Specifications

57
pressure alarm switch inside it. Preventive maintenance should be done by authorized
serviceman. Failure to use will cause crack. Depressurization treatment should be
done when the truck parking or preventive maintenance.
The method to decrease the pressure: After the engine is flameout, press the
brake pedal for 5 to 8 times, then the pressure of reservoir in brake system can be
decreased.
Fig. 4.3 Brake valve
1.
Plug
5.
Recoil piston
9.
Oil seal
2.
One-way valve base
6.
Return spring
10.
Piston assy
3.
One-way valve pin
7.
Valve sleeve
4.
Piston guide base
8.
Spring group
Fig. 4.4 Energy reservoir