos, people just say the "Brake Drums" and "Brake Shoes" for the Pre-Trip Inspection (Class B), but wonder why they don't mention the "Brake Linings".
     
    Last edited: May 23, 2022
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  3. LameMule

    LameMule Heavy Load Member

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  4. Jammer'

    Jammer' Light Load Member

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    I'm just curious, do you have a CDL or are you in the works of getting one?
     
  5. NY2001

    NY2001 Light Load Member

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    The latter.
     
  6. Jammer'

    Jammer' Light Load Member

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    OK.

    Well to answer your question. No, the rim and Brake drum are not the same thing. They are 2 totally different parts.
     
  7. NY2001

    NY2001 Light Load Member

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    The reason I ask is that on YouTube videos, people just say the "Brake Drums" and "Brake Shoes" for the Pre-Trip Inspection (Class B), but wonder why they don't mention the "Brake Linings".
     
  8. InTooDeep

    InTooDeep Donner party survivor

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    Brake linings are considered brake shoes
     
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  9. tscottme

    tscottme Road Train Member

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    The brake linings are the friction material on the brake shoes. When you are looking at the brake drums and brake shoes on the inside of the wheel, the drums are the round surface going all around the inside of the wheel and the brake drums are the half circles just inside of the drums that push out toward the brake drums. When the brake valves are put in the parked position, the brake shoes push out and the brake linings, which are riveted to the shoes, make contact with the inside of the brake drums.
     
    Last edited: May 23, 2022
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  10. Munch75

    Munch75 Light Load Member

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  11. Cowboyrich

    Cowboyrich Road Train Member

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    Have you seen the other questions?
     
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