BENDIX MC-12 MODULATOR CONTROLLER ASSY Guide de dépannage télécharger pdf (Page 5)

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Handbook Section Index

How to use the Air Brake Handbook

DIN symbols are used in this handbook.

Contents

Device Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

General Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Section 1: An Overview 5

Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Section 2: The Charging System 6-14

Compressors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9

Compressor Maintenance Guidelines . . . . . . . . . . . . . . 9

Governors and Components . . . . . . . . . . . . . . . . . . . . 10

Reservoirs and Components . . . . . . . . . . . . . . . . . . . . 11

Air Dryers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-13

Additional Charging System

Related Components . . . . . . . . . . . . . . . . . . . . . . . . . 14

Section 3: The Control System 15-27

Dual Circuit Brake Valves . . . . . . . . . . . . . . . . . . . . 15-16

Actuators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Slack Adjusters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Foundation Brakes: S-Cam and Air Disc . . . . . . . . 19-20

Quick Release, Ratio Valves . . . . . . . . . . . . . . . . . . . . 21

Ratio, Proportioning Valves . . . . . . . . . . . . . . . . . . . . . 22

Relay Valves. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Push-Pull Valves. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Spring Brake Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Lever Operated Control Valves . . . . . . . . . . . . . . . . . . 26

Additional Control Valves . . . . . . . . . . . . . . . . . . . . 26-27

Section 4: Tractor Parking, Trailer Charging/Parking

and Emergency Systems 28-32

Park Control Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Dash Control Modules . . . . . . . . . . . . . . . . . . . . . . . . . 29

Trailer Control Valves . . . . . . . . . . . . . . . . . . . . . . . . . 29

Tractor Protection Valves . . . . . . . . . . . . . . . . . . . . . . . 30

Trailer Spring Brake Valves . . . . . . . . . . . . . . . . . . 31-32

Section 5: Converter Dolly Brakes 33-34

Trailer/Converter Dolly Brakes . . . . . . . . . . . . . . . . 33-34

Section 6: Antilock Braking Systems 35-

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

ABS Components . . . . . . . . . . . . . . . . . . . . . . . . . 35-36

Truck and Tractor ABS Operation. . . . . . . . . . . . . . 36-37

ATC Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Advanced ABS Operation, Features. . . . . . . . . . . 38-40

Trailer ABS Components and Operation . . . . . . . . 41-43

Troubleshooting Truck, Tractor and Trailer ABS. . . 44-45

Section 7:

Additional Systems and Components 46-47

Adaptive Cruise Control . . . . . . . . . . . . . . . . . . . . . . . . 46

Tire Pressure Monitoring Systems . . . . . . . . . . . . . . . . 46

Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Section 8: The Fundamentals of Air Braking 48-58

Friction, Braking Force . . . . . . . . . . . . . . . . . . . . . . 48-49

Leverage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50-51

Deceleration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51-52

Compressed Air . . . . . . . . . . . . . . . . . . . . . . . . . . . 53-55

Compressed Air Brakes . . . . . . . . . . . . . . . . . . . . . 55-56

S-Cam and Air Disc Brakes . . . . . . . . . . . . . . . . . . . . . 56

Air Brake System Balance: Pneumatic Systems. . . . . 57

Air Brake System Balance: Mechanical Systems . . . . 58

Section 9:

Air Brake System Troubleshooting Tests 59-62

Bendix Literature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

About Bendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Front Inside . . . . . . . . Typical Tractor System Schematic

Back Inside . . . . . . . . . Typical Truck System Schematic

Fold-in Back . .Typical Tractor System with ESP

Stability

Fold-out Back . . Typical Truck System with ESP

Stability

This nine-section handbook provides an introduction to the use and operation of Bendix

air brake systems and devices.

Components are introduced and shown with typical system diagrams to show where

they are used. As new components are introduced and their function explained, they

gradually build up to a complete functioning air brake system.

Partial system-drawings, throughout the manual, assist in explaining of the use of the

components. See the front inside cover and the fold-out back cover for examples of

vehicle system schematics.

1 2 3 4 5 6 7 8 9 10 ... 69 70

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