Drum Brake System Diagram - Components & Function Explained #3499644 (License: Personal Use)

This technical illustration shows a transverse section of a drum brake, revealing internal components including the backplate, brake shoes, wheel cylinder with pistons, return springs, wheel studs, hub nut under dust cover, and pivot/adjustment mechanisms. The design emphasizes how hydraulic force expands the shoes to create friction against the rotating drum, slowing the wheel. Precision labeling aids in understanding maintenance, diagnosis, and repair procedures.

Used on automotive repair guides, educational resources, mechanic training portals, and OEM service manuals; serves users seeking to understand drum brake operation, troubleshoot issues, or perform maintenance.