Brake-29
The action of load-sensing proportional valve is to prevent the rear wheel is braked before the front wheel is braked by adjusting the
distribution of front and rear brake force according to the difference of vehicle rear shaft load, then avoid the risk of vehicle rotation.
The adjustment of proportional valve is shown as follows:
a. The rear shaft load can be 820Kg after adjustment (including driver).
b. Install the brake pressure measuring meter and drain the air.
c. Increase the front brake pressure to 12Mpa, the rear brake pressure should be within 8
9 Mpa.
d. If necessary, adjust the hydraulic pressure.
1. Move the sensing spring bracket on the rear axle, the right hook of sensing spring moves to right; the rear brake
pressure is increased .
2. Vice versa, the rear brake pressure decreases, the adjustment scope of the frame is 20mm.
3. The extension amount of spring of load sensing proportional valve is controlled within 84
95mm.
Adjustment load-sensing proportional valve
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