Tài liệu về phanh khí nén trên xe tải và xe đầu kéo (Air brake manual)

CONTENTS:

Air Brake Endorsement Foldout ii

Requirements for Air Brake Endorsement Foldout ii

Dual Air Brake System Illustration Foldout iii

Safety Tips 02

Making Appointments for Tests 0 3

Section One - Brakes and Braking 0 5

Heat-Energy-Traction-Friction 06

Speed-Weight-Distance 07

Braking Force 07

Stopping Distance 08

Section Summary Questions 09

Section Two - The Components of an Air Brake System 1 1

The Components of an Air Brake System 12

Compressor and Governor 12

Reservoirs 14

Air Dryer 15

Safety Valve 16

Foot Valve 16

Brake Chambers, Slack Adjusters and Brake Lining 16

Wedge Brakes 20

Disc Brakes 21

Air-Over-Hydraulic Brake Systems 21

Section Summary Questions 24

Section Three - How the Basic System Works 2 5

Basic Air Brake System 26

One-way Check Valve 26

Air Pressure Gauge 27

Brake Application Gauge 27

Low Pressure Warning Device 27

Stop Light Switch 27

Quick Release Valve 28

Relay Valve 28

Manual Front Brake Limiting Valve 28

Automatic Front Brake Limiting Valve 29

Tandem Rear Axles 30

Section Summary Questions 30

Section Four - Spring Parking Brakes 3 1

Spring Parking Brake Systems 32

Using a Spring Parking Brake 33

Mechanical Release (Caging) 35

Section Summary Questions 35

Section Five - Trailer System 3 7

Glad Hands 38

Application Line 38

Trailer Brake Hand Valve 39

Two-way Check Valves 40

Tractor Protection System 41

Tractor Protection Valve 42

Trailer Supply Valve 43

Automatic Trailer Supply Valve System 44

Tractor and Trailer Coupled 46

Charging the Trailer System 47

Foot or Hand Valve Brake Application 47

Emergency Application 48

Supply (Emergency) Line Rupture 49

Control (Service) Line Rupture 49

Loss of Reservoir Air Pressure 50

Manual Trailer Supply Valve 51

Trailer Spring Parking Brakes 52

Section Summary Questions 52

Section Six - Dual Air Brake System 5 3

Dual Air Brake System with Spring Parking Brakes 56

Spring Parking Brakes with Modulator Valve 57

Combination Tractor and Trailer with Spring Parking

Brakes 58

Section Summary Questions 59

Section Seven - Electronic Controlled Braking

and Traction Systems 6 1

Anti-lock Brake System (ABS) 62

Automatic Traction Control (ATC) 64

Section Summary Questions 64

Section Eight - Brake Adjustment and In-Service Check 6 5

Brake Adjustment 66

S-cam Brake 66

Stroke vs. Force 67

S-cam Brake Adjustment with Manual Slack Adjuster 68

S-cam Brake with Automatic Slack Adjuster 68

Disc Brake Adjustment 68

Wedge Brake Adjustment 68

After a Brake Adjustment 69

In-service Checks 69

Maintenance and Servicing of the Air Brake System 70

Section Summary Questions 70

Section Nine - Pre-trip Air Brake Inspection 7 1

Single Unit (Not for air over hydraulic brake systems) 72

Combination Unit 73

Air Over Hydraulic (Air Actuated) Brake System 75

Section Summary Questions 76

Metric Conversion Table 7 7

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