Iveco Daily. Manual - part 314

32780

HYDRO-PNEUMATIC SYSTEM - BRAKES

3

D

AILY

Base - May 2004

GRAPHIC SYMBOLS FOR AIR/HYDRAULIC SYSTEM CIRCUIT DIAGRAMS
(MISCELLANEOUS AND GENERATORS)

DESCRIPTION

SYMBOL

HYDRAULIC FLOW

AIR FLOW

ELECTRICAL LINE

ABLE TO ROTATE

CROSSOVER OF CONNECTED LINES

PRESSURE TEST POINT

QUICK-RELEASE COUPLING

COCK

COCK WITH OUTLET

1

2

SILENCER

COMPRESSOR

0

2

ENERGY SAVING COMPRESSOR

0

2

4

VACUUM PUMP

3

2

HYDRAULIC PUMP

0

2

HYDRAULIC HAND PUMP

32783

32782

4

HYDRO-PNEUMATIC SYSTEM - BRAKES

D

AILY

Base - May 2004

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 CONDENSATION
DRAIN VALVE

CONTROLLED CONDENSATION
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

HYDRO-PNEUMATIC SYSTEM - BRAKES

5

D

AILY

Base - May 2004

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

NON-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

CONTROL VALVE

2

1