Below are the partial familiar malfunction of brake system and it's exclusion methods
| Phenomenon | Familiar malfunction | Exclusion methods |
|---|---|---|
| Insufficient braking force | Braking system oil leakage | Check the tightness of components, pipesand joints |
| Clearance adjuster does not properly installed | Adjust the clearance adjuster. | |
| Brake drum and friction plate in poor contact | Retest as required | |
| Impurities attached to friction plate | Repair or replace | |
| Overheating for the brake assy | Check if the gap is too small | |
| Produce abnormal sound while braking | Backplane is deformation or the bolt loosen | Repair or replace |
There’re impurities attached to brake shoes or the surface is hardening | Repair or replace | |
| Wheel roller bearing is loose | Repair or replace | |
| Uneven abrasion for the friction plate | Replace | |
| Uneven brake: | Dirty oil attached to the friction plate surface | Clean or replace the friction plate |
| Brake wheel cylinder is malfunction | Repair or replace | |
| Tire pressure is not appropriate | Adjusting | |
| Large brake stroke: | The clearance for the brake shoe is unadjusted | Adjust the regulator |
Brake system mixed air | Deflated | |
| Incorrect adjustment for the brake pedal | Retest as required |
