Legend

1

Brake Operating Unit

A7/3y1

Left front separation valve

2

Brake pressure simulator

A7/3y2

Right front separation valve

3

Pressure reservoir

A7/3y3

Front axle balance valve

7

Left front media separator

A7/3y4

Rear axle balance valve

 

(dividing piston)

A7/3y6

Left front intake control valve

8

Right front media separators

A7/3y7

Left front outlet control valve

 

(dividing piston)

A7/3y8

Right front intake control valve

A7/3

Traction system hydraulic unit

A7/3y9

Right front outlet control valve

A7/3b1

Front axle pre-pressure sensor

A7/3y10

Left rear intake control valve

A7/3b2

Reservoir pressure sensor

A7/3y11

Left rear outlet control valve

A7/3b3

Left front pressure sensor

A7/3y12

Right rear intake control valve

A7/3b4

Right front pressure sensor

A7/3y13

Right rear outlet control valve

A7/3b5

Left rear pressure sensor

B37/1

SBC pedal value sensor

A7/3b6

Right rear pressure sensor

S9/1

Stop lamp switch (4-pin)

A7/3m1

High-pressure charge pump

 

 

29

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Image 29
Mercedes-Benz W211, R230 manual