Drum Brake System: Description and Operation

DRUM BRAKE ASSEMBLY





The drum brake assembly has a self shoe clearance adjusting system so that drum-to-shoe clearance is maintained appropriate at all times. Rear brake is a drum type. It uses leading trailing operation when brake pedal is depressed and when parking brake is applied on level road. It also uses duo servo operation when parking brake is applied on gradient road and load is applied in longitudinal direction of vehicle.

NOTE: Replace all components included in repair kits to service this drum brake. Lubricate parts as specified.

WARNING: If any hydraulic component is removed or brake line disconnected, bleed the brake system. The torque values specified are for dry, unlubricated fasteners.