GF42.25-W-3129D | Pressure ratio valve, component description | 28.2.07 |
MODEL 374.6, 375.4, 940, 942, 943, 944, 950.5 /6, 952.5 /6, 953.6, 954.5
with CODE (BB8) Brake control (BS) with ASR
with CODE (ZX2) EPB II
MODEL 970, 972, 974, 975, 976
with CODE (BB1) Brake control (BS)
with CODE (ZX2) EPB II
MODEL 970, 972, 974, 975, 976
with CODE (BB8) Brake control (BS) with ASR
with CODE (ZX2) EPB II
W42.25-1220-11
Location
Shown on model 970
24.04 Pressure ratio valve
The pressure ratio valve (24.04) is located in the area above the rear axle on the inner side of the right longitudinal frame member.
Task
The pressure ratio valve (24.04) pneumatically reduces the redundant brake pressure in the ratio 2:1.
W42.25-1186-02
Design
24.04 Pressure ratio valve
DR Pressure regulator valve
SV Control valve
Pneumatic connections
1/4 Compressed air supply (redundant brake pressure)
2 Compressed air release (to drive-axle axle modulator)
3 Vent connection