Observe the step-by-step operation and see practical examples of usage. This video provides a detailed walkthrough of diagnosing and resolving a specific fault in the Sany SY75C excavator's travel motor final drive. You will see the fault analysis process, from identifying abnormal lateral movement to the final solution involving the central joint. The demonstration includes practical checks on the main valve, foot valve, and motor, culminating in the repair procedure that eliminated the fault.