Iveco Stralis AT/AD. Manual — part 238

32788

32787

S

TRALIS

AT/AD

10

AIR SYSTEM - BRAKES

Base - January 2003

DESCRIPTION

SYMBOL

LOAD PROPORTIONING VALVE
WITH AIR CONTROL

42

41

1

2

LOAD PROPORTIONING VALVE
WITH AIR CONTROL

1

4

2

PROPORTIONAL REDUCING VALVE

1

2

SLAVED PROPORTIONAL
REDUCING VALVE

1

4

2

STROKE LIMITING VALVE

1

2

LEVELLING VALVE

1

21

22

LEVELLING VALVE

1

2

LEVELLING VALVE WITH BUILT-IN
TRAVEL LIMITER

11

21

12

23

HAND OPERATED SUSPENSION
RAISING CONTROL VALVE

24

23

21

22

32788

AIR SYSTEM - BRAKES

11

S

TRALIS

AT/AD

SYMBOLS FOR AIR/HYDRAULIC SYSTEM CIRCUIT DIAGRAMS (VALVES)

DESCRIPTION

SYMBOL

PROPORTIONAL CONTROL VALVE

1

2

41

42

HAND OPERATED SUSPENSION
CONTROL VALVE WITH
ELECTRICAL MONITORING

21

11

12

22

13

1

3

ELECTROPNEUMATIC VALVE

1

2

ELECTROPNEUMATIC VALVE

1

2

ELECTROPNEUMATIC VALVE

1

21
22

HYDRAULIC MODULATOR FOR ABS

HL

HR

HZ1

VL

VR

HZ2

ABS

AUGMENTER VALVE

1

4

2

32789

S

TRALIS

AT/AD

12

AIR SYSTEM - BRAKES

Base - January 2003

DESCRIPTION

SYMBOL

COMPRESSED AIR TANK

BRAKE FLUID RESERVOIR

AIR SPRING

32791

32790

AIR SYSTEM - BRAKES

13

S

TRALIS

AT/AD

SYMBOLS FOR AIR/HYDRAULIC SYSTEM CIRCUIT DIAGRAMS

(CONVERTERS, CYLINDERS AND CALLIPERS)

DESCRIPTION

SYMBOL

VACUUM BRAKE SERVO

VACUUM BRAKE SERVO

DUAL CIRCUIT MASTER CYLINDER

SINGLE CIRCUIT MASTER CYLINDER

AIR/HYDRAULIC CONVERTER

AIR/HYDRAULIC CONVERTER

HYDRAULIC BRAKE CYLINDER

SLAVE CYLINDER

BRAKE CYLINDER

SPRING CYLINDER

COMBINED BRAKE CYLINDER

FIXED DISC BRAKE CALLIPER