Iveco Stralis AT/AD. Manual - part 237

32783

32782

S

TRALIS

AT/AD

6

AIR SYSTEM - BRAKES

Base - January 2003

DESCRIPTION

SYMBOL

CONDENSATE SEPARATOR

FILTER

1

2

DEHUMIDIFIER

1

2

DEHUMIDIFIER

21

1

22

4

DEHUMIDIFIER WITH BUILT-IN
REGULATOR

21

1

22

23

AUTOMATIC CONDENSATE
DRAIN VALVE

CONTROLLED CONDENSATE
DRAIN VALVE

HAND CONDENSATE DRAIN VALVE

CONTROLLED ANTI-ICING UNIT

1

2

7

AUTOMATIC ANTI-ICING UNIT

1

2

PRESSURE REGULATOR WITH
INDEPENDENT CIRCUIT

21

22

1

23

24

PRESSURE CONTROLLER

21

1

PRESSURE CONTROLLER

21

1

23

PRESSURE CONTROLLER
(GOVERNOR)

2

1

PRESSURE LIMITING VALVE

2

1

32783

32784

32785

AIR SYSTEM - BRAKES

7

S

TRALIS

AT/AD

SYMBOLS FOR AIR/HYDRAULIC SYSTEM CIRCUIT DIAGRAMS (VALVES)

DESCRIPTION

SYMBOL

PROPORTIONAL REDUCING VALVE

2

1

MATCHING VALVE

2

1

FOUR CIRCUIT PROTECTION VALVE

21

22

1

23

24

THREE CIRCUIT PROTECTION
VALVE

21

22

1

23

TWO CIRCUIT PROTECTION VALVE

21

22

1

NON-RETURN AIR INLET VALVE

2

1

LIMITED RETURN AIR INLET VALVE

2

1

SAFETY VALVE

CHECK VALVE

2

1

CHECK VALVE

2

2

1

DOUBLE SHUT-OFF VALVE

11

12

2

DIFFERENTIAL DOUBLE SHUT-OFF
VALVE

M

S

U

THROTTLE VALVE WITH QUICK
RETURN

1

2

THROTTLE VALVE

32786

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TRALIS

AT/AD

8

AIR SYSTEM - BRAKES

Base - January 2003

DESCRIPTION

SYMBOL

DUMP VALVE

2

1

BRAKE CONTROL VALVE

21

11

22

12

P

A

BRAKE CONTROL VALVE

21

11

BRAKE CONTROL VALVE

21

11

4

22

12

PARKING BRAKE CONTROL VALVE

22

11

21

PARKING BRAKE CONTROL VALVE

2

1

BRAKE VALVE

2

1

CONTROL VALVE

2

1

CONTROL VALVE

22

1

21

RETARDER CONTROL VALVE

23

13

R

SERVO CONTROL VALVE

2

1

4

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32786

AIR SYSTEM - BRAKES

9

S

TRALIS

AT/AD

SYMBOLS FOR AIR/HYDRAULIC SYSTEM CIRCUIT DIAGRAMS (VALVES)

DESCRIPTION

SYMBOL

SERVO CONTROL VALVE

2

1

42

41

SERVO CONTROL VALVE FOR
SINGLE LINE

2

1

4

TRAILER BRAKING TRIPLE
CONTROL VALVE

2

1

42

41

43

TRAILER BRAKING TRIPLE
CONTROL VALVE WITH BUILT-IN
SERVO SWITCHING

22

11

42

41

43

12

LOAD PROPORTIONING VALVE

2

1

DUAL LOAD PROPORTIONING
VALVE

21

11

22

12

LOAD PROPORTIONING VALVE
WITH BY-PASS

21

12

11

LOAD PROPORTIONING VALVE
WITH BUILT-IN RELAY

2

1

4

LOAD PROPORTIONING VALVE
WITH BUILT-IN RELAY WITH AIR
CONTROL

4

42

41

1

2