Precautions after replacing the hydraulic pump

Keep an eye out for unusual findings

Abnormal sounds, vibrations, or abnormal signals of the monitoring system must have their reasons. When an abnormal phenomenon is found, immediately find the circuit diagram, follow the diagram to find out, and carefully observe whether the abnormal phenomenon is caused by a temporary error. Assess the need for parking. For example, pressure, load, temperature, time, start-up, and stop all contain the reasons that may cause abnormal phenomena. Usually, it should be analyzed and discussed item by item.

Do not apply load immediately after the hydraulic pump is started

After the hydraulic pump is started, it must be idling without load for some time (about 10 minutes to 30 minutes), especially when the temperature is very low, it must go through the warm-up process to make the hydraulic circuit circulate normally and add preload, and confirm the operation status.

Observe oil temperature changes

Pay attention to check the changes of the highest and lowest oil temperature, and find out the relationship between the oil temperature and the external ambient temperature, to know whether the capacity of the cooler and the capacity of the oil storage tank is compatible with the surrounding conditions and the conditions of use, and the troubleshooting of the cooling system is also possible. Traces to follow.

Pay attention to the noise of the hydraulic pump

The new hydraulic pump has less initial wear and is easily affected by air bubbles and dust. Poor lubrication at high temperatures or overloaded operating conditions will cause adverse consequences and cause abnormal effects on the hydraulic pump.

Pay attention to the display value of the check counter class

Observe the display value of the pressure gauge of the hydraulic circuit, the vibration status, and the stability of the pressure switch light signal at any time, to find out whether the hydraulic circuit is functioning properly as soon as possible.

Pay attention to observing the movement of the machine (for the modified pump)

Improper design of the hydraulic circuit or poor manufacturing of components are not easy to find in the initial use stage, so special attention should be paid to the action state that appears under various operating conditions.

Pay attention to the adjustment in each valve

Fully understand the use of the pressure control valve, flow control valve, and directional control valve, and pay special attention to the adjustment range and limit, otherwise, adjustment errors will not only damage the machine but also pose a threat to safety.

Check the status of the filter

The filter in the loop should be taken out and cleaned regularly, and the state of the filter screen and the dirt adsorbed on the net should be checked, and the quality, quantity, and size should be analyzed so that the degree of pollution in the loop can be observed, and even the source of the pollution can be inferred accordingly.

Regularly check for changes in hydraulic oil

Check and analyze the deterioration, discoloration, and pollution of hydraulic oil every one or two months to ensure the normal operation of the hydraulic transmission medium.

Pay attention to the leakage of the piping part

Whether the piping of the hydraulic device is good or not can be seen after running for some time, check whether there is oil leakage and whether the piping is loose.

Pay attention to the operating conditions within three months of the new machine running

During the operation period of the new machine, check the operating conditions, such as the maintenance of the machine parts, whether the screws are loose, whether the oil temperature rises abnormally, whether the hydraulic oil deteriorates quickly, and whether the conditions of use meet the regulations.

Searching for an odm hydraulic pump manufacturer, plz feel free to contact us.