路面冷再生机液压系统的更换与保养是确保其正常运行和延长使用寿命的重要环节。以下是一些关于路面冷再生机液压系统更换与保养的常识：

　　The replacement and maintenance of the hydraulic system of the road surface cold recycling machine is an important part to ensure its normal operation and extend its service life. Here are some common knowledge about replacing and maintaining the hydraulic system of the road cold recycling machine:

　　一、液压系统更换步骤

　　1、 Hydraulic system replacement steps

　　更换时机：

　　Replacement timing:

　　设备运转结束后，在适当的温度下（50摄氏度以下）更换液压油为最佳时机。

　　The best time to replace hydraulic oil is at an appropriate temperature (below 50 degrees Celsius) after the equipment is running.

　　场地条件与器具准备：

　　Site conditions and equipment preparation:

　　场地条件：选择平整清洁的地面（水泥地面最好）。

　　Site conditions: Choose a flat and clean ground (preferably cement ground).

　　器具：准备三相电源、200L的油桶三个、滤油机一台（用于更换滤芯）、充足的液压油（建议使用HV46#及以上低温冷凝抗磨液压油）、滤芯一套、滤芯扳手1件。

　　Equipment: Prepare a three-phase power supply, three 200L oil drums, one oil filter (for replacing the filter element), sufficient hydraulic oil (recommended to use HV46 # and above low-temperature condensing anti-wear hydraulic oil), one set of filter elements, and one filter wrench.

　　更换步骤：

　　Replacement steps:

　　先将设备的液压油抽出。

　　First, extract the hydraulic oil from the equipment.

　　拆下全部液压油滤芯。

　　Remove all hydraulic oil filter elements.

　　将需要更换的钢管、胶管安装好。

　　Install the steel pipes and rubber hoses that need to be replaced.

　　将新液压油通过滤油机注入。

　　Inject new hydraulic oil through the oil filter.

　　观察新的油位是否达到标准油位，直到达标为止。

　　Observe whether the new oil level reaches the standard oil level until it meets the standard.

　　启动设备后，小负荷运转设备，使液压油均匀充满各部位液压件。

　　After starting the equipment, operate it under low load to evenly fill all hydraulic components with hydraulic oil.

　　二、液压系统保养常识

　　2、 Common knowledge of hydraulic system maintenance

　　液压油选择与更换：

　　Hydraulic oil selection and replacement:

　　路面冷再生机在施工过程中负荷较大、液压系统温度较高，因此建议使用HV46#及以上低温冷凝抗磨液压油。

　　The road surface cold recycling machine has a high load and hydraulic system temperature during construction, so it is recommended to use HV46 # and above low-temperature condensing anti-wear hydraulic oil.

　　根据工程机械设备对液压系统的要求，初次对液压系统和滤芯的保养为500小时，初次保养方案是将油品进行过滤，只更换滤芯；从第二次保养开始为1000小时，可根据油脂情况适当延长保养时间。若设备运转使用不足1000小时，但工作强度一般，可不更换全部液压油，但需放出样品检查颜色是否清亮、手感粘度是否合适，可采用过滤全部液压油后更换全部滤芯的方式进行保养。

　　According to the requirements of engineering machinery equipment for hydraulic systems, the initial maintenance of the hydraulic system and filter element is 500 hours. The initial maintenance plan is to filter the oil and only replace the filter element; Starting from the second maintenance, it takes 1000 hours, and the maintenance time can be extended appropriately according to the condition of the grease. If the equipment has been running for less than 1000 hours but the working intensity is average, it is not necessary to replace all hydraulic oil. However, it is necessary to release a sample to check whether the color is clear and whether the hand feel and viscosity are appropriate. The maintenance can be carried out by filtering all hydraulic oil and replacing all filter elements.

　　定期启动与检查：

　　Regular start-up and inspection:

　　定期启动机器并开启机器上的所有液压功能，让液压驱动元件定期工作，以防止相关的密封件因长时间的停放而损坏，以及油缸杆等金属元件锈蚀等故障。

　　Regularly start the machine and activate all hydraulic functions on it, allowing the hydraulic drive components to work regularly to prevent damage to related seals due to prolonged parking, as well as rusting of metal components such as oil cylinder rods.

　　在使用过程中，应经常检查液压油的油位、油质和油温，确保液压系统在正常状态下工作。

　　During use, the oil level, quality, and temperature of the hydraulic oil should be checked regularly to ensure that the hydraulic system is working properly.

　　清洁与防护：

　　Cleaning and protection:

　　保持液压系统清洁，防止污染物进入油箱和液压管路。

　　Keep the hydraulic system clean to prevent contaminants from entering the oil tank and hydraulic pipelines.

　　尽可能地将所有的油缸杆缩到液压油缸油腔内，以更好地保护油缸杆的表面。

　　As much as possible, retract all cylinder rods into the hydraulic cylinder oil chamber to better protect the surface of the cylinder rods.

　　专业维修与保养：

　　Professional maintenance and upkeep:

　　液压系统的维修和保养应由专业人员进行，以确保操作正确、安全。

　　The maintenance and upkeep of hydraulic systems should be carried out by professionals to ensure correct and safe operation.

　　在维修和保养过程中，应严格遵守相关操作规程和安全规定。

　　During the repair and maintenance process, relevant operating procedures and safety regulations should be strictly followed.

　　综上所述，路面冷再生机液压系统的更换与保养需要遵循一定的步骤和常识，以确保其正常运行和延长使用寿命。在更换液压油时，应注意选择合适的液压油、掌握更换时机和步骤；在保养过程中，应定期检查液压油、保持系统清洁、定期启动机器并检查液压功能等。同时，液压系统的维修和保养应由专业人员进行，以确保操作正确、安全。

　　In summary, the replacement and maintenance of the hydraulic system of the road cold recycling machine need to follow certain steps and common sense to ensure its normal operation and extend its service life. When replacing hydraulic oil, attention should be paid to selecting the appropriate hydraulic oil, mastering the timing and steps of replacement; During the maintenance process, it is necessary to regularly check the hydraulic oil, keep the system clean, start the machine regularly, and check the hydraulic function. Meanwhile, the maintenance and upkeep of the hydraulic system should be carried out by professionals to ensure correct and safe operation.

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