The hydraulic system presents operating equipment, walking, and reversing

2025-03-31

1. Poor adjustment of PC valve.

2. Poor LS valve assembly.

3. The PC valve assembly is damaged.

4. Malfunction of hydraulic components in the output circuit of the pressure reducing valve

5. Problem with plunger pump.

6. There is a problem with the servo piston of the plunger pump.

7. The main overflow valve is not adjusted correctly.

8. The unloading valve is not functioning properly.

9. The main overflow valve is damaged.

【 Solution 】 Based on the analysis of the problem, the following solutions are proposed:

1. Adjust or repair the PC valve

2. Check and repair LS valve

3. Maintenance of PC valve

4. Repair or replace the hydraulic components in the output circuit of the pressure reducing valve

5. Maintenance of plunger pump

6. Repair or replace the servo piston of the plunger pump

7. Adjust the main overflow valve again

8. Adjust or repair the unloading valve

9. Repair the main overflow valve

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