What are the common brake system problems for refrigerated trucks?
1, the phenomenon of failure: step on the refrigerated car brake pedal, pedal does not rise, no resistance;
Determine the reason: check whether the brake fluid is missing; whether there is oil leakage in the brake cylinder, pipeline and joints; whether the main pump, pump parts are damaged;
2, the phenomenon of failure: the brake pedal stepped in the end, the brake effect is not good; continuous braking, the effect did not improve, and the pedal gradually increased;
Reason for judgment: The brake system is mixed with gas;
3, the phenomenon of failure: continuous brake pedal, pedal back to increase, the brake effect has improved;
Reason for judgment: The gap between the friction plate and the brake drum is too large;
4, the phenomenon of failure: continuous brakes, pedal position, and a sense of subsidence;
Reason for judgment: oil leakage;
5, the phenomenon of failure: the pedal position is very low; then step, the location can not be increased, feeling hard;
To determine the reason: the total pump is blocked;
6, the phenomenon of failure: pedal height is normal, not soft not sink, but the brake effect is not good;
To determine the reason: friction plate and brake drum clearance is too large or oily;
7, failure phenomenon: brake deviation;
To determine the reason: if the refrigerated truck skews to the left, it will not work properly for the right wheel, and vice versa;
8, failure phenomenon: refrigerated truck driving mileage, brake drum (disc) heating;
To determine the reason: check the master cylinder, brake cylinder or pipeline;
9, the phenomenon of failure: brake pedal free travel too small;
Judgment reason: need to adjust;
10. Failure phenomenon: The brake fluid picks up slowly;
Determine the reason: Loosen the bleeder screw and observe the brake shoe return. If the brake shoe returns, the tubing should be dredged; if the brake shoe does not return, the brake cylinder should be disassembled.
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