Hydraulic Troubleshooting
| Problem |
| Possible Cause |
| Possible Remedy |
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| Motor doesn’t work. |
| Electric source. | Correct wire connection. | |
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| Motor damage. |
| Replace motor. |
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| Oil pump doesn’t work. |
| Motor not functioning. |
| Correct wire connection. |
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| Pump damage. |
| Replace pump. |
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| Filter jam. |
| Clean the filter. |
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| Hydraulic oil is too thick. | Change hydraulic oil. | |
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| Hydraulic oil has bad quality. | Change hydraulic oil. | |
| Oil pump noise |
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| Pipe is leaking. | Tighten pipe connectors. | ||
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| Pump damage. |
| Change pump. |
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| Motor and pump |
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| misalignment. |
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| Working pressure is |
| Spillover valve and |
| Clean spillover and |
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| sequence valve jam. |
| sequence valves. | |
| abnormal. |
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| Pump damage. |
| Replace pump. |
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| Pressure maintain is |
| Sealing is broken. |
| Change sealing. |
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| Pipe is leaking. |
| Check and solve leak. | |
| abnormal. |
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| Single direction valve jam. |
| Clean the valve. |
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| Pressure is abnormal. |
| Clean spillover valve and |
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| sequence valve. | |
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| Work is abnormal. |
| Magnetic valve is abnormal. |
| If the valve jams, clean it; if it |
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| is broken, replace it. | ||
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| Electrical problem. |
| Check and change the |
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| broken electrical parts. | |
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| High oil temperature. |
| Sequence valve pressure is |
| Correctly set it to 30 bar. |
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| too high. |
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Troubleshooting | 58 of 73 |
