705-52-30390 Hydraulic Pump ASS'Y
For Komatsu WA400-3A-S, WA400-3-X, WA400-3-H Wheel Loaders
Product Overview / 产品概述
The 705-52-30390 Hydraulic Pump ASS'Y is a high-quality, precision-engineered gear pump designed specifically for Komatsu WA400-3A-S, WA400-3-X, and WA400-3-H wheel loaders. This critical component ensures the efficient operation of your heavy machinery's hydraulic system, providing reliable power for demanding tasks. Built to stringent quality standards, including ISO9001:2000, it delivers consistent performance and exceptional durability in the toughest working conditions.
705-52-30390液压泵总成是一款高品质、精密工程的齿轮泵，专为小松WA400-3A-S、WA400-3-X和WA400-3-H轮式装载机设计。作为重型机械液压系统运行的关键部件，它能为高强度作业提供可靠动力。该产品按照包括ISO9001:2000在内的严格质量标准制造，确保在最严苛的工作条件下也能提供稳定性能和卓越耐用性。
Product Parameters and Advantages / 产品参数与优势
| Parameter / 参数 | Value / 数值 | Product Advantage / 产品优势 |
|---|
| Part Number / 部件号 | 705-52-30390 | Original Equipment Manufacturer (OEM) compatible, ensuring perfect fit and function. / 原厂兼容，确保完美匹配与功能。 |
| Part Name / 部件名称 | Hydraulic Pump ASS'Y / Gear Pump / 液压泵总成 / 齿轮泵 | Robust gear pump design for consistent fluid displacement and pressure. / 坚固的齿轮泵设计，确保稳定的流体位移和压力。 |
| Applicable Equipment / 适用设备 | Komatsu WA400-3A-S, WA400-3-X, WA400-3-H Wheel Loaders / 小松WA400-3A-S, WA400-3-X, WA400-3-H轮式装载机 | Direct replacement, minimizing downtime and ensuring optimal machine performance. / 直接替换，最大限度地减少停机时间并确保最佳机器性能。 |
| Efficiency / 效率 | Typically 93% - 98% / 通常93% - 98% | High volumetric efficiency reduces energy loss and operating costs. / 高容积效率减少能量损失和运营成本。 |
| Quality Standard / 质量标准 | ISO9001:2000 Conformity / 符合ISO9001:2000 | Guaranteed quality and reliability through rigorous testing and manufacturing processes. / 通过严格的测试和制造工艺，确保质量和可靠性。 |
| Warranty / 保修 | 1 Year / 1年 | Provides peace of mind and protection for your investment. / 为您的投资提供保障和安心。 |
Application Scenarios and Case Analysis / 应用场景及案例分析
Komatsu WA400-3 series wheel loaders, equipped with the 705-52-30390 hydraulic pump, are versatile heavy machines crucial for a wide range of industries. The hydraulic pump is the heart of the loader's working system, powering functions like lifting, tilting, and steering.
配备705-52-30390液压泵的小松WA400-3系列轮式装载机是多功能重型机械，在各种行业中至关重要。液压泵是装载机工作系统的核心，为举升、倾斜和转向等功能提供动力。
Construction Sites (建筑工地): In large-scale construction, these loaders are indispensable for moving vast quantities of earth, sand, gravel, and demolition debris. The hydraulic pump ensures rapid and powerful bucket operations, significantly improving material handling efficiency and project timelines.
Mines and Quarries (矿山和采石场): WA400-3 loaders are used to load blasted rock and excavated minerals into dump trucks. The robust hydraulic system handles heavy loads and continuous operation, crucial for productivity in harsh mining environments.
Ports and Terminals (港口和码头): At busy ports, these loaders facilitate the loading and unloading of bulk cargo like coal, grain, and aggregates from ships to warehouses or other transport vehicles. The hydraulic pump’s responsiveness allows for precise maneuvers in confined spaces and high-volume throughput.
Landfills and Recycling Centers (垃圾填埋场和回收中心): Used for compacting waste and sorting recyclable materials, the loaders require reliable hydraulic power for continuous, arduous duty cycles. The 705-52-30390 pump ensures the consistent force needed for these demanding operations.
Farmlands and Ranches (农场和牧场): While less common for this specific model, larger farms might use them for moving large volumes of feed, manure, or other agricultural products, where the hydraulic system provides the necessary lifting and loading capabilities.
Case Example (案例): Consider a busy quarry where a Komatsu WA400-3H is responsible for loading crushed stone. The 705-52-30390 hydraulic pump’s high efficiency ensures that the loader's bucket lifts and dumps quickly and smoothly, minimizing cycle times. Its durable construction withstands the constant high pressures and abrasive conditions, preventing premature wear and maximizing uptime, which directly translates to higher output and profitability for the quarry operation.
案例分析：在一个繁忙的采石场，一台小松WA400-3H负责装载碎石。705-52-30390液压泵的高效率确保装载机铲斗快速平稳地举升和倾倒，从而最大限度地缩短作业周期。其坚固耐用的结构能够承受持续的高压和磨损条件，防止过早磨损并最大化正常运行时间，这直接转化为采石场更高的产量和盈利能力。
Related Products / 相关产品
In addition to the 705-52-30390 hydraulic pump, we offer a range of similar and compatible hydraulic components for various Komatsu heavy equipment models:
除了705-52-30390液压泵，我们还为各种小松重型设备型号提供一系列类似和兼容的液压部件：
705-22-40070 Hydraulic Pump: Compatible with Komatsu Wheel Loaders WA400, WA450, WA470, WA400-3A, WA400-3-X, WA420-3. / 兼容小松WA400, WA450, WA470, WA400-3A, WA400-3-X, WA420-3轮式装载机。
705-55-33080 Hydraulic Pump: For Komatsu Wheel Loader WA400-5, WA400-5L, WA380-5, WA380-5L. / 适用于小松WA400-5, WA400-5L, WA380-5, WA380-5L轮式装载机。
705-12-38211 Hydraulic Pump: Fits Komatsu Wheel Loader WA400-1, WA380-1, WA420-1. / 适用于小松WA400-1, WA380-1, WA420-1轮式装载机。
705-55-24130 Triple Pilot Pump: For Komatsu Wheel Loader WA300L-1, WA320-3. / 适用于小松WA300L-1, WA320-3轮式装载机。
708-1W-41522 / 708-1W-41570 Main Pump: For Komatsu Backhoe Loaders WB93, WB93R-5. / 适用于小松WB93, WB93R-5反铲装载机。
Installation and Maintenance: Common Problems and Solutions / 安装维护：常见问题及解决方案
Proper installation and routine maintenance are crucial for the longevity and optimal performance of your hydraulic pump. Here are common issues and their solutions:
正确的安装和日常维护对于液压泵的寿命和最佳性能至关重要。以下是常见问题及其解决方案：
Fluid Contamination (流体污染):
Problem: Dirt, water, or debris in the hydraulic fluid can cause premature wear, reduced efficiency, and system failure.
Solution: Regularly inspect fluid for clarity, perform routine fluid changes, and replace filters according to manufacturer recommendations. Ensure the system is sealed properly to prevent ingress of contaminants.
Leakage (泄漏):
Problem: Worn seals, damaged hoses, or loose fittings lead to fluid loss and pressure drop.
Solution: Inspect connections and components for leaks regularly. Promptly replace worn seals, tighten loose fittings, and repair or replace damaged hoses and components.
Unusual Noise or Vibration (异常噪音或振动):
Problem: Can indicate misalignment, worn bearings, cavitation (air in fluid), or damaged internal components.
Solution: Check for air leaks in the suction line, ensure proper fluid levels, and inspect for and replace worn bearings. Verify proper pump mounting and alignment.
Overheating (过热):
Problem: Excessive friction, improper lubrication, low fluid levels, or insufficient cooling can lead to overheating.
Solution: Use the correct type and viscosity of hydraulic fluid. Ensure proper fluid levels, lubricate moving parts, and inspect the cooling system for blockages or malfunctions.
Loss of Pressure or Reduced Flow (压力损失或流量减少):
Problem: Often caused by internal leaks, worn pump components, or clogged filters/lines.
Solution: Conduct a thorough system inspection to identify the source. Check and replace worn components, clean or replace clogged filters, and ensure all lines are free of obstructions.
