June 2026

When your hydraulic pump or plunger pump starts leaking oil, prompt and accurate action is crucial to ensure continuous equipment operation and prevent production losses. As a seasoned professional manufacturer in the industry, Guangdong Haozheng Hydraulic Equipment Co., Ltd. understands that efficient fault diagnosis and resolution capabilities are paramount. This article outlines a systematic quick-diagnosis […]

Hydraulic pumps, as the core power source of hydraulic systems, directly determine the operational efficiency and stability of the entire equipment. As a leading provider of hydraulic solutions, Guangdong Haozheng Hydraulic Equipment Co., Ltd., drawing on years of experience, has found that most hydraulic pump failures—including common issues with plunger pumps—emit a series of observable

In hydraulic system operations, the hydraulic pump serves as the core power component, and its proper functioning is critical to overall system stability. As technical experts in the hydraulic industry, Guangdong Haozheng Hydraulic Equipment Co., Ltd. has identified hydraulic pump oil return failure as one of the most frequently reported issues by customers. This article

As the core power source of hydraulic systems, the performance stability of hydraulic pumps directly impacts equipment operational efficiency. As hydraulic technology experts, Guangdong Haozheng Hydraulic Equipment Co., Ltd. emphasizes: when your hydraulic pump (especially precision plunger pumps) requires extended storage, professional maintenance is mandatory to prevent irreversible damage. Below is our standardized 20-year field-validated

Problem Description Users report frequent hydraulic fluid leakage at shaft seals and fittings during high-pressure operation (>250 bar), leading to downtime, fluid waste, and environmental contamination. A typical case includes a Reddit user stating: “CAT hydraulic pump leaks at the shaft seal after just 200 hours. Replaced seals twice—is this a design flaw?” Root Cause

In hydraulic system operations, the hydraulic pump serves as the core power component, where precise control of flow and pressure directly impacts system performance and equipment efficiency. As a professional manufacturer in hydraulic technology, Guangdong Haozheng Hydraulic Equipment Co., Ltd. presents this detailed guide to plunger pump adjustment techniques for optimal system control. Core Adjustment