Unit 3: Braking System - Activity 3: Drum Brakes

List the main components of a drum brake assembly. Fill in the blank: 1. The ________ plate

List the main components of a drum brake assembly. Fill in the blank: 2. The ________

List the main components of a drum brake assembly. Fill in the blank: 3. The brake ________

List the main components of a drum brake assembly. Fill in the blank: 4. The wheel ________

The function of the backing plate in a drum brake assembly is:

• To provide a friction surface for the brake shoes

• To support the brake drum

• To act as a mounting surface for brake components

• To transfer hydraulic pressure to the brake shoes

What provides the surface for the brake shoes to press against when the brake pedal is applied?

The drum is normally made of ______ with the braking surface machined smooth.

True or False: The drums can dissipate heat as quickly as disc brakes.

• True

• False

What tool is used to measure the diameter of the drum?

The shoes are forced out against the drum by the ______.