61
The wheel braking cylinder is abrasive change
There is air in the system
exhaust
Non-uniform of braking
There is greasy dirt or water between
brake drum and shoe plate
Clean or change
The brake clearance is not matched
Adjust or change
The tire pressure is uneven
Gasing
The fluid flowing of brake pipe is not
smoothy
check and change
The suspension element is rapping
check and adjust
The pedal travel is too long
Local fault of braking system
check and adjust
Lacking of braking fluid of liquid
storage pot
filling-up brake fluid
There is air in the braking system
exhaust