Excavator Charge Pump K3V112 Gear Pump ZX10LGRZ2-07D 2902440-1852D YN10V00014F2 YN10V00014F3
挖掘机充压泵 K3V112 齿轮泵 ZX10LGRZ2-07D 2902440-1852D YN10V00014F2 YN10V00014F3
Product Overview / 产品概述
Our "Excavator Charge Pump K3V112 Gear Pump" is a high-quality, precision-engineered hydraulic component designed to deliver reliable performance for a wide range of excavators. This pump, with part numbers "ZX10LGRZ2-07D, 2902440-1852D, YN10V00014F2, and YN10V00014F3", ensures optimal operation of your machinery's hydraulic system by maintaining consistent charge pressure. It is crucial for the efficient functioning and longevity of the main hydraulic pump.
我们的"挖掘机充压泵 K3V112 齿轮泵"是一款高品质、精密设计的液压元件，旨在为各种挖掘机提供可靠的性能。这款泵，部件号为"ZX10LGRZ2-07D、2902440-1852D、YN10V00014F2 和 YN10V00014F3"，通过保持稳定的充压，确保机械液压系统的最佳运行。它对主液压泵的高效运行和使用寿命至关重要。
Product Parameters / 产品参数
Model / 型号: K3V112 Gear Pump / K3V112 齿轮泵
Part Numbers / 部件号: ZX10LGRZ2-07D, 2902440-1852D, YN10V00014F2, YN10V00014F3
Type / 类型: Charge Pump / 充压泵
Material / 材料: High-grade alloy steel / 高级合金钢
Pressure Rating / 额定压力: Optimized for K3V112 series main pumps / 针对 K3V112 系列主泵优化
Compatibility / 兼容性: Designed for specific excavator models (see applicable equipment below) / 专为特定挖掘机型号设计（参见下方适用设备）
Product Advantages & Selling Points / 产品优势与卖点
Enhanced Durability / 增强耐用性: Constructed from premium-grade materials, offering superior wear resistance and extended service life in demanding operational conditions.
采用优质材料制造，在严苛的运行条件下提供卓越的耐磨性和更长的使用寿命。
Optimal Performance / 最佳性能: Ensures stable and consistent charge pressure, which is critical for the efficiency and responsiveness of the main hydraulic pump.
确保稳定一致的充压，这对主液压泵的效率和响应能力至关重要。
Precision Engineering / 精密工程: Manufactured to strict OEM specifications, guaranteeing a perfect fit and seamless integration with your excavator's hydraulic system.
按照严格的 OEM 规范制造，确保与您的挖掘机液压系统完美匹配和无缝集成。
Cost-Effective / 经济高效: Reduces the risk of premature main pump failure, leading to significant savings on maintenance and replacement costs over time.
降低主泵过早失效的风险，从而长期节省大量维护和更换成本。
Applicable Equipment / 适用设备
This charge pump is primarily designed for excavators utilizing the "K3V112 series main hydraulic pumps". Specific models include, but are not limited to:
此充压泵主要设计用于使用 "K3V112 系列主液压泵"的挖掘机。具体型号包括但不限于：
Kobelco SK200-8, SK210-8, SK250-8 Series Excavators
Komatsu PC200-8, PC220-8, PC240-8 Series Excavators
Caterpillar 320D, 323D Series Excavators (with K3V112 pumps)
Hyundai R210LC-7, R210LC-9 Series Excavators
Sumitomo SH200-5, SH210-5 Series Excavators
...and other compatible excavators using the K3V112 hydraulic system.
Application Scenarios & Case Studies / 应用场景与案例分析
The "charge pump" is a critical component in an excavator's hydraulic system, responsible for supplying oil to the main hydraulic pump's inlet at a consistent pressure. This prevents cavitation and ensures the main pump operates efficiently, especially under heavy loads.
"充压泵"是挖掘机液压系统中的关键部件，负责以恒定压力向主液压泵的入口供油。这可以防止气蚀，并确保主泵高效运行，尤其是在重载下。
Construction Sites / 建筑工地:
"Scenario:" Excavators are constantly digging, lifting, and moving heavy materials. The hydraulic system is under immense pressure.
"Case Study:" A construction company experienced sluggish hydraulic response and overheating in their Kobelco SK210-8. Diagnosis revealed a failing charge pump. Replacing it with our K3V112 gear pump immediately restored full hydraulic power and efficiency, preventing further damage to the main pump and significantly reducing downtime.
"场景:" 挖掘机在建筑工地持续进行挖掘、提升和移动重物，液压系统承受巨大压力。
"案例分析:" 某建筑公司的一台小松 SK210-8 挖掘机出现液压响应迟缓和过热问题。诊断发现是充压泵故障。更换我们的 K3V112 齿轮泵后，立即恢复了完整的液压动力和效率，防止了主泵的进一步损坏，并显著减少了停机时间。
Mining Operations / 采矿作业:
"Scenario:" Excavators in mines operate continuously in harsh, dusty environments, often handling extremely heavy rock and ore.
"Case Study:" A large mining excavator (Komatsu PC400, equipped with a K3V112 variant) showed signs of reduced digging force. Inspection revealed the charge pump was not maintaining adequate pressure, leading to the main pump struggling. Our durable charge pump provided the consistent flow and pressure needed, ensuring continuous, high-performance operation in the demanding mining environment.
"场景:" 矿山中的挖掘机在恶劣、多尘的环境中连续运行，通常处理极其沉重的岩石和矿石。
"案例分析:" 一台大型采矿挖掘机（小松 PC400，配备 K3V112 变体）显示出挖掘力减弱的迹象。检查发现充压泵未能保持足够的压力，导致主泵工作困难。我们耐用的充压泵提供了所需的一致流量和压力，确保在严苛的采矿环境中持续、高性能的运行。
Related Products / 相关产品
In addition to the K3V112 series charge pump, we offer a comprehensive range of hydraulic components for excavators:
除了 K3V112 系列充压泵，我们还提供各种挖掘机液压元件：
Main Hydraulic Pumps (K3V Series, HPV Series): Essential for powering all hydraulic functions of the excavator.
主液压泵 (K3V 系列, HPV 系列): 挖掘机所有液压功能的核心动力源。
Applicable Equipment: Most medium to large excavators (Komatsu, Kobelco, Caterpillar, Hyundai, Volvo, Doosan, Hitachi, etc.).
Swing Motors & Travel Motors: Drive the rotation of the upper structure and the movement of the tracks.
回转马达与行走马达: 驱动上部结构的旋转和履带的移动。
Hydraulic Cylinders (Boom, Arm, Bucket): Provide the linear motion for digging and lifting.
液压油缸 (动臂、斗杆、铲斗): 提供挖掘和提升的线性运动。
Control Valves: Regulate the flow and pressure of hydraulic fluid to various components.
控制阀: 调节液压油流向和压力到各个部件。
Installation & Maintenance Common Issues and Solutions / 安装与维护常见问题及解决方案
Common Issues / 常见问题:
Reduced Hydraulic System Pressure / 液压系统压力降低: Often a primary symptom of a failing charge pump.
通常是充压泵故障的主要症状。
Slow or Weak Hydraulic Functions / 液压功能迟缓或无力: Direct impact on digging force and overall machine responsiveness.
直接影响挖掘力和机器整体响应能力。
Overheating Hydraulic Oil / 液压油过热: A struggling charge pump can contribute to increased heat generation in the hydraulic system.
充压泵工作不力会导致液压系统产生更多热量。
Unusual Noise from Pump Area / 泵区域异响: Whining or grinding noises can indicate internal wear or cavitation.
尖锐或研磨的声音可能表明内部磨损或气蚀。
Oil Leaks / 漏油: Seals or housing cracks can lead to external leaks.
密封件或壳体裂纹可能导致外部泄漏。
Solutions & Best Practices / 解决方案与最佳实践:
Regular Hydraulic Oil & Filter Replacement / 定期更换液压油和滤芯:
"Solution:" Adhere strictly to manufacturer's recommended intervals for changing hydraulic oil and filters. Contaminated oil is a leading cause of pump wear.
"解决方案:" 严格遵守制造商建议的液压油和滤芯更换周期。受污染的油是泵磨损的主要原因。
Proper Bleeding of Air from System / 正确排出系统中的空气:
"Solution:" After any hydraulic component replacement, especially a pump, ensure all air is thoroughly bled from the system to prevent cavitation damage.
"解决方案:" 更换任何液压元件，特别是泵后，务必彻底排出系统中的所有空气，以防止气蚀损坏。
Visual Inspection & Leak Checks / 目视检查与泄漏检查:
"Solution:" Regularly inspect the pump and hose connections for any signs of leaks or damage. Address small leaks promptly to prevent larger issues.
"解决方案:" 定期检查泵和软管连接处是否有任何泄漏或损坏迹象。及时处理小泄漏以防止出现更大的问题。
Professional Installation & Calibration / 专业安装与校准:
"Solution:" Always have new pumps installed and calibrated by qualified technicians to ensure correct alignment and pressure settings.
"解决方案:" 始终由合格的技术人员安装和校准新泵，以确保正确的对齐和压力设置。
Use Genuine or High-Quality Aftermarket Parts / 使用原厂或优质副厂零件:
"Solution:" Using inferior parts can lead to premature failure and damage to other expensive components. Our charge pumps are designed to meet or exceed OEM standards.
"解决方案:" 使用劣质零件可能导致过早失效并损坏其他昂贵部件。我们的充压泵设计旨在达到或超过 OEM 标准。
