Module 1	Introduction to Brake Systems
Module 2	Personal Safety Around Vehicles and Air Brake Systems
Module 3	Service Brake Chambers, Slack Adjusters and Foundation Brakes
Module 4	The Supply System
Module 5	The Service Brake System
Module 6	The Spring Brake System (Park / Emergency Brakes)
Module 7	Service and Spring Brake System Options and Design Variables
Module 8	The Tractor Protection and Trailer Supply System
Module 9	The Trailer Service Brake Control System
Module 10	Trailer Brake Systems
Module 11	Anti-lock Brake System (ABS) Basics
Module 12	Air Brake System Inspection, Maintenance and Testing

MODULE 6	The Spring Brake System (Park / Emergency Brakes)
Spring Brake System - Introduction and Principal Components		ABI-CE 6-1 Illustration
Double Check Valve Design and Operation (Shuttle-type)		ABI-CE 6-2 Narrated Animation
Park / Emergency Brake Control Valve Operation		ABI-CE 6-3 Narrated Animation
Spring Brake Chamber - Component Identification and Operation		ABI-CE 6-4 Narrated Animation
Spring Brake System (Basic) with Quick Release Valve		ABI-CE 6-5 Illustration
Spring Brake System with Relay Valve		ABI-CE 6-6 Narrated Animation
Brake Compounding		ABI-CE 6-7 Illustration
Basic Anti-Compounding Circuit (with Standard Spring Brake Relay)		ABI-CE 6-8 Illustration
Anti-Compounding Circuit (with Anti-Compounding Spring Brake Relay)		ABI-CE 6-9 Narrated Animation
Service Brake Application Force vs. Spring Brake Application Force		ABI-CE 6-10 Illustration
Manual Spring Brake Caging		ABI-CE 6-11 Illustration