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AIR BRAKE Interactive Ontario Z-Endorsement Edition (ABI-ONT-Z)

AIR BRAKE Interactive ONTARIO Z-Endorsement Edition

Province of Ontario Air Brake ‘Z’ Endorsement for Drivers

AIR BRAKE Interactive ONTARIO Z-Endorsement Edition (ABI-ONT-Z) is a complete, presentation-ready, air brake instructional resource that fully complies with and supports the Ontario Ministry of Transportation’s Z-Endorsement curriculum. Although structured around MTO’s required curriculum, ABI-ONT-Z contains a substantial amount of important additional detail and material, providing instructors with the most comprehensive and effective teaching tool ever developed for Z-Endorsement air brake training!

ABI-ONT-Z provides a complete, progressive, effective and exceptionally interesting learning experience for your students. The extensive use of multimedia air system and component animations speeds leaning, enhances student retention of critical information and allows the entire ONT-Z program to be presented within MTO’s mandated presentation timelines.

The key to ONT-Z’s exceptional effectiveness is “visual learning”.  Highly detailed technical/mechanical animations and visuals make the normally invisible operation of an air brake system’s components and circuits visible and very easily understood. In short, WE MAKE the invisible VISIBLE! The AIR BRAKE Interactive “visual learning experience” is particularly effective for students for whom English is a 2nd language.

ABI ONT-Z Content

MODULE 1 – Introduction to Brake Systems

• Basic Physics of Vehicle Motion and Braking (How Brakes Slow and Stop a Vehicle)
• Brake Basics – Foundation Brake Types
• Drum Brakes – Principal Components and Basic Operation
• Disc Brakes – Principal Components and Basic Operation
• Basic Fluid Dynamics (Hydraulics)
• Basic Air Dynamics (Pneumatics)
• Spring Dynamics
• Hydraulic Brakes
• Air Brakes – Basic Operation
• Air Brake System Configuration Variables
• Air Over Hydraulic and Air Park Systems

MODULE 2 – The Supply System

• Compressed Air, DANGER
• Supply System – Introduction and Overview
• Air Compressor Component Identification and Operation
• Air Compressor – Drives and Mountings
• Air Compressor Cooling and Lubrication
• Optional Compressor Induction System (Utilizing Turbo-Charger Boost Pressure)
• Air Dryer Types
• Desiccant Air Dryer – Component Identification and Operation
• Aftercooler Condensing Air Dryer
• Alcohol Evaporators & Injectors
• Governor
• Supply Tank & Service Reservoirs
• Safety Valve (Over-Pressure Relief Valve)
• One-way Check Valve
• Drain Valves (Manual and Automatic)
• Air Pressure Gauges
• Low Air Pressure Warning Devices
• Supply System Operation
• Pressure Ranges and Rise Times

MODULE 3 – The Service Brake System

• Basic Service Brake System – Component Identification
• Brake Control and Synchronization (Quick Release and Relay Valves)
• Treadle Valve – Component identification and Operation
• Brake Pedal Feel (Feedback)
• Primary (Rear) Relay Valve
• Secondary (Front) Quick Release Valve
• Dry / Slippery Valve
• Secondary (Front) Service Brake Ratio / Limiter Valve (Limiting Valve)
• Brake Tubing and Hoses
• Service Brake Chambers – How they work, Component Identification and Operation
• Brake Chamber Stroke vs. Application Force
• Brake Chamber Size, Markings, Outside Diameter (OD) and Adjustment Limits
• Service Brake System Operation

MODULE 4 – The Spring Brake System (Park / Emergency Brakes)

• Compressed Spring, DANGER
• Spring Brake System – Introduction and Principal Components
• Double Check Valve Design and Operation (Shuttle-type)
• Park / Emergency Brake Control Valve Operation
• Spring Brake Chamber – Component Identification and Operation
• Spring Brake System (Basic) with Quick Release Valve
• Spring Brake System with Relay Valve
• Brake Compounding
• Basic Anti-Compounding Circuit (with Standard Spring Brake Relay)
• Anti-Compounding Circuit (with Anti-Compounding Spring Brake Relay)
• Service Brake Application Force vs. Spring Brake Application Force
• Manual Spring Brake Caging
• DD-3 Brake Chambers

MODULE 5 – Trailer Brake Systems

• Introduction to Trailer Brake Systems
• Trailer Air Supply Circuit
• Trailer Air Supply Valve – Basic Function
• Combination Tractor Park and Trailer Air Supply Valves
• Tractor Protection Valve
• Trailer Supply and Spring Brake System Operation (Tractor Section)
• Trailer Service Brake Control System Components
• Trailer Service Brake Control System Operation
• Trailer Brake Hand Valve (Spike) – Introduction, Warning
• Trailer Brake Hand Valve (Spike) – Component Identification and Operation
• Trailer Supply and Service Brake Connections (Gladhands)
• Trailer Brake System Configurations &Automatic Spring Brake Application Features
• Spring Brake Priority System Component Identification & Operation
• Service Brake Priority System Component Identification & Operation
• Protected Reservoir System

MODULE 6 – Foundation Brakes (Wheel Brakes)

• Modern Foundation Brake Designs
• S-Cam Brake – Component Identification and Operation
• External (visible) S-Cam Brake Components
• Slack Adjuster – Basic Function, Leverage & Torque
• Slack Adjuster Types (Manual & Automatic)
• Wedge Brake – Component Identification and Operation
• Disc Brake – Component Identification and Operation

MODULE 7 – Demands on the Brake System During Vehicle Operation

• The Effects of Vehicle Speed and Weight on Stopping Distances
• Brake Lag and Stopping Distance
• Brake Fade (A Drum Brake Phenomenon)
• Brake Chamber Stroke (A Crucially Important Adjustment)
• ABS Fiction and Facts
• ABS Components and Operation

MODULE 8 – Air Brake Compliance

• Motor Vehicle Safety Standards
• Vehicle Security and Personal Safety During Vehicle Inspections

MODULE 9 – Inspecting Air Brake System Components

• Introduction to Brake System Inspections
• Vehicle Security / Compressor Inspection
• Air Tanks, Lines and Fittings, Gladhands
• Brake Chambers, Slack Adjusters and Foundation Brakes

MODULE 10 – Air Brake System Functional Tests

• Air System Functional Tests: Introduction
• Initial Pressure Build & Retention
• Tractor Park System (Spring Brake)
• Tractor Service Brake System and Tractor Protection Valve
• Low Air Warning System
• (5A) Pressure Rise-time Recovery (85-100 PSI) and Governor Cut-out
• (5B) Pressure Rise-time Recovery (50-90 PSI) and Governor Cut-out
• Compressor Cut-in
• Supply & Service Reservoir Draining
• Tractor Park & Service Brake (Dynamic Tests)
• Trailer Supply, Spring & Service Brakes
• Trailer Spring & Service Brake (Dynamic Tests)

MODULE 11 – Inspecting Air Brake Adjustment

• Brake Stroke Adjustment – Introduction (Component Wear & Brake Stroke)
• Brake Stroke Inspection & Adjustment (Before Checking Brake Chamber Stroke)
• Brake Stroke Inspection – Test Preparations & Equipment
• Brake Stroke – Mark & Measure
• Brake Stroke – Measure and Re-measure
• Brake Stroke Indicators
• Automatic Slack Adjusters (12-Pack-to-Go Initiating the Auto Adjust Process)
• Adjusting Manual Slack Adjusters

APPENDIX ‘A’ – PRACTICAL AIR SYSTEM FUNCTIONAL TESTS
(as per MTO Air Brake Instructor’s Manual 2001, Appendix A – Practical Examination Procedures)

• Prepare the Vehicle and Low Air Warning Device
• Air Pressure Build-up Time
• Air Compressor Governor Settings
• Air Loss Rate
• Tractor (Tow Vehicle) Protection Valve
• Automatic Application Function of the Trailer Spring (park/emergency) Brakes
• Spring (park/emergency) Brakes – Tractor / Tow Vehicle Test
• Spring (park/emergency) Brakes – Trailer Test
• Drain Air Tanks

For more information and/or to discuss with one of our expert teaching resource developers, please contact:

Bryan Duross
TECHNICAL TRAINING SERVICES
Telephone: 519-621-0708
E-Mail: bduross@sentex.net